RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x SERIES
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR
NO.EA-150-161026
OUTLINE
The RP104x Series are CMOS-based voltage regulator ICs with high output voltage accuracy, extremely low
supply current and low ON-resistance. Each of these ICs consists of a voltage reference unit, an error amplifier,
resistor-net for voltage setting, a current limit circuit and a chip enable circuit.
These ICs perform with ultra low supply current (Typ.1.0µA), which prolong the battery life.
Since the packages for these ICs are DFN(PLP)1010-4, SOT-23-5 and SC-82AB, therefore high density
mounting of the ICs on boards is possible.
FEATURES
Supply Current .............................................................Typ. 1.0A
(Except the current through CE pull down circuit)
Standby Current ...........................................................Typ. 0.1A
Dropout Voltage............................................................Typ. 0.24V (IOUT150mA, VOUT2.8V)
Temperature-Drift Coefficient of Output Voltage ..........Typ. 40ppm/C
Line Regulation ............................................................Typ. 0.02%/V
Output Voltage Accuracy..............................................0.8%
Packages......................................................................DFN(PLP)1010-4, SC-82AB, SOT-23-5
Input Voltage Range.....................................................1.7V to 5.25V
Output Voltage Range...................................... ...........1.2V to 3.3V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
Built-in Fold Back Protection Circuit.............................Typ. 40mA (Current at short mode)
Ceramic capacitors are recommended to be used with this IC .... 0.1F or more
APPLICATIONS
Power source for portable communication equipment.
Power source for electrical appliances such as cameras, VCRs and camcorders.
Power source for battery-powered equipment.
1


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
BLOCK DIAGRAMS
RP104xxx1B
VDD
RP104Q (SC-82AB) is the discontinued product as of October 2016
VOUT
VDD
RP104xxx1C
VOUT
Vref
Current Limit
CE
RP104xxx1D
VDD
GND NC
Vref
Current Limit
VOUT
GND
Vref
Current Limit
CE
GND
2


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
SELECTION GUIDE
The output voltage, chip enable circuit, auto discharge function, package, and the taping type, etc. for the ICs
can be selected at the user’s request.
Product Name
RP104Kxx1-TR
RP104Qxx1-TR-FE
RP104Nxx1-TR-FE
Package
DFN(PLP)1010-4
SC-82AB
SOT-23-5
Quantity per Reel
10,000 pcs
3,000 pcs
3,000 pcs
xx Setting Output Voltage (VOUT):
1.2V, 1.3V, 1.5V, 1.7V, 1.8V, 1.85V, 1.9V,
2.0V, 2.1V, 2.2V, 2.3V, 2.4V, 2.5V, 2.6V, 2.7V, 2.8V, 2.85V, 2.9V,
3.0V, 3.1V, 3.2V, 3.3V
Exception: 1.85V=RP104x181x5
2.85V=RP104x281x5
Pb Free
Yes
Yes
Yes
: CE pin polarity and auto discharge function at off state are options as follows.
(B) "H" active, without auto discharge function at off state
(C) without chip enable circuit, and without auto discharge function at off state
(D) "H" active, with auto discharge function at off state
Halogen Free
Yes
Yes
Yes
3


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
PIN CONFIGURATIONS
DFN(PLP)1010-4
Top View
43
Bottom View
34
SC-82AB
43
(mark side)
SOT-23-5
54
(mark side)
12
21
12
123
PIN DESCRIPTIONS
DFN(PLP)1010-4
Pin No
Symbol
Pin Description
1
VOUT
Output Pin
2
GND
Ground Pin
3
CE / NC
Chip Enable Pin ("H" Active) or No Connection
4 VDD Input Pin
) Tab is GND level. (They are connected to the reverse side of this IC.)
The tab is better to be connected to the GND, but leaving it open is also acceptable.
SC-82AB
Pin No
1
2
3
4
Symbol
CE / NC
GND
VOUT
VDD
Pin Description
Chip Enable Pin ("H" Active) or No Connection
Ground Pin
Output Pin
Input Pin
SOT-23-5
Pin No
1
2
3
4
5
Symbol
VDD
GND
CE / NC
NC
VOUT
Pin Description
Input Pin
Ground Pin
Chip Enable Pin ("H" Active) or No Connection
No Connection
Output Pin
4


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
ABSOLUTE MAXIMUM RATINGS
Symbol
VIN
VCE
VOUT
IOUT
PD
Topt
Tstg
Item
Input Voltage
Input Voltage (CE Pin)
Output Voltage
Output Current
Power Dissipation (DFN(PLP)1010-4)
Power Dissipation (SC-82AB)
Power Dissipation (SOT-23-5)
Operating Temperature Range
Storage Temperature Range
) For Power Dissipation, please refer to PACKAGE INFORMATION.
Rating
6.0
6.0
0.3 to VIN0.3
200
400
380
420
40 to 85
55 to 125
Unit
V
V
V
mA
mW
C
C
ABSOLUTE MAXIMUM RATINGS
Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the
permanent damages and may degrade the life time and safety for both device and system using the device
in the field.
The functional operation at or over these absolute maximum ratings is not assured.
5


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
ELECTRICAL CHARACTERISTICS
RP104xxx1B/C/D
VINSet VOUT1V for VOUT options greater than 1.5V. VIN2.5V for VOUT 1.5V.
IOUT1mA, CINCOUT0.1F, unless otherwise noted.
The specifications surrounded by
are guaranteed by Design Engineering at 40°C Topt 85°C.
Topt25C
Symbol
Item
Conditions
Min. Typ. Max. Unit
VOUT
Output Voltage
Topt25C
40C Topt 85C
VOUT > 2.0V
VOUT 2.0V
VOUT > 2.0V
VOUT 2.0V
0.992
16
0.985
30
1.008
16
1.015
30
V
mV
V
mV
IOUT Output Current
150 mA
VOUT/IOUT Load Regulation
1mA IOUT 150mA
10 20 mV
1.2V VOUT < 1.5V
0.76 1.05
1.5V VOUT < 1.7V
0.53 0.80
VDIF Dropout Voltage
1.7V VOUT < 2.0V
IOUT150mA
2.0V VOUT < 2.5V
0.44 0.65
0.34 0.50
V
2.5V VOUT < 2.8V
0.28 0.40
2.8V VOUT 3.3V
0.24 0.32
ISS Supply Current
IOUT0mA
1.0 1.5 A
Istandby Standby Current
VCE0V
0.1 1.0 A
VOUT/VIN Line Regulation
Set VOUT0.5V VIN 5.0V
0.02 0.10 %/V
VIN Input Voltage
1.7 5.25 V
VOUT/
Topt
Output Voltage
Temperature Coefficient
40C Topt 85C
40
ppm
/C
ISC Short Current Limit
VOUT0V
40 mA
IPD CE Pull-down Current
0.3 A
VCEH
CE Input Voltage "H"
1.5 V
VCEL
CE Input Voltage "L"
0.3 V
RLOW
Low Output Nch Tr. ON VIN4.0V
Resistance (of D version) VCE0V
30 
All of units are tested and specified under load conditions such that TjTopt25C except for Output Voltage
Temperature Coefficient.
) When Input Voltage is 5.5V, the total operational time must be within 500hrs.
RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS)
All of electronic equipment should be designed that the mounted semiconductor devices operate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the
recommended operating conditions, even if when they are used over such conditions by momentary
electronic noise or surge. And the semiconductor devices may receive serious damage when they continue
to operate over the recommended operating conditions.
6


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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TYPICAL APPLICATION
RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
VDD
VOUT
C1
RP104x
Series
CE Control
CE GND
VOUT
C2
(External Components)
C2 0.1F MURATA: GRM155B31C104KA87B
TECHNICAL NOTES
When using these ICs, consider the following points:
Phase Compensation
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
this purpose, use a capacitor C2 with good frequency characteristics and ESR (Equivalent Series Resistance).
(Note: If additional ceramic capacitors are connected with parallel to the output pin with an output capacitor for
phase compensation, the operation might be unstable. Because of this, test these ICs with as same external
components as ones to be used on the PCB.)
PCB Layout
Make VDD and GND lines sufficient. If their impedance is high, noise pickup or unstable operation may result.
Connect a capacitor C1 with a capacitance value as much as 0.1F or more between VDD and GND pin, and as
close as possible to the pins.
Set external components, especially the output capacitor C2, as close as possible to the ICs, and make wiring
as short as possible.
7


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
PACKAGE INFORMATION
Power Dissipation (DFN(PLP)1010-4)
Power Dissipation (PD) depends on conditions of mounting on board. This specification is based on the
measurement at the condition below:
Measurement Conditions
Environment
Board Material
Board Dimensions
Copper Ratio
Through-holes
Standard Land Pattern
Mounting on Board (Wind Velocity=0m/s)
Glass Cloth Epoxy Plastic (Double-sided)
40mm x 40mm x 1.6mm
Topside: Approx. 50%, Backside: Approx. 50%
0.54mm x 24pcs
Measurement Result
Power Dissipation
Thermal Resistance
600
500
500
Standard Land Pattern
400mW (Tjmax=125C)
500mW (Tjmax=150C)
ja = (125-25C)/0.4W= 250C/W
jc = 67C/W
40
(Ta=25C)
400 400
300
200
100
0
0 25 50 75 85 100 125 150
Ambient Temperature (°C)
Power Dissipation
Measurement Board Pattern
IC Mount Area (Unit:mm)
The above graph shows the Power Dissipation of the package based on Tjmax=125C and Tjmax=150C.
Operating the IC in the shaded area in the graph might have an influence it's lifetime.
Operating time must be within the time limit described in the table below, in case of operating in the shaded
area.
Operating Time
13,000 hours
Estimated years
(Operating 4 hours/day)
9 years
8


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
Package Dimensions (DFN(PLP)1010-4)
A
X4
0.05
1.00
B
0.65
3
*
0.4 8
0.05
4
45°
INDEX
S
0.05 S
3-C0.18
2
1 0.48
0.05
0.250.05
0.05 M S AB
Bottom View
(Unit : mm)
* Tab is GND level. (They are connected to the
*rev) eTrasbeissidGeNoDf tlheivseIlC. (.)They are connected to the
Threevtearbseissbideetteofr ttohisbeICc.o)nnected to the GND,
butTlheaevtianbgisit bopetetneristoablseocaocncneepctatebdlet.o the GND,
but leaving it open is als o acc eptable.
Mark Specification (DFN(PLP)1010-4)
: Product Code … Refer to RP104Kxx1x Series Mark Specification Table
: Lot No. … Alphanumeric Serial Number
①②
③④
9


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150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104Kxx1x Series Mark Specification Table (DFN(PLP)1010-4)
RP104Kxx1B
Product Name
RP104K121B
RP104K131B
RP104K151B
RP104K181B
RP104K191B
RP104K201B
RP104K211B
RP104K221B
RP104K231B
RP104K241B
RP104K251B
RP104K261B
RP104K271B
RP104K281B
RP104K291B
RP104K301B
RP104K311B
RP104K321B
RP104K331B
RP104K181B5
RP104K281B5
RP104K171B

AA
AB
AC
AD
AF
AG
AX
AU
AV
AT
AH
AJ
AK
AL
AN
AP
AS
AQ
AR
AE
AM
AY
VSET
1.2V
1.3V
1.5V
1.8V
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
1.85V
2.85V
1.7V
RP104Kxx1C
Product Name
RP104K121C
RP104K131C
RP104K151C
RP104K181C
RP104K191C
RP104K201C
RP104K211C
RP104K221C
RP104K231C
RP104K241C
RP104K251C
RP104K261C
RP104K271C
RP104K281C
RP104K291C
RP104K301C
RP104K311C
RP104K321C
RP104K331C
RP104K181C5
RP104K281C5
RP104K171C

BA
BB
BC
BD
BF
BG
BX
BU
BV
BT
BH
BJ
BK
BL
BN
BP
BS
BQ
BR
BE
BM
BY
VSET
1.2V
1.3V
1.5V
1.8V
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
1.85V
2.85V
1.7V
RP104Kxx1D
Product Name
RP104K121D
RP104K131D
RP104K151D
RP104K181D
RP104K191D
RP104K201D
RP104K211D
RP104K221D
RP104K231D
RP104K241D
RP104K251D
RP104K261D
RP104K271D
RP104K281D
RP104K291D
RP104K301D
RP104K311D
RP104K321D
RP104K331D
RP104K181D5
RP104K281D5
RP104K171D

CA
CB
CC
CD
CF
CG
CX
CU
CV
CT
CH
CJ
CK
CL
CN
CP
CS
CQ
CR
CE
CM
CY
VSET
1.2V
1.3V
1.5V
1.8V
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
1.85V
2.85V
1.7V
10


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
Power Dissipation (SC-82AB)
Power Dissipation (PD) depends on conditions of mounting on board. This specification is based on the
measurement at the condition below:
Measurement Conditions
Environment
Board Material
Board Dimensions
Copper Ratio
Through-hole
Standard Land Pattern
Mounting on Board (Wind Velocity=0m/s)
Glass Cloth Epoxy Plastic (Double-sided)
40mm 40mm 1.6mm
Topside: Approx. 50%, Backside: Approx. 50%
0.5mm 44pcs
Measurement Result
Power Dissipation
Thermal Resistance
Standard Land Pattern
380mW (Tjmax=125ºC)
475mW (Tjmax=150ºC)
ja=(125-25C)/0.38W=263C/W
(Ta=25C)
Free Air
150mW (Tjmax=125ºC)
667C/W
600
475
500
On Board
400
380
300
Free Air
200
100 150
0
0 25 50 75 85 100 125
Ambient Temperature (ºC)
150
Power Dissipation
40
Measurement Board Pattern
IC Mount Area (Unit : mm)
The above graph shows the Power Dissipation of the package based on Tjmax=125C and Tjmax=150C.
Operating the IC in the shaded area in the graph might have an influence it's lifetime.
Operating time must be within the time limit described in the table below, in case of operating in the shaded
area.
Operating Time
9,000 hours
Estimated years
(Operating 4 hours/day)
6 years
11


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
Package Dimensions (SC-82AB)
0.3±0.1
2±0.2
1.3±0.2
4
0.3±0.1
3
+0.05
1.0-0.2
0.9±0.1
(0.7)
0.3±0.1
1
2
0.4±0.1
0.05
0 to 0.1
+0.1
0.16-0.06
Unit : mm
Mark Specification (SC-82AB)
: Product Code … Refer to RP104Qxx1x Series Mark Specification Table
: Lot No. … Alphanumeric Serial Number
43
12
12


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150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
RP104Qxx1xSeries Mark Specification Table (SC-82AB)
RP104Qxx1B
Product Name
RP104Q121B
RP104Q131B
RP104Q151B
RP104Q181B
RP104Q191B
RP104Q201B
RP104Q211B
RP104Q221B
RP104Q231B
RP104Q241B
RP104Q251B
RP104Q261B
RP104Q271B
RP104Q281B
RP104Q291B
RP104Q301B
RP104Q311B
RP104Q321B
RP104Q331B
RP104Q181B5
RP104Q281B5

L0
L1
L2
L3
L5
L6
T1
M8
M9
M7
L7
L8
L9
M0
M2
M3
M6
M4
M5
L4
M1
VSET
1.2V
1.3V
1.5V
1.8V
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
1.85V
2.85V
RP104Qxx1C
Product Name
RP104Q121C
RP104Q131C
RP104Q151C
RP104Q181C
RP104Q191C
RP104Q201C
RP104Q211C
RP104Q221C
RP104Q231C
RP104Q241C
RP104Q251C
RP104Q261C
RP104Q271C
RP104Q281C
RP104Q291C
RP104Q301C
RP104Q311C
RP104Q321C
RP104Q331C
RP104Q181C5
RP104Q281C5

N0
N1
N2
N3
N5
N6
U1
P8
P9
P7
N7
N8
N9
P0
P2
P3
P6
P4
P5
N4
P1
VSET
1.2V
1.3V
1.5V
1.8V
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
1.85V
2.85V
RP104Qxx1D
Product Name
RP104Q121D
RP104Q131D
RP104Q151D
RP104Q181D
RP104Q191D
RP104Q201D
RP104Q211D
RP104Q221D
RP104Q231D
RP104Q241D
RP104Q251D
RP104Q261D
RP104Q271D
RP104Q281D
RP104Q291D
RP104Q301D
RP104Q311D
RP104Q321D
RP104Q331D
RP104Q181D5
RP104Q281D5

R0
R1
R2
R3
R5
R6
V1
S8
S9
S7
R7
R8
R9
S0
S2
S3
S6
S4
S5
R4
S1
VSET
1.2V
1.3V
1.5V
1.8V
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
1.85V
2.85V
13


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150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
Power Dissipation (SOT-23-5)
RP104Q (SC-82AB) is the discontinued product as of October 2016
Power Dissipation (PD) depends on conditions of mounting on board. This specification is based on the
measurement at the condition below. (Power Dissipation (SOT-23-5) is substitution of SOT-23-6.)
Measurement Conditions
Environment
Board Material
Board Dimensions
Copper Ratio
Through-holes
Standard Land Pattern
Mounting on Board (Wind Velocity=0m/s)
Glass Cloth Epoxy Plastic (Double-sided)
40mm x 40mm x 1.6mm
Topside: Approx. 50%, Backside: Approx. 50%
0.5mm x 44pcs
Measurement Result
Power Dissipation
Thermal Resistance
Standard Land Pattern
420mW (Tjmax=125C)
525mW (Tjmax=150C)
ja = (125-25C)/0.42W= 238C/W
(Ta=25C)
Free Air
250mW (Tjmax=125C)
400C/W
600 525
500
On Board
400 420
300 250
Free Air
200
100
0
0
25 50 75 85 100 125
Ambient Temperature (°C)
150
Power Dissipation
Measurement Board Pattern
IC Mount Area (Unit: mm)
The above graph shows the Power Dissipation of the package based on Tjmax=125C and Tjmax=150C.
Operating the IC in the shaded area in the graph might have an influence it's lifetime.
Operating time must be within the time limit described in the table below, in case of operating in the shaded
area.
Operating Time
9,000 hours
Estimated years
(Operating 4 hours/day)
6 years
14


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150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
Package Dimensions (SOT-23-5)
2.9±0.2
1.9±0.2
(0.95) (0.95)
1.1±0.1
0.8±0.1
54
00.1
1 23
0.4±0.1
+0.1
0.15-0.05
Unit : mm
Mark Specification (SOT-23-5)
: Product Code ... Refer to RP104Nxx1x Series Mark Specification Table
: Lot No. … Alphanumeric Serial Number
54

123
15


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104Nxx1x Series Mark Specification Table (SOT-23-5)
RP104Nxx1B
Product Name
RP104N121B
RP104N131B
RP104N151B
RP104N181B
RP104N191B
RP104N201B
RP104N211B
RP104N221B
RP104N231B
RP104N241B
RP104N251B
RP104N261B
RP104N271B
RP104N281B
RP104N291B
RP104N301B
RP104N311B
RP104N321B
RP104N331B
RP104N181B5
RP104N281B5
RP104N171B

90A
90B
90C
90D
90F
90G
90X
90U
90V
90T
90H
90J
90K
90L
90N
90P
90S
90Q
90R
90E
90M
90Y
VSET
1.2V
1.3V
1.5V
1.8V
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
1.85V
2.85V
1.7V
RP104Nxx1C
Product Name
RP104N121C
RP104N131C
RP104N151C
RP104N181C
RP104N191C
RP104N201C
RP104N211C
RP104N221C
RP104N231C
RP104N241C
RP104N251C
RP104N261C
RP104N271C
RP104N281C
RP104N291C
RP104N301C
RP104N311C
RP104N321C
RP104N331C
RP104N181C5
RP104N281C5
RP104N171C

91A
91B
91C
91D
91F
91G
91X
91U
91V
91T
91H
91J
91K
91L
91N
91P
91S
91Q
91R
91E
91M
91Y
VSET
1.2V
1.3V
1.5V
1.8V
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
1.85V
2.85V
1.7V
RP104Nxx1D
Product Name
RP104N121D
RP104N131D
RP104N151D
RP104N181D
RP104N191D
RP104N201D
RP104N211D
RP104N221D
RP104N231D
RP104N241D
RP104N251D
RP104N261D
RP104N271D
RP104N281D
RP104N291D
RP104N301D
RP104N311D
RP104N321D
RP104N331D
RP104N181D5
RP104N281D5
RP104N171D

92A
92B
92C
92D
92F
92G
92X
92U
92V
92T
92H
92J
92K
92L
92N
92P
92S
92Q
92R
92E
92M
92Y
VSET
1.2V
1.3V
1.5V
1.8V
1.9V
2.0V
2.1V
2.2V
2.3V
2.4V
2.5V
2.6V
2.7V
2.8V
2.9V
3.0V
3.1V
3.2V
3.3V
1.85V
2.85V
1.7V
16


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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TEST CIRCUITS
RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
VDD
VOUT
C1
RP104x
Series
C2 V VOUT
IOUT
CE GND
Basic Test Circuit
C1=Ceramic 0.1F
C2=Ceramic 0.1F
A ISS
C1
VDD
VOUT
RP104x
Series
CE GND
VOUT
C2
C1=Ceramic 0.1F
C2=Ceramic 0.1F
Test Circuit for Supply Current
Pulse
Generator
P.G.
VDD
VOUT
RP104x
Series
CE GND
C2 IOUT
C2=Ceramic 0.1F
Test Circuit for Ripple Rejection
VDD
VOUT
C1
RP104x
Series
C2
VOUT
CE GND
IOUTa
IOUTb
C1=Ceramic 0.1F
C2=Ceramic 0.1F
Test Circuit for Load Transient Response
17


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current (C1Ceramic 0.1F, C2Ceramic 0.1F, Topt25C)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
RP104x121x
VIN=1.7V
VIN=2.0V
VIN=2.3V
VIN=2.6V
100 200 300 400 500
Output Current IOUT (mA)
3.0
2.5
2.0
1.5
1.0
0.5
0
0
RP104x251x
VIN=2.8V
VIN=3.1V
VIN=3.4V
VIN=3.7V
100 200 300 400
Output Current IOUT (mA)
500
4.2
3.5
2.8
2.1
1.4
0.7
0
0
RP104x331x
VIN=3.6V
VIN=3.9V
VIN=4.2V
VIN=4.5V
100 200 300 400 500
Output Current IOUT (mA)
2) Output Voltage vs. Input Voltage (C1Ceramic 0.1F, C2Ceramic 0.1F, Topt25C)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
RP104x121x
IOUT=1mA
IOUT=30mA
IOUT=50mA
1234
Input Voltage VIN (V)
5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
RP104x251x
IOUT=1mA
IOUT=30mA
IOUT=50mA
1234
Input Voltage VIN (V)
5
18


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
RP104x331x
RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
IOUT=1mA
IOUT=30mA
IOUT=50mA
1234
Input Voltage VIN (V)
5
3) Supply Current vs. Input Voltage (C1Ceramic 0.1F, C2Ceramic 0.1F, Topt25C)
RP104x121x
1.2
RP104x251x
1.2
1.0 1.0
0.8 0.8
0.6 0.6
0.4 0.4
0.2 0.2
0
012345
Input Voltage VIN (V)
0
012345
Input Voltage VIN (V)
1.2
1.0
0.8
0.6
0.4
0.2
0
0
RP104x331x
1234
Input Voltage VIN (V)
5
19


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
4) Output Voltage vs. Temperature (C1Ceramic 0.1F, C2Ceramic 0.1F, IOUT1mA)
RP104x121x
1.23
VIN=2.2V
RP104x251x
2.53
VIN=3.5V
1.22 2.52
1.21 2.51
1.20 2.50
1.19 2.49
1.18 2.48
1.17
-40 -25 0
25 50
Temperature Topt (°C)
75 85
2.47
-40 -25 0
25 50
Temperature Topt (°C)
75 85
RP104x331x
3.33
VIN=4.3V
3.32
3.31
3.30
3.29
3.28
3.27
-40 -25
0
25 50
Temperature Topt (°C)
75 85
5) Supply Current vs. Temperature (C1Ceramic 0.1F, C2Ceramic 0.1F)
RP104x121x
VIN=2.2V
1.4
RP104x251x
VIN=3.5V
1.4
1.2 1.2
1.0 1.0
0.8 0.8
0.6 0.6
0.4 0.4
0.2
-40 -25 0
25 50
Temperature Topt (°C)
75 85
0.2
-40 -25 0
25 50
Temperature Topt (°C)
75 85
20


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
RP104x331x
VIN=4.3V
1.4
1.2
1.0
0.8
0.6
0.4
0.2
-40 -25 0 25 50
Temperature Topt (°C)
75 85
6) Dropout Voltage vs. Output Current (C1Ceramic 0.1F, C2Ceramic 0.1F, Topt25C)
900
800
700
600
500
400
300
200
100
0
0
RP104x121x
85°C
25°C
- 40°C
25 50 75 100 125 150
Output Current IOUT (mA)
400
350
300
250
200
150
100
50
0
0
RP104x251x
85°C
25°C
- 40°C
25 50 75 100 125 150
Output Current IOUT (mA)
300
250
200
150
100
50
0
0
RP104x331x
85°C
25°C
- 40°C
25 50 75 100 125 150
Output Current IOUT (mA)
21


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
7) Dropout Voltage vs. Set Output Voltage (C1Ceramic 0.1F, C2Ceramic 0.1F, Topt25C)
800
700
600
500
400
300
200
100
0
1.0
IOUT=1mA
IOUT=30mA
IOUT=50mA
IOUT=150mA
1.5 2.0 2.5 3.0
Set Output Voltage VREG (V)
3.5
8) Ripple Rejection vs. Input Bias Voltage (C1none, C2Ceramic 0.1F, Topt25C)
40
35
30
25
20
15
10
5
0
1.3
RP104x121x
0.2Vp-p,IOUT=1mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
1.6 1.9
Input Voltage VIN (V)
2.2
40
35
30
25
20
15
10
5
0
2.6
RP104x251x
0.2Vp-p,IOUT=1mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
2.9 3.2
Input Voltage VIN (V)
3.5
40
35
30
25
20
15
10
5
0
3.4
RP104x331x
0.2Vp-p,IOUT=1mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
3.7 4.0
Input Voltage VIN (V)
4.3
40
35
30
25
20
15
10
5
0
1.3
RP104x121x
0.2Vp-p,IOUT=30mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
1.6 1.9
Input Voltage VIN (V)
2.2
22


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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40
35
30
25
20
15
10
5
0
2.6
40
35
30
25
20
15
10
5
0
1.3
40
35
30
25
20
15
10
5
0
3.4
RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
RP104x251x
0.2Vp-p,IOUT=30mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
2.9 3.2
Input Voltage VIN (V)
3.5
40
35
30
25
20
15
10
5
0
3.4
RP104x331x
0.2Vp-p,IOUT=30mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
3.7 4.0
Input Voltage VIN (V)
4.3
RP104x121x
0.5Vp-p,IOUT=1mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
1.6 1.9
Input Voltage VIN (V)
2.2
40
35
30
25
20
15
10
5
0
2.6
RP104x251x
0.5Vp-p,IOUT=1mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
2.9 3.2
Input Voltage VIN (V)
3.5
RP104x331x
0.5Vp-p,IOUT=1mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
3.7 4.0
Input Voltage VIN (V)
4.3
40
35
30
25
20
15
10
5
0
1.3
RP104x121x
0.5Vp-p,IOUT=30mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
1.6 1.9
Input Voltage VIN (V)
2.2
23


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
40
35
30
25
20
15
10
5
0
2.6
RP104x251x
0.5Vp-p,IOUT=30mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
2.9 3.2
Input Voltage VIN (V)
3.5
40
35
30
25
20
15
10
5
0
3.4
RP104x331x
0.5Vp-p,IOUT=30mA
f=600Hz
f=1kHz
f=10kHz
f=100kHz
3.7 4.0
Input Voltage VIN (V)
4.3
9) Ripple Rejection vs. Frequency (C1none, C2Ceramic 0.1F, Topt25C)
80
70
60
50
40
30
20
10
0
0.1
RP104x121x
VIN=2.2VDC+0.2Vp-p
IOUT=1mA
IOUT=30mA
IOUT=150mA
1 10
Frequency f (kHz)
100
80
70
60
50
40
30
20
10
0
0.1
RP104x251x
VIN=3.5VDC+0.2Vp-p
IOUT=1mA
IOUT=30mA
IOUT=150mA
1 10
Frequency f (kHz)
100
80
70
60
50
40
30
20
10
0
0.1
RP104x331x
VIN=4.3VDC+0.2Vp-p
IOUT=1mA
IOUT=30mA
IOUT=150mA
1 10
Frequency f (kHz)
100
80
70
60
50
40
30
20
10
0
0.1
RP104x121x
VIN=2.2VDC+0.5Vp-p
IOUT=1mA
IOUT=30mA
IOUT=150mA
1 10
Frequency f (kHz)
100
24


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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80
70
60
50
40
30
20
10
0
0.1
RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
RP104x251x
VIN=3.5VDC+0.5Vp-p
IOUT=1mA
IOUT=30mA
IOUT=150mA
1 10
Frequency f (kHz)
100
80
70
60
50
40
30
20
10
0
0.1
RP104x331x
VIN=4.3VDC+0.5Vp-p
IOUT=1mA
IOUT=30mA
IOUT=150mA
1 10
Frequency f (kHz)
100
10) Input Transient Response (C1none, IOUT30mA, Topt25C)
RP104x121x
C2=Ceramic 0.1μF
4.2
RP104x251x
C2=Ceramic 0.1μF
5.5
Input Voltage
3.2
2.2
Input Voltage
4.5
3.5
2.2 3.5
1.7
Output Voltage
1.2
3.0
Output Voltage
2.5
0.7
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
2.0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
RP104x331x
C2=Ceramic 0.1μF
6.0
Input Voltage
5.0
4.0
4.3
3.8 Output Voltage
3.3
2.8
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
RP104x121x
C2=Ceramic 1.0μF
4.2
Input Voltage
3.2
2.2
2.2
1.7
Output Voltage
1.2
0.7
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
25


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x251x
C2=Ceramic 1.0μF
5.5
Input Voltage
4.5
3.5
3.5
3.0 Output Voltage
2.5
2.0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
RP104x331x
C2=Ceramic 1.0μF
6.0
Input Voltage
5.0
4.0
4.3
3.8 Output Voltage
3.3
2.8
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
11) Load Transient Response (C1Ceramic 0.1F, Topt25C)
RP104x121x
VIN=2.2V
C2=Ceramic 0.1μF
150
RP104x251x
VIN=3.5V
C2=Ceramic 0.1μF
150
Output Current
50mA 100mA
1.5
100
Output Current
50 50mA 100mA
0 2.8
100
50
0
1.2
Output Voltage
0.9
2.5
Output Voltage
2.2
0.6
0 40 80 120 160 200 240 280 320 360
Time t (μs)
1.9
0 40 80 120 160 200 240 280 320 360
Time t (μs)
RP104x331x
VIN=4.3V
C2=Ceramic 0.1μF
150
Output Current
50mA 100mA
3.6
100
50
0
3.3
Output Voltage
3.0
2.7
0 40 80 120 160 200 240 280 320 360
Time t (μs)
RP104x121x
VIN=2.2V
C2=Ceramic 0.1μF
20
Output Current
1mA 10mA
10
0
1.4
Output Voltage
1.2
1.0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
26


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
RP104x251x
VIN=3.5V
C2=Ceramic 0.1μF
20
RP104x331x
VIN=4.3V
C2=Ceramic 0.1μF
20
Output Current
1mA 10mA
10
0
Output Current
1mA 10mA
10
0
2.7
Output Voltage
2.5
3.5
Output Voltage
3.3
2.3
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
3.1
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
RP104x121x
VIN=2.2V
C2=Ceramic 0.47μF
150
Output Current
50mA 100mA
100
50
1.5
Output Voltage
1.2
0
0.9
0 40 80 120 160 200 240 280 320 360
Time t (μs)
RP104x251x
VIN=3.5V
C2=Ceramic 0.47μF
150
Output Current
50mA 100mA
100
50
2.8
Output Voltage
2.5
0
2.2
0 40 80 120 160 200 240 280 320 360
Time t (μs)
RP104x331x
VIN=4.3V
C2=Ceramic 0.47μF
150
Output Current
50mA 100mA
100
50
3.6
Output Voltage
3.3
0
3.0
0 40 80 120 160 200 240 280 320 360
Time t (μs)
RP104x121x
VIN=2.2V
C2=Ceramic 0.47μF
20
Output Current
1mA 10mA
10
0
1.4
Output Voltage
1.2
1.0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
27


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x251x
VIN=3.5V
C2=Ceramic 0.47μF
20
RP104x331x
VIN=4.3V
C2=Ceramic 0.47μF
20
Output Current
1mA 10mA
10
0
Output Current
1mA 10mA
10
0
2.7
Output Voltage
2.5
3.5
Output Voltage
3.3
2.3
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
3.1
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
RP104x121x
VIN=2.2V
C2=Ceramic 1.0μF
150
Output Current
50mA 100mA
100
50
1.5
Output Voltage
1.2
0
0.9
0 40 80 120 160 200 240 280 320 360
Time t (μs)
RP104x251x
VIN=3.5V
C2=Ceramic 1.0μF
150
Output Current
50mA 100mA
100
50
2.8
Output Voltage
2.5
0
2.2
0 40 80 120 160 200 240 280 320 360
Time t (μs)
RP104x331x
VIN=4.3V
C2=Ceramic 1.0μF
150
Output Current
50mA 100mA
100
50
3.6
Output Voltage
3.3
0
3.0
0 40 80 120 160 200 240 280 320 360
Time t (μs)
RP104x121x
VIN=2.2V
C2=Ceramic 1.0μF
20
Output Current
1mA 10mA
10
0
1.4
Output Voltage
1.2
1.0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
28


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

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RP104Q (SC-82AB) is the discontinued product as of October 2016
RP104x
NO.EA-150-161026
RP104x251x
VIN=3.5V
C2=Ceramic 1.0μF
20
RP104x331x
VIN=4.3V
C2=Ceramic 1.0μF
20
Output Current
1mA 10mA
10
0
Output Current
1mA 10mA
10
0
2.7
Output Voltage
2.5
3.5
Output Voltage
3.3
2.3
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
3.1
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Time t (ms)
12) Turn On Speed with CE pin (C1Ceramic 0.1F, C2Ceramic 0.1F, Topt25C)
RP104x121B/D
VIN=2.2V
3.3
CE Input Voltage
2.2
1.1
Output Voltage
0
1.2
0.8 IOUT=0mA
IOUT=30mA
0.4 IOUT=150mA
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Time t (ms)
RP104x251B/D
VIN=3.5V
5.3
CE Input Voltage
3.5
1.8
0
Output Voltage
2.5
IOUT=0mA
1.3 IOUT=30mA
IOUT=150mA
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Time t (ms)
RP104x331B/D
VIN=4.3V
6.5
CE Input Voltage
4.3
2.2
Output Voltage
0
3.3
2.2 IOUT=0mA
1.1
IOUT=30mA
IOUT=150mA
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Time t (ms)
29


RP104K291C (RICOH)
150mA ULTRA LOW SUPPLY CURRENT LDO REGULATOR

No Preview Available !

Click to Download PDF File for PC

RP104x
NO.EA-150-161026
RP104Q (SC-82AB) is the discontinued product as of October 2016
13) Turn Off Speed with CE pin (B Version) (C1Ceramic 0.1F, C2Ceramic 0.1F, Topt25C)
RP104x121B
VIN=2.2V
3.3
2.2
CE Input Voltage
1.1
0
1.2 IOUT=0mA
IOUT=30mA
0.8 IOUT=150mA
0.4 Output Voltage
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Time t (ms)
RP104x331B
VIN=4.3V
6.5
4.3
CE Input Voltage
2.2
0
3.3 IOUT=0mA
IOUT=30mA
2.2 IOUT=150mA
1.1 Output Voltage
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Time t (ms)
14) Turn Off Speed with CE pin (D Version) (C1Ceramic 0.1F, C2Ceramic 0.1F, Topt25C)
RP104x121D
VIN=2.2V
3.3
2.2
CE Input Voltage
1.1
0
1.2 IOUT=0mA
IOUT=30mA
0.8 IOUT=150mA
0.4 Output Voltage
0
0 10 20 30 40 50 60 70
Time t (μs)
RP104x331D
VIN=4.3V
6.5
4.3
CE Input Voltage
2.2
0
3.3 IOUT=0mA
IOUT=30mA
2.2 IOUT=150mA
1.1 Output Voltage
0
0 10 20 30 40 50 60 70
Time t (μs)
15) Turn On Speed of C Version (C1Ceramic 0.1F, C2Ceramic 0.1F, VIN5.0V, Topt25C)
RP104x121C
7.5
Input Voltage
5.0
2.5
Output Voltage
0
1.2
0.8 IOUT=0mA
IOUT=150mA
0.4
0
0 40 80 120 160 200 240 280 320 360
Time t (μs)
RP104x251C
7.5
Input Voltage
5.0
2.5
Output Voltage
0
2.5
1.7
IOUT=0mA
0.8 IOUT=150mA
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Time t (ms)
30




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