NCP4624 Datasheet PDF - ON Semiconductor

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NCP4624
ON Semiconductor

Part Number NCP4624
Description LDO Linear Voltage Regulator
Page 18 Pages


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NCP4624
150 mA, Wide Input Range,
LDO Linear Voltage
Regulator
The NCP4624 is a CMOS 150 mA LDO linear voltage regulator
which features high input voltage range while maintaining low
quiescent current 2 mA typically. Several protection features like
Current Limiting and Reverse Current Protection Circuit are fully
integrated to create a versatile device suitable for the power source
being in the standbymode. A high maximum input voltage (11 V) and
wide temperature range (40°C to 85°C) makes the NCP4624 device
with output capacitor as low as 0.1 mF an ideal choice for industrial
applications also a portable equipments powered by 2cell Liion
battery.
Features
Operating Input Voltage Range: 2.5 V to Set VOUT + 6.5 V, Max.
11 V
Output Voltage Range: 1.2 to 5.5 V (available in 0.1 V steps)
±2% Output Voltage Accuracy
Output Current: min. 150 mA
Line Regulation: 0.02%/V
Current Limit Circuit
Available in SOT235, UDFN 1.0 x 1.0 mm and SC88A Package
Builtin Reverse Current Protection Circuit
These are PbFree Devices
Typical Applications
Home Appliances, Industrial Equipment
Cable Boxes, Satellite Receivers, Entertainment Systems
Car Audio Equipment, Navigation Systems
Notebook Adaptors, LCD TVs, Cordless Phones and Private LAN
Systems
BatteryPowered Portable Communication Equipments
VIN
C1
0.1mF
NCP4624x
VIN VOUT
CE
GND
VOUT
C2
0.1mF
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MARKING
DIAGRAMS
SOT235
CASE 1212
XXXMM
1
1
UDFN4
CASE 517BR
XX
MM
1
SC88A
(SC705/SOT353)
CASE 419A
XXXX MG
G
1
XX, XXX, XXXX = Specific Device Code
M, MM
= Date Code
A = Assembly Location
Y = Year
W = Work Week
G = PbFree Package
(*Note: Microdot may be in either location)
Figure 1. Typical Application Schematic
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 15 of this data sheet.
© Semiconductor Components Industries, LLC, 2012
February, 2012 Rev. 0
1
Publication Order Number:
NCP4624/D
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NCP4624xxxx
NCP4624
NCP4624Dxx
Vin Vout Vin
Vref
Current Limit
CE
Reverse Detector
CE
GND
Vref
Current Limit
Reverse Detector
Figure 2. Simplified Schematic Block Diagram
Vout
GND
PIN FUNCTION DESCRIPTION
Pin No.
SOT235
SC88A
UDFN 1x1
154
232
313
42
541
*EP
Pin Name
VIN
GND
CE
NC
VOUT
EP
Description
Input pin
Ground pin
Chip enable pin (“H” active)
Non connected
Output pin
Exposed Pad (leave floating or connect to GND)
ABSOLUTE MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Input Voltage (Note 1)
Output Voltage
VIN
VOUT
0.3 to 12
0.3 to VIN 11
V
V
Chip Enable Input
VCE
0.3 to VIN 11
V
Power Dissipation SOT235
Power Dissipation uDFN 1.0 x 1.0 mm
PD 420 mW
400
Power Dissipation SC88A
380
Junction Temperature
TJ
40 to 150
°C
Storage Temperature
TSTG
55 to 125
°C
ESD Capability, Human Body Model (Note 2)
ESDHBM
2000
V
ESD Capability, Machine Model (Note 2)
ESDMM
200
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. Refer to Electrical Characteristics and Application Information for safe operating area.
2. This device series incorporates ESD protection and is tested by the following methods:
ESD Human Body Model tested per AECQ100002 (EIA/JESD22A114)
ESD Machine Model tested per AECQ100003 (EIA/JESD22A115)
Latchup Current Maximum Rating tested per JEDEC standard: JESD78.
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NCP4624
THERMAL CHARACTERISTICS
Rating
Thermal Characteristics, SOT235
Thermal Resistance, JunctiontoAir
Thermal Characteristics, uDFN 1x1
Thermal Resistance, JunctiontoAir
Thermal Characteristics, SC88A
Thermal Resistance, JunctiontoAir
Symbol
RqJA
RqJA
RqJA
Value
238
250
263
Unit
°C/W
°C/W
°C/W
ELECTRICAL CHARACTERISTICS 40°C TA 85°C; CIN = COUT = 0.1 mF, unless otherwise noted. Typical values are at
TA = +25°C.
Parameter
Test Conditions
Symbol Min Typ Max Unit
Operating Input Voltage
1.2 V < VOUT < 4.5 V
VIN 2.5
Vset +
6.5
V
Output Voltage
Output Voltage Temp. Coefficient
4.5 V VOUT < 5.5 V
Ta = 25°C, VOUT > 1.5 V
40°C < TA < 85°C, VOUT > 1.5V
TA = 25°C, VOUT < 1.5 V
40°C < TA < 85°C, VOUT < 1.5V
VIN = VOUT + 2 V, IOUT = 100 mA, TA = 40 to
105°C
VOUT
x0.99
x0.982
15
28
±100
11
x1.01
x1.018
+15
+28
V
mV
ppm/°C
Line Regulation
Load Regulation
Dropout Voltage
Output Current
Set VOUT + 0.5 V < VIN < VIN max, IOUT = 1 mA
VIN = VOUT + 2 V, 0.1mA < IOUT 150 mA
IOUT = 150 mA
1.2 V VOUT < 1.3 V
1.3 V VOUT < 1.5 V
1.5 V VOUT < 1.8 V
1.8 V VOUT < 2.3 V
2.3 V VOUT < 3.0 V
3.0 V VOUT < 4.0 V
4.0 V VOUT 5.5 V
LineReg
LoadReg
VDO
IOUT
35
150
0.02
3
1.68
1.63
1.48
1.16
0.90
0.61
0.39
0.20
35
2.59
2.49
2.23
2.19
1.47
1.05
0.76
%/V
mV
V
mA
Short Current Limit
Quiescent Current
VOUT = 0 V
Iout = 0 mA
ISC 45 mA
IQ 2.0 3.7 mA
Standby Current
CE Pin PullDown Current
VIN = VIN max , VCE = 0 V ISTB 0.2 0.6 mA
IPD 0.3 0.9 mA
CE Pin Threshold Voltage
CE Input Voltage “H”
CE Input Voltage “L”
VCEH
VCEL
1.7
0
VIN V
0.8
Reverse Current
0 V VIN < 11 V, VOUT > 1.5 V
IREV
Reverse Current Detection Offset
0 V VIN < 11 V, VOUT > 1.5 V
VREV_DET
Reverse Current Release Offset
0 V VIN < 11 V, VOUT > 1.5 V
VREV_REL
Power Supply Rejection Ratio
ΔVVININ=_PVKOUPTK
+
=
2.5
0.3
V,
V,
IOUT = 50 mA, f = 1 kHz
VOUT = 1.2 V
VOUT = 2.5 V
VOUT = 3.3 V
PSRR
VOUT = 5.5 V
Output Noise Voltage
VOUT = 1.2 V, IOUT = 30 mA, f = 100 Hz to 100 kHz VNOISE
Autodischarge NMOS Resist-
ance
VIN = 7.0 V, VCE = 0.0 V (D version only)
RDSON
0 0.16 mA
55 100 mV
70 120 mV
27 dB
22
18
15
105 mVrms
380 W
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NCP4624
TYPICAL CHARACTERISTICS
1.4
1.2
1 7.5 V
0.8 VIN = 2.5 V
0.6
4.0 V
5.5 V
0.4
0.2
0
0 50 100 150 200 250 300 350 400
IOUT (mA)
Figure 3. Output Voltage vs. Output Current
1.2 V Version (TJ = 255C)
6
5 VIN = 6.5 V
4
3
11 V
2
1
00 50 100 150 200 250 300 350 400
IOUT (mA)
Figure 5. Output Voltage vs. Output Current
5.5 V Version (TJ = 255C)
3.5
3
2.5
2
1.5 VIN = 9.8 V
1
0.5
5.8 V
4.3 V
0
0 50 100 150 200 250 300 350 400
IOUT (mA)
Figure 4. Output Voltage vs. Output Current
3.3 V Version (TJ = 255C)
1.4
1.2
1 1 mA
0.8
IOUT = 50 mA
0.6 30 mA
0.4
0.2
0
01234567
VIN (V)
Figure 6. Output Voltage vs. Input Voltage
1.2 V Version
4
3.5
3
2.5
2
1.5 1 mA
1
30 mA
0.5 IOUT = 50 mA
00 1 2 3 4 5 6 7 8 9 10
VIN (V)
Figure 7. Output Voltage vs. Input Voltage
3.3 V Version
7
6
5
4
3
2 1 mA
1 30 mA
IOUT = 50 mA
0
0 1 2 3 4 5 6 7 8 9 10 11
VIN (V)
Figure 8. Output Voltage vs. Input Voltage
5.5 V Version
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