MIC69153 Datasheet PDF - MICREL

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MIC69153
MICREL

Part Number MIC69153
Description Single Supply VIN / LOW VIN / LOW VOUT / 1.5A LDO
Page 9 Pages


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MIC69151/153
Single Supply VIN, Low VIN, Low VOUT,
1.5A LDO
General Description
Features
The MIC69151/153 is the 1.5A output current member of
the MIC69xxx family of high current, low voltage
regulators, which support currents of 1A, 1.5A, 3A, and 5A.
The MIC69151/153 operates from a single low voltage
supply, yet offers high precision and ultra-low dropout of
500mV under worst case conditions.
The MIC69151/153 operates from an input voltage of
1.65V to 5.5V. It is designed to drive digital circuits
requiring low voltage at high currents (i.e. PLDs, DSP,
microcontroller, etc.). These regulators are available in
adjustable and fixed output voltages including 1.8V. The
adjustable version can support output voltages down to
0.5V.
The µCap design of the MIC69151/153 is optimized for
stability with low value low-ESR ceramic output capacitors.
Features of the MIC69151/153 include thermal shutdown
and current limit protection. Logic enable and error flag
pins are also available.
The MIC69151/153 is offered in a tiny 10-pin 3mm x 3mm
MLF® package and an EPAD SOIC-8 package. Both
packages have an operating temperature range of
–40°C to +125°C.
Data sheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Single input voltage range: VIN: 1.65V to 5.5V
Maximum dropout (VIN – VOUT) of 500mV
over temperature
Adjustable output voltage down to 0.5V
Stable with 10µF ceramic output capacitor
Excellent line and load regulation specifications
Logic controlled shutdown
Thermal shutdown and current limit protection
10-Pin 3mm x 3mm MLF® package
EPAD SOIC-8 package
Available –40°C to +125°C junction temperature
Applications
Point-of-load applications
Industrial power
Sensitive RF applications
___________________________________________________________________________________________________________
Typical Application
www.DataSheet4UFi.xcoemd 1.8V Regulator w/Flag Error
Adjustable Regulator
Super ßeta PNP is a registered trademark of Micrel, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
July 2010
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Micrel, Inc.
Ordering Information
Part Number
MIC69151-1.8YML
MIC69151-1.8YME
MIC69153YME
MIC69153YML
Nominal
Output Voltage
1.8V
1.8V
Adj.
Adj.
Junction
Temperature Range
–40° to +125°C
–40° to +125°C
–40° to +125°C
–40° to +125°C
Package
10-Pin 3x3 MLF®
8-Pin EPAD SOIC
8-Pin EPAD SOIC
10-Pin 3x3 MLF®
MIC69151/153
Lead Finish
Pb-Free
Pb Free
Pb Free
Pb-Free
Pin Configuration
FLG 1
NC 2
GND 3
NC 4
NC 5
10 ADJ/SNS
9 VOUT
8 NC
7 VIN
6 EN
10-Pin 3mm x 3mm MLF® (ML)
GND 1
EN 2
VIN 3
VIN 4
8 FLG
7 SNS/ADJ
6 VOUT
5 VOUT
8-Pin EPAD SOIC (ME)
Pin Description
Pin Number
MLF-10
1
Pin Number
EPAD SOIC-8
8
2, 4, 5, 8
3 (EP)
6
1
2
7
9
10 (Adj)
10 (Fixed)
3, 4
5, 6
7 (Adj)
7 (Fixed)
Pin Name
FLG
NC
GND
EN
VIN
VOUT
ADJ
SNS
Pin Function
Error Flag (Output): Open collector output. Active low indicates an output fault
condition.
Not internally connected.
Ground (exposed pad is recommended to connect to ground on MLF®).
Enable (Input): CMOS compatible input. Logic high = enable,
logic low = shutdown. Do not leave pin floating.
Input voltage which supplies current to the output power device.
Regulator Output.
Adjustable regulator feedback input. Connect to resistor voltage divider.
Sense pin, connect to output for improved voltage regulation.
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July 2010
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Micrel, Inc.
MIC69151/153
Absolute Maximum Ratings(1)
Supply Input Voltage (VIN) ................................................6V
PLoogwicerInDpisust iVpaotltioange(P(VD)E.N.,..V...L.Q..)..................................I.n..t.e..r.n..a..l.l.y..L0iVmtitoedV(I3N)
Flag ..................................................................................6V
SEStoDra(4g)e...T..e..m....p..e..r.a..t.u..r.e...(.T..S..)....................................................–..6..5..°.C....t.o...+..1..2. 25k°CV
Operating Ratings(2)
Supply Voltage (VIN) ....................................... 1.65V to 5.5V
Enable Input Voltage (VEN)..................................... 0V to VIN
Junction Temperature (TJ) ..................–40°C TJ +125°C
Package Thermal Resistance
3x3 MLF® (θJA) ...................................................60°C/W
EPAD SOIC-8 (θJA) ............................................41°C/W
Electrical Characteristics(4)
TA = 25°C with VIN = VOUT + 1V; bold values indicate –40°C< TJ < +125°C; IOUT = 10mA; COUT 4.7µF ceramic, unless otherwise noted.
Parameter
Output Voltage Accuracy (Fixed)
Adjustable Feedback Voltage
(Adj)
Feedback Pin Current
Output Voltage Line Regulation
(Note 5)
Output Voltage Load Regulation
VIN – VO; Dropout Voltage
(Note 6)
Ground Pin Current
Ground Pin Current in Shutdown
Current Limit
Start-up Time
Thermal Shutdown
Conditions
Over temperature range
VIN = VOUT +1.0V to 5.5V
For VOUT 0.65V, VIN = 1.65 to 5.5V
IL = 10mA to 1.5A
IL = 1.0A
IL = 1.5A
IL = 10mA
IL = 0.5A
IL = 1.5A
VEN = 0V
VOUT = 0V
VEN = VIN
Min Typ Max Units
–2 +2 %
0.49 0.5
0.51
V
0.25 1
±0.2 ±0.3
µA
%/V
±0.2
185 300
250 500
1.6
7.5 20
20 35
1
1.7 2.6
10 150
165
%
mV
mV
mA
mA
mA
µA
A
µs
°C
Enable Input
Enable Input Threshold
Enable Pin Input Current
Flag Output
Regulator enable
Regulator shutdown
VIL 0.2V (Regulator shutdown)
VIH 0.8V (Regulator enable)
0.8 0.6
0.2
0.005
7
V
V
µA
µA
IFLG(LEAK)
VFLG(LO)
VFLG
Flag Output Leakage Current (Flag Off)
Output Logic-Low Voltage (undervoltage condition),
IL = 5mA
Threshold, % of VOUT below nominal (falling)
Hysteresis
0.05
150
7.5 10
2
14
µA
mV
%
%
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. The maximum allowable power dissipation of any TA (ambient temperature) is (PD(max) = TJ(max) – TA) / θJA. Exceeding the maximum allowable power
wwwd.iDssaiptaatSiohneewti4llUre.scuolmt in excessive die temperature and the regulator will go into thermal shutdown.
4. Specification for packaged product only.
5. Minimum input for line regulation test is set to VOUT + 1V relative to the highest output voltage.
6. Dropout voltage is defined as the input-to-output differential at which the output voltage drops 2% below its nominal value measured at 1V differential.
For outputs below 1.65V, dropout voltage is considered the input-to-output voltage differential with the minimum input voltage of 1.65V. Minimum
input operating voltage is 1.65V.
July 2010
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Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
70
60
50
40
30
20
VIN = 3.3V
10 VOUT = 1.8V
IOUT = 0.5A
0 1K
10K
FREQUENCY (Hz)
Dropout Voltage
300 vs. Output Current
250
200
150
100
50 VOUT = 1.8V
COUT = 10µF
00 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
OUTPUT CURRENT (A)
Ground Current
vs. Output Current
18
16
14
12
10
8
6
4 VIN = 3V
2 VOUT = 1.8V
0
COUT = 10µF
800 1200
OUTPUT CURRENT (mA)
Ground Current
vs. Temperature
16
14
12
10 1A
8
6
4 VIN = VOUT +1
0.5A
2 VOUT = 1.8V
COUT = 10µF
0 20 40 60 80
TEMPERATURE (°C)
Output Voltage
vs. Temperature
1.90
1.88
1.86
1.84
1.82
1.80
1.78
1.76
1.74
1.72
1.70
VIN = 3.3V
VOUT = 1.8V
IOUT = 10mA
20 40 60 80
TEMPERATURE (°C)
Current Limit
vs. Temperature
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
1.9
VIN = 3.3V
VOUT = 1.8V
1.8 20 40 60 80
TEMPERATURE (°C)
Enable Threshold
vs. Temperature
1.0
0.9
0.8
0.7
0.6 ON
0.5
w w 0.4w . D a t a S h e e t 4 U . c o m
0.3 VIN = 2.8V
OFF
0.2
0.1
VOUT = 1.8V
COUT = 10µF
IOUT = 100mA
0 20 40 60 80
TEMPERATURE (°C)
MIC69151/153
Dropout Voltage
vs. Temperature
400
350
300 IOUT=1.5A
250
200
150 IOUT=750mA
100
50
VIN = 3.3V
VOUT = 1.8V
0 20 40 60 80
TEMPERATURE (°C)
Output Voltage
2.0 vs. Input Voltage
1.8
1.6
1.4
1.2
750mA
1.0 1A
0.8
0.6
0.4
0.2
VOUT = 1.8V
COUT = 10µF
00 0.5 1.0 1.5 2.0 2.5 3.0
INPUT VOLTAGE (V)
Load Regulation
1.802
1.800
1.798
1.796
1.794
1.792
1.790 VIN = 3V
1.788 VOUT = 1.8V
1.7860
COUT =
0.25
10µF
0.5
0.75
1.0
1.25
OUTPUT CURRENT (A)
1.5
July 2010
4 M9999-071210-D



MIC69153 datasheet pdf
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