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| MIC29311_07 Datasheet, PDF (3/11 Pages) Micrel Semiconductor – 3A Fast-Response LDO Regulator for USB | |||
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Micrel, Inc.
Absolute Maximum Ratings(1)
Input Voltage (VIN) .......................................... â20V to +12V
Enable Voltage (VEN)...................................... â20V to +12V
Error Output Voltage (VERR) ............................... 0V to +12V
Lead Temperature (soldering, 5 sec.)........................ 260°C
EDS Rating(3)
MIC29311
Operating Ratings(2)
Input voltage (VIN) ..........................................................+8V
Maximum Power Dissipation (PD(max))(4)
Junction Temperature (TJ) ............................ 0°C to +125°C
Package Thermal Resistance
TO-220-5 (θJA) ...................................................55°C/W
TO-220-5 (θJC).....................................................2°C/W
Electrical Characteristics
TA = 25°C, bold values indicate 0°C < TJ < +125°C, unless noted.
Parameter
Condition
Output Tolerance
10mA ⤠IOUT < 3A, (VOUT + 1V) ⤠VIN ⤠8V
Line Regulation
IOUT = 10mA, (VOUT + 1V ⤠VIN ⤠8V
Load Regulation
VIN = VOUT + 1V, 10mA ⤠IOUT 3A
Output Voltage
Temperature Coefficient
Note 5
Dropout Voltage, Note 6
IOUT = 100mA
IOUT = 750mA
IOUT = 1.5A
IOUT = 3A
Ground Current, Note 7
VIN = 6.1V, IOUT = 750mA
VIN = 6.1V, IOUT = 1.5A
VIN = 6.1V, IOUT = 3A
Dropout Ground Current
VIN = 6.1V, IOUT = 10mA
Current Limit
VIN = 3V, VOUT + 0V
Minimum Load Current
Output Noise Voltage
CLOAD = 10µF
CLOAD = 33µF
Error Flag Output
Output Leakage Current
VIN = 6.1V, VERR = 8V
Output Low Voltage
VIN = 4.1V, IERR = 250µA
Min Typ
Max
Units
â3
+3
%
0.06
0.5
%
0.2
1
%
20
100 ppm/°C
80
200
mV
220
mV
330
mV
600 1000
mV
5
20
mA
15
mA
60
150
mA
2
3
mA
3.0
3.8
A
7
10
mA
400
µV(rms)
260
µV(rms)
0.1
1
µA
2
µA
220
300
mV
400
mV
September 2007
3
M9999-090507
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