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MIC29302A Datasheet, PDF (3/20 Pages) Micrel Semiconductor – 3A Fast-Response LDO Regulator
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Micrel, Inc.
MIC29302A
Absolute Maximum Ratings(1)
Input Supply Voltage (VIN)(1) ........................... –20V to +20V
Enable Input Voltage (VEN)................................ –0.3V to VIN
Lead Temperature (soldering, 5sec.)......................... 260°C
Power Dissipation .....................................Internally Limited
Storage Temperature Range ....................–65°C to +150°C
ESD Rating all pins(3)
Operating Ratings(2)
Operating Junction Temperature .............. −40°C to +125°C
Operating Input Voltage ....................................... 3V to 16V
Package Thermal Resistance
TO-263 (θJC).........................................................3°C/W
TO-252 (θJC).........................................................3°C/W
TO-252 (θJA) ......................................................35°C/W
TO-263 (θJA).......................................................28°C/W
Electrical Characteristics(4)
VIN = 4.2V; IOUT = 100mA; TA = 25°C, bold values indicate −40°C≤ TJ ≤ +125°C, unless noted.
Parameter
Condition
Min.
Output Voltage
Output Voltage Accuracy
100mA ≤ IOUT ≤3A, (VOUT + 1V) ≤ VIN ≤ 16V
−2
Line Regulation
IOUT = 100mA, (VOUT + 1V) ≤ VIN ≤ 16V
Load Regulation
Dropout Voltage
Ground Current
VIN = VOUT + 1V, 100mA ≤ IOUT ≤ 3A
ΔVOUT = −1%(6)
IOUT = 100mA
IOUT = 750mA
IOUT = 1.5A
IOUT = 3A
Ground Current
IGRNDDO Ground Pin Current
@ Dropout
Current Limit
en, Output Noise Voltage
(10Hz to 100kHz
IOUT = 750mA, VIN = VOUT + 1V
IOUT = 1.5A
IOUT = 3A
VIN = 0.5V less than specified VOUT × IOUT = 10mA
VOUT = 0V(7)
3
CL = 10µF
IL = 100mA
Ground Pin Current in Shutdown
CL = 33 µF
Input Voltage VIN = 16V
Typ.
0.1
0.2
80
220
275
450
5
15
60
2
4
400
260
32
Max.
2
0.5
1
200
800
20
150
Units
%
%
%
mV
mA
A
µV
(rms)
µA
August 2011
3
M9999-080411-A
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