MIC39150 Datasheet, PDF (6/12 Pages) Micrel Semiconductor – 1.5A Low-Voltage Low-Dropout Regulator

MIC39150/39151
Error Flag
Pull-Up Resistor
6
V_IN = 5V
5
FLAG HIGH
4
(OK)
3
2
1
FLAG LOW
(FAULT)
0
0.01 0.1 1 10 100 100010000
RESISTANCE (kΩ)
Enable Current
vs. Temperature
12
V_IN = V_OUT + 1V
10
V_EN = 2.4V
8
6
4
2
0
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
Micrel
Flag-Low Voltage
vs. Temperature
250
200
FLAG-LOW
VOLTAGE
150
100
V_IN = 2.25V
R_PULL-UP = 22kΩ
50
0
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
Functional Characteristics
Load Transient Response
V_IN = 3.3V
V_OUT = 2.5V
C_OUT = 10µF
Load Transient Response
V_IN = 3.3V
V_OUT = 2.5V
C_OUT = 47µF
1.5A
100mA
TIME (250µs/div.)
Load Transient Response
V_OUT = 2.5V
C_OUT = 10µF
I_LOAD = 10mA
5V
3.3V
TIME (500µs/div.)
MIC39150/39151
6
1.5A
10mA
TIME (250µs/div.)
May 2000