MIC5239 Datasheet, PDF (6/12 Pages) Micrel Semiconductor – Low Quiescent Current 500mA UCap LDO Regulator

MIC5239
Input Current
120
100
80
60
40 _{VEN = 5V}
20 ^{RLOAD = 30Ω}
-020
-10
0
10
SUPPLY VOLTAGE (V)
Output Voltage
vs. Temperature
3.05
3.04
I_LOAD = 100µA
3.03
3.02
3.01
3
2.99
2.98
2.97
2.96
2.9-540 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Micrel
Short Circuit
Current
900
800
700
600
500
400
300
200
100
V_IN = 4V
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Load Transient Response
500mA
0mA
V_IN = 4V
V_OUT = 3V
C_OUT = 4.7µF ceramic
TIME (400µs/div.)
MIC5239
6
January 2002