SG2011 Datasheet, PDF (5/10 Pages) SG Micro Corp – 300mA , Low Power, Low Dropout, Linear Regulators

TYPICAL OPERATING CHARACTERISTICS
V_IN = V_{OUT (NOMINAL)} + 0.5V or 2.5V (whichever is greater), C_IN = 1µF, C_OUT = 1µF, T_A = +25℃, unless otherwise noted.
4.5V
3.5V
3.1V
3V
2.9V
Line-Transient Response
V_IN
I_LOAD = 150mA
V_OUT
100µS/div
V_OUT = 3V
Load-Transient Response Near Dropout
3.05V ^{VOUT = 3V}
3V
V_OUT
2.95V
50mA
0mA
C_IN = 1μF
V_IN = V_OUT + 0.1V
I_LOAD = 0mA to 50mA
40µS/div
I_LOAD
Region of Stable C_OUT ESR vs.Load Current
100
10
C_OUT = 10μF
1
Stable Region
0.1
C_OUT = 1μF
0.02
0.01
0
50 100 150 200 250 300
Load Current(mA)
3.05V
3V
2.95V
Load-Transient Response
V_IN = V_OUT + 0.5V
I_LOAD = 0mA to 50mA
C_IN = 1μF
V_OUT
50mA
0mA
40µS/div
V_OUT = 3V
I_LOAD
80
70
60
50
40
30
20
10
0
0.01
Power-Supply Rejection Ratio
vs.Frequency
I_LOAD = 50mA
C_OUT = 10μF
C_OUT = 1μF
0.1
1
10
100
Frequency(kHz)
1000
1200
1100
Current limit vs.Temperature
V_OUT = 3.3V
1000
900
800
700
600
500
400
300
-40 -20 0
20 40 60 80 100 120 140
Temperature(℃)
５
SG2011