TYPICAL OPERATING CHARACTERISTICS
VIN = VOUT(NOMINAL) + 0.5V or 2.5V (whichever is greater), CIN = 1µF, COUT = 1µF, TA = +25℃, unless otherwise noted.
Region of Stable COUT ESR vs.Load Current
Current limit vs.Temperature
VOUT = 2.5V
100
10
1200
1100
1000
900
C
= 10μF
OUT
800
1
C
= 1μF
700
OUT
Stable Region
600
0.1
500
400
0.02
0.01
300
-40 -20
0
20 40 60 80 100 120 140
0
30
60
90
120
150
Load Current(mA)
Temperature(℃)
Load-Transient Response
VIN = VOUT + 0.5V
Line-Transient Response
4.5V
3.5V
ILOAD = 0mA to 50mA
VIN
3.05V
CIN = 1μF
VOUT
3V
2.95V
ILOAD = 50mA
3.1V
3V
VOUT
50mA
0mA
2.9V
ILOAD
VOUT =3V
VOUT =3V
40µS/div
100µS/div
Power-Supply Rejection Ratio
vs.Frequency
Load-Transient Response Near Dropout
VOUT =3V
80
70
60
50
40
30
20
10
0
ILOAD =50mA
3.05V
3V
VOUT
2.95V
COUT =10μF
50mA
0mA
ILOAD
CIN = 1μF
VIN = VOUT + 0.1V
COUT =1μF
ILOAD = 0mA to 50mA
0.01
0.1
1
10
100
1000
40µS/div
Frequency(kHz)
5
SG2010