SG2011 Просмотр технического описания (PDF) - Shengbang Microelectronics Co, Ltd
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SG2011 Datasheet PDF : 10 Pages
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TYPICAL OPERATING CHARACTERISTICS
VIN = VOUT (NOMINAL) + 0.5V or 2.5V (whichever is greater), CIN = 1µF, COUT = 1µF, TA = +25℃, unless otherwise noted.
4.5V
3.5V
3.1V
3V
2.9V
Line-Transient Response
VIN
ILOAD = 150mA
VOUT
100µS/div
VOUT = 3V
Load-Transient Response Near Dropout
3.05V VOUT = 3V
3V
VOUT
2.95V
50mA
0mA
CIN = 1μF
VIN = VOUT + 0.1V
ILOAD = 0mA to 50mA
40µS/div
ILOAD
Region of Stable COUT ESR vs.Load Current
100
10
COUT = 10μF
1
Stable Region
0.1
COUT = 1μF
0.02
0.01
0
50 100 150 200 250 300
Load Current(mA)
3.05V
3V
2.95V
Load-Transient Response
VIN = VOUT + 0.5V
ILOAD = 0mA to 50mA
CIN = 1μF
VOUT
50mA
0mA
40µS/div
VOUT = 3V
ILOAD
80
70
60
50
40
30
20
10
0
0.01
Power-Supply Rejection Ratio
vs.Frequency
ILOAD = 50mA
COUT = 10μF
COUT = 1μF
0.1
1
10
100
Frequency(kHz)
1000
1200
1100
Current limit vs.Temperature
VOUT = 3.3V
1000
900
800
700
600
500
400
300
-40 -20 0
20 40 60 80 100 120 140
Temperature(℃)
５
SG2011
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