FPF2146 데이터 시트보기 (PDF) - Fairchild Semiconductor
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FPF2146 Datasheet PDF : 13 Pages
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Typical Characteristics
VIN
2V/DIV
VON
2V/DIV
IOUT
500mA/DIV
VOUT
2V/DIV
CIN = 10µF
COUT = 0.1µF
VIN = 3.3V
50µs/DIV
Figure 19. Current Limit Response Time
(Output is loaded by 2.2Ω, COUT = 0.1µF)
VIN
5V/DIV
VON
5V/DIV
CIN = 10µF
COUT = 0.1µF
RL = 500Ω
VIN = 5.5V
VOUT
5V/DIV
PGOOD
5V/DIV
10µs/DIV
Figure 21. PGOOD Response
VIN
2V/DIV
VON
2V/DIV
IOUT
500mA/DIV
VOUT
2V/DIV
CIN = 10µF
COUT = 10µF
VIN = 3.3V
50µs/DIV
Figure 20. Current Limit Response Time
(Output is loaded by 2.2Ω, COUT = 10µF)
VDRV2
2V/DIV
VON
2V/DIV
IOUT
500mA/DIV
VOUT
2V/DIV
FPF2140/42/44/46
TBLANK
CIN = 10µF
COUT = 0.1µF
RL = 500Ω
VIN = 3.3V
20ms/DIV
Figure 22. TBLANK Response
VDRV2
2V/DIV
VON
2V/DIV
IOUT
500mA/DIV
VOUT
2V/DIV
FPF2140/44
TRESTART
CIN = 10µF
COUT = 0.1µF
RL = 500Ω
VIN = 3.3V
100ms/DIV
Figure 23. TRESTART Response
Note 2: VDRV signal forces the device to go into overcurrent condition by loading.
8
FPF2140/42/43/44/46/47 Rev. D
www.fairchildsemi.com
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