Datasheet

8 www.fairchildsemi.com
FPF2140/42/43/44/46/47 Rev. D
FPF2140/42/43/44/46/47 Full Function Load Switch with Reverse Current Blocking
Typical Characteristics
C
IN
= 10µF
C
OUT
= 0.1µF
V
IN
= 3.3V
V
IN
2V/DIV
V
ON
2V/DIV
V
OUT
2V/DIV
I
OUT
500mA/DIV
C
IN
= 10µF
C
OUT
= 10µF
V
IN
= 3.3V
V
IN
2V/DIV
V
ON
2V/DIV
V
OUT
2V/DIV
I
OUT
500mA/DIV
C
IN
= 10µF
C
OUT
= 0.1µF
R
L
= 500Ω
V
IN
= 5.5V
V
IN
5V/DIV
V
ON
5V/DIV
PGOOD
5V/DIV
V
OUT
5V/DIV
50µs/DIV 50µs/DIV
10µs/DIV
C
IN
= 10µF
C
OUT
= 0.1µF
R
L
= 500Ω
V
IN
= 3.3V
V
DRV
2
2V/DIV
V
OUT
2V/DIV
I
OUT
500mA/DIV
V
ON
2V/DIV
T
BLANK
V
DRV
2
2V/DIV
V
OUT
2V/DIV
I
OUT
500mA/DIV
V
ON
2V/DIV
T
RESTART
20ms/DIV
100ms/DIV
C
IN
= 10µF
C
OUT
= 0.1µF
R
L
= 500Ω
V
IN
= 3.3V
Figure 20. Current Limit Response Time
(Output is loaded by 2.2Ω, C
OUT
= 10µF)
Figure 22. T
BLANK
Response
Figure 23. T
RESTART
Response
Figure 21. PGOOD Response
Figure 19. Current Limit Response Time
(Output is loaded by 2.2Ω, C
OUT
= 0.1µF)
FPF2140/42/44/46
FPF2140/44
Note 2: V
DRV
signal forces the device to go into overcurrent condition by loading.