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FPF1321 Datasheet

Dual-Input Single-Output Advanced Power Switch

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FPF1321 pdf
Electrical Characteristics
VINA=VINB=1.5 to 5.5 V, TA=-40 to 85°C unless otherwise noted. Typical values are at VINA=VINB=3.3 V and TA=25°C.
Symbol
Parameters
Condition
Basic Operation
VINA, VINB
ISD
Input Voltage
Shutdown Current
IQ Quiescent Current
RON On-Resistance
VIH
SEL, EN Input Logic High
Voltage
SEL=HIGH or LOW, EN=GND,
VOUT=GND, VINA=VINB=5.5 V
IOUT=0mA, SEL=HIGH or LOW,
EN=HIGH, VINA=VINB=5.5 V
VINA=VINB=5.5 V, IOUT=200 mA,
TA=25°C
VINA=VINB=3.3 V, IOUT=200 mA,
TA=25°C
VINA=VINB=1.8 V, IOUT=200 mA,
TA=25°C to 85°C
VINA=VINB=1.5 V, IOUT=200 mA,
TA=25°C
VINA, VINB=1.5 V – 5.5 V
SEL, EN Input Logic Low
Voltage
VINA, VINB=1.8 V – 5.5 V
VIL
SEL, EN Input Logic Low
Voltage
VINA, VINB=1.5 V – 1.8 V
VDROOP_OUT
Output Voltage Droop while
Channel Switching from
Higher Input Voltage Lower
Input Voltage(3)
VINA=3.3 V, VINB=5 V, Switching from
VINA VINB, RL=150 , COUT=1 µF
ISEL/IEN
Input Leakage at SEL and
EN Pin
RSEL_PD/REN_PD
Pull-Down Resistance at
SEL or EN Pin
RPD
Output Pull-Down
Resistance
True Reverse Current Blocking
SEL=HIGH or LOW, EN=GND,
IFORCE=20 mA, TA=25°C, FPF1321
VT_RCB
VR_RCB
RCB Protection Trip Point
RCB Protection Release
Trip Point
VOUT - VINA or VINB
VINA or VINB -VOUT
IRCB
VINA or VINB Current During VOUT=5.5 V, VINA or VINB=Short to
RCB
GND
tRCB_ON
RCB Response Time when
Device is ON(3)
VINA or VINB=5 V, VOUTVINA,B=100 mV
Min. Typ. Max. Unit
1.5 5.5 V
5 µA
12 22 μA
42 60
50
m
80
170
1.15 V
0.65 V
0.60
100 mV
1.2 μA
7 M
65
45 mV
25 mV
9 15 μA
5 µs
Continued on the following page…
© 2011 Fairchild Semiconductor Corporation
FPF1320 / FPF1321 • Rev. 1.0.2
5
www.fairchildsemi.com
Fairchild Semiconductor
Fairchild Semiconductor



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