FPF1320 Fairchild Semiconductor, FPF1320 Datasheet - Page 3

• Manufacturer Part Number: FPF1320
• Description: The FPF1320/21 is a Dual-Input Single-Output (DISO) load switch consisting of two sets of slew-rate controlled, low on-resistance, P-channel MOSFET switches and integrated analog features
• Manufacturer: Fairchild Semiconductor

© 2011 Fairchild Semiconductor Corporation
FPF1320 / FPF1321 • Rev. 1.0.0
Pin Configuration
Pin Description
Table 1.
HIGH
LOW
SEL
Pin #
X
C1
C2
A1
B1
A2
B2
HIGH
HIGH
Truth Table
LOW
EN
Name
GND
V
V
V
SEL
EN
OUT
IN
IN
A
B
Switch A
Figure 3.
OFF
OFF
ON
Enable input. Active HIGH. There is an internal pull-down resistor at the EN pin.
Input power selection inputs. See Table 1 . There are internal pull-down resistors at the
SEL pins.
Supply Input. Input to the power switch A.
Switch output
Ground
Supply Input. Input to power switch B.
Pin Configuration in Package View with Pin 1 Indicator
SEL
GND
C1
A1
B1
EN
Switch B
Top View
OFF
OFF
ON
Figure 4.
V
V
V
C2
A2
B2
IN
OUT
IN
A
B
Floating for FPF1320
Pin Assignments
GND for FPF1321
3
V
V
V
OUT
IN
IN
A
B
V
V
Bottom View
V
Description
IN
C2
A2
OUT
B2
IN
B
A
GND
SEL
EN
C1
A1
B1
Both Switches are OFF
V
V
IN
IN
A Selected
B Selected
Status
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