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FPF1203 Datasheet PDF
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August 2016
FPF1203 / FPF1203L / FPF1204 / FPF12045
IntelliMAXUltra-Small, Slew-Rate-Controlled Load Switch
Features
1.2 V to 5.5 V Input Voltage Operating Range
Typical RON:
45 mΩ at VIN=5.5 V
55 mΩ at VIN=3.3 V
90 mΩ at VIN=1.8 V
185 mΩ at VIN=1.2 V
Slew Rate Control with tR:
FPF1203/FPF1203l/FPF1204: 100 µs
FPF12045: 2 µs
Output Discharge Function on FPF1204 / 45
Low <1.5 µA Quiescent Current
ESD Protected: Above 7 kV HBM, 2 kV CDM
GPIO / CMOS-Compatible Enable Circuitry
4-Bump, WLCSP 0.76 mm x 0.76 mm,
0.4 mm Pitch
Description
The FPF1203 / 03L / 04 / 45 are ultra-small integrated
IntelliMAXload switches with integrated P-channel
switch and analog control features. Integrated slew-
rate control prevents inrush current and the resulting
excessive voltage drop on the power rail. The input
voltage range operates from 1.2 V to 5.5 V to provide
power-disconnect capability for post-regulated power
rails in portable and consumer products. The low shut-
off current allows power designs to meet standby and
off-power drain specifications.
The FPF120x are controlled by a logic input (ON pin)
compatible with standard CMOS GPIO circuitry found
on Field Programmable Gate Array (FPGA) embedded
processors. The FPF120x are available in 0.76 mm x
0.76 mm 4-bump WLCSP.
Applications
Mobile Devices and Smart Phones
Portable Media Devices
Tablet PCs
Advanced Notebook, UMPC, MID
Portable Medical Devices
GPS and Navigation Equipment
Ordering Information
Part Number
Top
Mark
FPF1203UCX
FPF1203LUCX
FPF1204UCX
FPF1204UCX_F013
(Amkor Assembly Only)
FPF1204BUCX
(Backside Laminate)
FPF12045UCX
QL
QP
QM
QM
QM
NC
Switch
(Typical)
at 3.3VIN
55
55
55
55
55
55
Output
ON Pin
Discharge Activity
tR
Package
NA
NA
65 Ω
65 Ω
65 Ω
65 Ω
Active HIGH
Active LOW
Active HIGH
Active HIGH
Active HIGH
100 µs
100 µs
100 µs 4-Bump, Wafer-Level Chip-
Scale Package (WLCSP),
100 µs 0.76 mm x 0.76 mm,
0.4 mm Pitch
100 µs
Active HIGH 2 µs
© 2011 Fairchild Semiconductor Corporation
FPF1203 / FPF1203L / FPF1204 / FPF12045 • Rev. 1.14
www.fairchildsemi.com

Total : 12 Pages
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