FPF1048BUCX datasheet(1/3 Pages) FAIRCHILD

Part #	FPF1048BUCX

Description	Input Voltage Operating Range: 1.5 V to 5.5 V

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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February 2013

www.fairchildsemi.com

FPF1048 • Rev. 1.0.4

FPF1048

IntelliMAX™ 3 A-Capable, Slew-Rate-Controlled Load Switch

with True Reverse Current Blocking

Features

 Input Voltage Operating Range: 1.5 V to 5.5 V

 Typical RDS(ON):

-

21 mΩ at VIN=5.5 V

-

23 mΩ at VIN=4.5 V

-

41 mΩ at VIN=1.8 V

-

90 mΩ at VIN=1.5 V

 Slew Rate/Inrush Control with tR: 2.7 ms (Typ.)

 3 A Maximum Continuous Current Capability

 Low Off Switch Current: <1 µA

 True Reverse Current Blocking (TRCB)

 Logic CMOS IO Meets JESD76 Standard for GPIO

Interface and Related Power Supply Requirements

 ESD Protected:

-

Human Body Model: >8 kV

-

Charged Device Model: >1.5 kV

-

IEC 61000-4-2 Air Discharge: >15 kV

-

IEC 61000-4-2 Contact Discharge: >8 kV

Applications

 Smart Phones, Tablet PCs

 Storage, DSLR, and Portable Devices

Description

The FPF1048 advanced load management switch

targets applications requiring a highly integrated

solution. It disconnects loads powered from the DC

power rail (<6 V) with stringent off-state current targets

and high load capacitances (up to 100 µF). The

FPF1048

consists

of

slew-rate

controlled

low-

impedance MOSFET switch (23 mΩ typical) and

integrated analog features. The slew-rate controlled

turn-on characteristic prevents inrush current and the

resulting excessive voltage droop on power rails.

The FPF1048 has a True Reverse Current Blocking

(TRCB) function that obstructs unwanted reverse

current from VOUT to VIN during both ON and OFF states.

The exceptionally low off-state current drain (<1µA

maximum) facilitates compliance with standby power

requirements. The input voltage range operates from

1.5 V to 5.5 VDC to support a wide range of applications

in consumer, optical, medical, storage, portable, and

industrial-device power management. Switch control is

managed by a logic input (active HIGH) capable of

interfacing directly with low-voltage control signal /

General-Purpose Input / Output (GPIO) without an

external pull-down resistor.

The device is packaged in advanced, fully “green”

compliant, 1.0 mm x 1.5 mm, Wafer-Level Chip-Scale

Package (WLCSP) with backside lamination.

Ordering Information

Part Number

Top

Mark

Switch RON

(Typical)

at 4.5VIN

Input

Buffer

Output

Discharge

ON Pin

Activity

tR

Package

FPF1048BUCX

RA

23 mΩ

CMOS

NA

Active

HIGH

2.7 ms

6-Ball, WLCSP with

Backside Laminate, 2x3 Array,

0.5 mm Pitch, 300 µm Balls

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