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©2008 Fairchild Semiconductor Corporation

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www.fairchildsemi.com

February 2009

FPF2213-FPF2215 Rev. C

FPF2213-FPF2215

Integrated Load Switch with Adjustable High Precision Current Limit

Features

1.8 to 5.5V Input Voltage Range

100-250mA (min) Adjustable Current Limit

5% Current Limit Tolerance @ 250mA (min)

72

(typ) Output Discharge Resistance

ESD Protected, Above 8000V HBM and 2000V CDM

Applications

PDAs

Cell Phones

GPS Devices

MP3 Players

Digital Cameras

Peripheral Ports

Notebook Computer

General Description

load switches with high precision current limit value. The input

voltage range operates from 1.8V to 5.5V to fulfill today's Ultra

Portable Device's supply requirement. Switch control is by a

logic input (ON) capable of interfacing directly with low voltage

control signal. On-chip pull-down is available for output quick

discharge when switch is turned off.

For the FPF2214, if the constant current condition still persists

after 30ms, these parts will shut off the switch and pull the fault

signal pin (FLAGB) low. The FPF2213 has an auto-restart

feature, which will turn the switch on again after 450mS if the

ON pin is still active. The FPF2214 do not have this auto-restart

feature so the switch will remain off until the ON pin is cycled.

For the FPF2215, a current limit condition will immediately pull

the fault signal pin low and the part will remain in the constant-

current mode until the switch current falls below the current

limit. For the FPF2213 through FPF2215, the current limit is set

by an external resistor and the minimum current limit is 100mA.

Ordering Information

Part

Current Limit

(mA)

Current Limit

Blanking Time

(mS)

Auto-Restart Time

(mS)

ON Pin

Activity

FPF2213

100-250

30

450

Active HI

FPF2214

100-250

30

NA

Active HI

FPF2215

100-250

NA

NA

Active HI

BOTTOM

TOP

Pin 1