FPF2505 datasheet, PDF - EEWORLD Datasheet

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FPF2505: DescriptionIC LOAD SWITCH FIX CURR SOT23-5; Categorysemiconductor Power management; File Size568KB，13 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn; Environmental Compliance

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FPF2505 Overview

IC LOAD SWITCH FIX CURR SOT23-5

FPF2505 Parametric

Parameter Name	Attribute value
Switch type	Universal
Number of outputs	1
Ratio - Input:Output	1：1
Output configuration	high-end
Output type	N channel
interface	switch
Voltage - Load	4.5 V ~ 20 V
Voltage - Power Supply (Vcc/Vdd)	unnecessary
Current - Output (maximum)	1.2A
On-resistance (typ.)	230 milliohms
input type	non-inverting
characteristic	Automatic restart, status flags
failsafe	Current limit (fixed), over temperature, UVLO
Operating temperature	-40°C ~ 85°C（TA）
Package/casing	SC-74A，SOT-753
Supplier device packaging	SOT-23-5

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FPF2500-FPF2506 IntelliMAX™ Advanced Load Management Products

January 2008

FPF2500-FPF2506

IntelliMAX™ Advanced Load Management Products

Features

4.5 to 20V Input Voltage Range

Controlled Turn-On

0.4A, 0.8A and Adjustable Current Limit Option

Undervoltage Lockout

Thermal Shutdown

<10µA Shutdown Current

Auto Restart

Fault Blanking

RoHS Compliant

General Description

The FPF2500 through FPF2506 is a family of load switches

which provide full protection to systems and loads which may

encounter large current conditions. These devices contain a

0.23Ω current-limited N-channel MOSFET which can operate

over an input voltage range of 4.5-20V. Switch control is by a

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

control signals. Each part contains thermal shutdown protection

which shuts off the switch to prevent damage to the part when a

continuous over-current condition causes excessive heating.

When the switch current reaches the current limit, the part

operates in a constant-current mode to prohibit excessive

currents from causing damage. For the FPF2500, FPF2501,

FPF2503 and FPF2505, if the constant current condition still

persists after 5ms, these parts will shut off the switch and, for

the FPF2503 and FPF2505, the fault signal pin (FLAGB) will be

pulled low. The FPF2500, FPF2503, and FPF2505, have an

auto-restart feature which will turn the switch on again after

640ms if the ON pin is still active. The FPF2501 does not have

this auto-restart feature so the switch will remain off until the ON

pin is cycled. For the FPF2502, FPF2504 and FPF2506, 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 FPF2500

through FPF2502, the minimum current limit is adjustable from

500mA to 2A. For the FPF2503 and FPF2504 the minimum

current is internally fixed at 400mA while that for the FPF2505

and FPF2506 is internally fixed at 800mA.

These parts are available in a space-saving 5 pin SOT23

package.

Applications

PDAs

Motor Drivers

Cell Phones

Digital Cameras

Ordering Information

Part

FPF2500

FPF2501

FPF2502

FPF2503

FPF2504

FPF2505

FPF2506

Current Limit [A]

Adjustable (0.5-2.0 +/-30%)

0.4/0.6/0.8

0.8/1.2/1.6

Current Limit

Blanking Time

[ms]

2.5/5/10

Auto-Restart

Time

[ms]

320/640/1280

Fault Pin

Yes

FPF2500-FPF2506 Rev. G

www.fairchildsemi.com

FPF2505 Related Products

	FPF2505	FPF2500	FPF2501	FPF2502	FPF2503	FPF2504	FPF2506
Description	IC LOAD SWITCH FIX CURR SOT23-5	IC LOAD SWITCH ADJ CURR SOT23-5	IC LOAD SWITCH ADJ CURR SOT23-5	IC LOAD SWITCH ADJ CURR SOT23-5	IC LOAD SWITCH FIX CURR SOT23-5	IC LOAD SWITCH FIX CURR SOT23-5	IC LOAD SWITCH FIX CURR SOT23-5
Switch type	Universal	Universal	Universal	Universal	Universal	Universal	Universal
Number of outputs	1	1	1	1	1	1	1
Ratio - Input:Output	1：1	1：1	1：1	1：1	1：1	1：1	1：1
Output configuration	high-end	high-end	high-end	high-end	high-end	high-end	high-end
Output type	N channel	N channel	N channel	N channel	N channel	N channel	N channel
interface	switch	switch	switch	switch	switch	switch	switch
Voltage - Load	4.5 V ~ 20 V	4.5 V ~ 20 V	4.5 V ~ 20 V	4.5 V ~ 20 V	4.5 V ~ 20 V	4.5 V ~ 20 V	4.5 V ~ 20 V
Voltage - Power Supply (Vcc/Vdd)	unnecessary	unnecessary	unnecessary	unnecessary	unnecessary	unnecessary	unnecessary
Current - Output (maximum)	1.2A	2A	2A	2A	600mA	600mA	1.2A
On-resistance (typ.)	230 milliohms	230 milliohms	230 milliohms	230 milliohms	230 milliohms	230 milliohms	230 milliohms
input type	non-inverting	non-inverting	non-inverting	non-inverting	non-inverting	non-inverting	non-inverting
characteristic	Automatic restart, status flags	With automatic restart function	-	-	Automatic restart, status flags	status flag	status flag
failsafe	Current limit (fixed), over temperature, UVLO	Current limit (adjustable), over temperature, UVLO	Current limit (adjustable), over temperature, UVLO	Current limit (adjustable), over temperature, UVLO	Current limit (fixed), over temperature, UVLO	Current limit (fixed), over temperature, UVLO	Current limit (fixed), over temperature, UVLO
Operating temperature	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）	-40°C ~ 85°C（TA）
Package/casing	SC-74A，SOT-753	SC-74A，SOT-753	SC-74A，SOT-753	SC-74A，SOT-753	SC-74A，SOT-753	SC-74A，SOT-753	SC-74A，SOT-753
Supplier device packaging	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5	SOT-23-5

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