Copyright

© ANPEC Electronics Corp.

Rev. A.4 - Oct., 2013

APL3534/A/B

www.anpec.com.tw

1

ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and

advise customers to obtain the latest version of relevant information to verify before placing orders.

Compact, Small Package 1A Power-Distribution Switches

Features

Compliant)

Applications

General Description

Simplified Application Circuit

Pin Configuration

EN 2

5 NC

VOUT 3

4 VIN

GND 1

APL3534A

SOT-23-5

ENB 2

5 NC

VOUT 3

4 VIN

GND 1

APL3534B

SOT-23-5

3 VIN

VOUT 2

GND 1

APL3534

SOT-23-3

The APL3534/A/B is a power-distribution switch with cur-

rent- limiting function and output OVP protections that can

deliver current up to 1A. The device incorporates a 110m

Ω

N-channel MOSFET power switch.

The device integrates some protection features, includ-

ing current-limit protection, output over-voltage protection,

over-temperature protection and UVLO. The current-limit

protection can protect down-stream devices from cata-

strophic failure by limiting the output current at current-

limit threshold during over-load or short-circuit events.

The output over-voltage protection can prevent current

flowing from VOUT to VIN when an abnormally high volt-

age exists in VOUT. The over-temperature protection func-

tion shuts down the N-channel MOSFET power switch

when the junction temperature rises beyond 140

o

C and

will automatically turns on the power switch when the

temperature drops by 20

o

C. The UVLO function keeps

the power switch in off state until there is a valid input

voltage present.

The device is available in lead free SOT-23-3 and

SOT-23-5 packages.

VIN

VOUT

GND

APL3534

VIN

VOUT

GND

APL3534A/B

EN/ENB