Copyright

© ANPEC Electronics Corp.

Rev. A.1 - Feb., 2006

APW7071

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.

•

2.4V to 6V Input Voltage Range

•

400mA, Internal Switch Current

•

Up to 1MHz Switching Frequency

•

70

µA Typical No Load Quiescent Current

•

0.1

µA Typical Shutdown Current

•

Internal Soft-start

•

Available in a Tiny 6-Pin SOT-23 Package

•

Up to 87% efficiency

•

Operating Output Capacitor down to 0.1

µF

•

Over Voltage Protection included

•

Lead Free Available (RoHS Compliant)

Features

General Description

The APW7071 is a high frequency step up DC/DC

converter in a small 6 leads SOT-23 package spe-

cially designed to drive white LEDs with a constant

current. The device can drive up to 4 LEDS in a series

from one Li-Ion cell. The APW7071 is ideal for LCD

panels requiring low current and high efficiency as well

as white LED applications for cellular phone back-

lighting.

Applications

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Cellar Phones White LED Back Light

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PDAs, Handheld Computers

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Digital Still Cameras

•

MP3 Players

•

GPS Receivers

Package Pin Out

White LED DC/DC Step-Up Converter

APW7071

Package Code

C : SOT-23-6

Operating Junction Temp. Range

E : -40 to 85°C

Handling Code

TU : Tube

TR : Tape & Reel

Lead Free Code

L : Lead Free Device

Blank : Original Device

Handling Code

Temp. Range

Package Code

APW7071 C :

W71X

XXXXX - Date Code

Lead Free Code

Ordering and Marking Information

Notes: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte in plate

termination finish; which are fully compliant with RoHS and compatible with both SnPb and lead-free soldiering

operations. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J STD-020C for

MSL classification at lead-free peak reflow temperature.

SOT-23-6 (Top View)

APW7071

SW GND

SHDN

FB

1

2

3

4

5

OVP

6