SL1571B

4.5A High Efficlency 800KHz Step-Up Converter

DESCRIPTION

The SL1571B is a high-power density, asynchronous boost

converter with a 120mΩ power switch to provide a high

efficiency and small size solution in portable systems. The

SL1571B has input voltage range from 2.6 V to 5.5 V to

support applications with different power supply. The device

has 3A switch current capability and can provide an output

voltage up to 16V.

The SL1571B also implements a soft-start function and an

adjustable switching peak current limit function.

In addition, the device provides 20V output overvoltage

protection, and thermal shutdown protection.

FEATURES

・Input voltage range: 2.6V to 5.5V

・Output voltage range: up to 16V

・Programmable switch peak current limit:

・0.1μA current consumption during shutdown

・Programmable soft start

・Output overvoltage protection (at 20V)

thermal shutdown protection

・Pb-free Packages,ESOP8

APPLICATIONS

・Chargers ・LCD Displays

・Digital Cameras ・Handheld Devices

・Portable Products

TYPICAL APPLICATION