SC4538 - High Effi ciency Boost Converter

Product Overview

Semtech Corporation

Datasheet Details

Part number	SC4538
Manufacturer	Semtech Corporation
File Size	276.54 KB
Description	High Effi ciency Boost Converter
Datasheet	SC4538 Datasheet
Additional preview pages of the SC4538 datasheet.

Product details

Description

The SC4538 is designed to regulate current for a series chain of white LEDs in LCD backlighting applications where small size and high efficiency are priorities.

Features

Input voltage range.
2.8V to 5.5V Current-mode PWM control.
800kHz.
Programmable LED current up to 30mA.
Soft-start to reduce in-rush current.
PWM dimming.
100Hz to 50kHz.
Analog and filtered-PWM dimming at ISET.
Over-voltage protection.
38V (min. ) www. DataSheet4U. com.
Under-voltage lockout (UVLO).
Thermal shutdown.
Shutdown current.

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Other Datasheets by Semtech Corporation

SC453 - VID Programmed Single Phase Power Supply Controller
SC4539 - High Effi ciency Boost Converter
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SC4502 - 2MHz Step-Up Switching Regulator
SC4502H - 2MHz Step-Up Switching Regulator

Published: Nov 17, 2008 |