SC4539 - High Effi ciency Boost Converter

Product Overview

Semtech Corporation

Datasheet Details

Part number	SC4539
Manufacturer	Semtech Corporation
File Size	286.07 KB
Description	High Effi ciency Boost Converter
Datasheet	SC4539 Datasheet
Additional preview pages of the SC4539 datasheet.

Product details

Description

The SC4539 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.
PWM dimming at ISET.
Analog and filtered.
Over-voltage protection.
25V (max. ) 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
SC4538 - High Effi ciency Boost Converter
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SC4501 - 2MHz Step-Up Switching Regulator
SC4502 - 2MHz Step-Up Switching Regulator
SC4502H - 2MHz Step-Up Switching Regulator

Published: Nov 17, 2008 |