SC4539 - High Effi ciency Boost Converter

Name: SC4539
SKU: SC4539-627939

Semtech Corporation

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SC4539 Datasheet Preview — Preview of SC4539 PDF

Datasheet Details

Part number	SC4539
Manufacturer	Semtech Corporation
File Size	286.07 KB
Description	High Effi ciency Boost Converter
Datasheet	SC4539_SemtechCorporation.pdf

SC4539 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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Published: Nov 17, 2008 |