SC4538 - High Effi ciency Boost Converter

Name: SC4538
SKU: SC4538-627938

Semtech Corporation

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SC4538 Datasheet Preview — Preview of SC4538 PDF

Datasheet Details

Part number	SC4538
Manufacturer	Semtech Corporation
File Size	276.54 KB
Description	High Effi ciency Boost Converter
Datasheet	SC4538_SemtechCorporation.pdf

SC4538 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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Published: Nov 17, 2008 |