SC441 High Effi ciency Integrated Driver

Semtech Corporation

Description

SC441 High Efficiency Integrated Driver for 4-Strings of 150mA LEDs POWER MANAGEMENT .
The SC441 is a high-efficiency multiple string WLED driver with an integrated boost converter.

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Datasheet Specifications

Part number: SC441
Manufacturer: Semtech Corporation
File Size: 95.08 KB
Datasheet: SC441_SemtechCorporation.pdf
Description: High Effi ciency Integrated Driver

Features

* Wide input voltage range from 4.5V to 21V
* 36V maximum output voltage
* Drives up to 40 WLEDs in 4 strings
* Programmable LED current for up to 150mA per string
* +/- 2% string-to-string current matching
* Up to 90% efficiency
* Wide 0.2% to 100% PWM

Applications

* Medium-sized LCD panel Notebook Display
* Automotive Car Navigation Display
* Sub-Notebook and Tablet Computer Displays
* Portable Media Players Typical Application Circuit Vin (4.5V -21V) 1 2 VIN EN FFLAG OVPRTN PWM SW SW VOUT OVPIN OVPIN 4 Strings SC4

SC441 Distributors

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SC441 High Effi ciency Integrated Driver Semtech Corporation

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