SC4505 Datasheet - Semtech Corporation

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SC4505 High Efficiency Boost Converter

SC4505 High Efficiency Boost Converter for Backlight/Flash LED Driver POWER MANAGEMENT .
The SC4505 is a high-frequency PWM current-mode stepup switching regulator with an integrated 2A power transistor.

SC4505_SemtechCorporation.pdf

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Datasheet Details

Part number:

SC4505

Manufacturer:

Semtech Corporation

File Size:

410.41 KB

Description:

High Efficiency Boost Converter

Features

* Two independent current sources for dual LED strands with optimal current/light matching. Backlight up to 75mA, Flash up to 125mA Wide input range from 2.6V to 12V Adaptive output voltage up to 28V with OVP protection against open circuit conditions Low shutdown current (

Applications

* White LED power supplies Flat screen LCD bias supplies TFT bias supplies Dual panel Handset/Liquid Crystal Display Monitor Portable media players Digital video cameras Digital still cameras Boost Converter Efficiency vs Input Voltage (2 String of 3 LEDs @30mA) 87 Typical Application C

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