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SC4539

Semtech Corporation
Part Number SC4539
Manufacturer Semtech Corporation
Title High Effi ciency Boost Converter
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 ...
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 — 2...

Datasheet PDF File SC4539 Datasheet

SC4539   SC4539   SC4539  




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