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SC4539 Dataheets PDF



Part Number SC4539
Manufacturers Semtech Corporation
Logo Semtech Corporation
Description High Effi ciency Boost Converter
Datasheet SC4539 DatasheetSC4539 Datasheet (PDF)

SC4539 High Efficiency Boost Converter for up to 6 LEDS POWER MANAGEMENT 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 — <1μA „ Ultra-thin package — 2mm x 2mm x 0.6mm „ Lead-free package, .

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