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.) Under-voltage lockout (UVLO) Thermal shutdown Shutdown current —
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