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YB1521
High Power Step-Up DC-DC Converter & WLED Driver
Features
2.
5V to 5.
5V Input
Voltage Range Built In Power
MOSFET Drive Up to 15V @400mA at 5V Vin Less than 1µA Shutdown Current Up to 94% efficiency Over
Voltage Protection@18V UVLO, Thermal Shutdown Internal 1.
6A Current Limit 200mv Low Reference
Voltage Built In Soft Start PWM Dimming SOT23-5 Package Green Package (RoHS) Available
Description
The YB1521 is a step-up DC-DC converter which operating as current source to drive up 45 white LEDs (3S15P) in parallel / series configuration from a 5V system rail.
Series connecting of LEDs provides identical LED currents resulting in uniform brightness and eliminating the...