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YB1521 - High Power Step-Up DC-DC Converter & WLED Driver

Datasheet Summary

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.

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.

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Datasheet Details

Part number YB1521
Manufacturer YOBON TECHNOLOGIES
File Size 737.34 KB
Description High Power Step-Up DC-DC Converter & WLED Driver
Datasheet download datasheet YB1521 Datasheet
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www.DataSheet4U.com 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 need for ballast resistors.
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