BOOST IC (LED DRIVER)
BM0246A
White LED Step-Up Converter
BM0246A is a step-up DC/DC converter ¾
specifically designed to drive white LED with a constant current.
It can drive two,three,or four LEDS.
It switches at 1.
4MHz and use tiny
¾ ¾ ¾ ¾
external components.
The output capacitor can
¾
be as small as 0.
22uF,which can save space
¾
and cost versus alternative solutions.
Feedback
¾
voltage is as low as 105mV.
Built-in Over
Voltage ¾
Over
Voltage Function Fast 1.
4MHz Switching Frequency Requires Only 0.
22uF Output Capacitor Inherently Matched LED Current High Efficiency: 90% Typical 2.
5V to 16V VIN ranges Drives Up to Four series LEDs with a Li-lon cell PIN TO PIN with RT9271 and ...