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BM0123A

Bookly
Part Number BM0123A
Manufacturer Bookly
Description Inherently Matched LED Current driver chip
Published Jun 16, 2015
Detailed Description BOOKLY Features z Inherently Matched LED Current driver chip z High Efficiency:83% z Drives Up to Five LEDs from 2.2V Su...
Datasheet PDF File BM0123A PDF File

BM0123A
BM0123A

Overview
BOOKLY Features z Inherently Matched LED Current driver chip z High Efficiency:83% z Drives Up to Five LEDs from 2.
2V Supply z 17V Over Voltage Protection z Fast 1.
4MHz Switching Frequency z Requires Only 1μF Output Capacitors z SOT-23-6 Package BM0123A Applications z Communication equipment z White LED Backlight Display for PDA z Pocket PC z Handheld Devices z GPS, portable DVD, digital-frame z White LED display backlighting General Description The BM0123A is a step-up DC/DC converter specifically designed to drive up to 5 series white LEDs with constant current.
Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminates the need for ballast resistors.
The BM0123A switches at 1.
4MHz, allowing the use of tiny external components.
A low 0.
255V feedback voltage minimizes power loss in the current setting resistor for high efficiency.
The OVP pin monitors the output voltage and turns off the converter whenever the LEDs are open.
The BM0...


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