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HV9910B

Microchip
Part Number HV9910B
Manufacturer Microchip
Description Universal High-Brightness LED Driver
Published Jan 3, 2017
Detailed Description HV9910B Universal High-Brightness LED Driver Features • Switch mode controller for single switch LED drivers • Enhanced...
Datasheet PDF File HV9910B PDF File

HV9910B
HV9910B

Overview
HV9910B Universal High-Brightness LED Driver Features • Switch mode controller for single switch LED drivers • Enhanced drop-in replacement to the HV9910 • Open loop peak current controller • Internal 8.
0 to 450V linear regulator • Constant frequency or constant off-time operation • Linear and PWM dimming capability • Requires few external components for operation Applications • DC/DC or AC/DC LED driver applications • RGB backlighting LED driver • Back lighting of flat panel displays • General purpose constant current source • Signage and decorative LED lighting • Chargers Description HV9910B is an open loop, current mode control, LED driver IC.
This IC can be programmed to operate in either a constant frequency or constant off-time mode.
It includes an 8.
0 - 450V linear regulator which allows it to work from a wide range of input voltages without the need for an external low voltage supply.
HV9910B includes a PWM-dimming input that can accept an external c...


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