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HV9925 - Programmable-Current LED Lamp Driver IC

Description

The HV9925 is a pulse width modulated (PWM) high-efficiency LED driver control IC with PWM dimming capabilities.

It allows efficient operation of high brightness LED strings from voltage sources ranging up to 400VDC.

Features

  •  Programmable Output Current to 50mA  PWM Dimming / Enable  Universal 85-264VAC Operation  Fixed OFF-Time Buck Converter  Internal 500V Power MOSFET www. DataSheet4U. com  Over Temperature Protection with Hysteresis General.

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Datasheet preview – HV9925

Datasheet Details

Part number HV9925
Manufacturer Supertex
File Size 1.31 MB
Description Programmable-Current LED Lamp Driver IC
Datasheet download datasheet HV9925 Datasheet
Additional preview pages of the HV9925 datasheet.

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Full PDF Text Transcription

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HV9925 Initial Release Programmable-Current LED Lamp Driver IC with PWM Dimming Features  Programmable Output Current to 50mA  PWM Dimming / Enable  Universal 85-264VAC Operation  Fixed OFF-Time Buck Converter  Internal 500V Power MOSFET www.DataSheet4U.com  Over Temperature Protection with Hysteresis General Description The HV9925 is a pulse width modulated (PWM) high-efficiency LED driver control IC with PWM dimming capabilities. It allows efficient operation of high brightness LED strings from voltage sources ranging up to 400VDC. The HV9925 includes an internal high-voltage switching MOSFET controlled with a fixed off-time TOFF of approximately 10µs. The LED string is driven at constant current, thus providing constant light output and enhanced reliability.
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