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HV9910 Power Led Driver Integrated Smd

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Product Code: 82049
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HV9910 Power Led Driver Integrated Smd info

The HV9910 is a PWM high-effi ciency LED driver control IC. It allows effi cient operation of High Brightness (HB) LEDs from voltage sources ranging from 8VDC up to 450VDC. The HV9910 controls an external MOSFET at fi xed switching
frequency up to 300kHz. The frequency can be programmed using a single resistor. The LED string is driven at constant current rather than constant voltage, thus providing constant light output and enhanced reliability. The output current can be programmed between a few milliamps and up to more than 1.0A.

Features
>90% Efficiency
8V to 450V input range
Constant-current LED driver
Applications from a few mA to more than 1A Output
LED string from one to hundreds of diodes
PWM Low-Frequency Dimming via Enable pin
Input Voltage Surge ratings up to 450V

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
Automotive
Chargers

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