HV9910

HV9910, open loop, current mode, control LED driver IC, SOP-8, -0.5V to +470V, 630mW

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Price:: US $1.00~50.00 / piece [Get Latest Price]

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PartNumber:: HV9910

Brand:: Supertex, Inc - Supertex | Pack: SOP | D/C: 11+

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Products Upload time: 2012-06-07

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Part Number:HV9910
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Product Summary

The HV9910 is an open loop, current mode, control LED driver IC. The HV9910BLG-G 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. The HV9910 includes a PWM dimming input that can accept an external control signal with a duty ratio of 0 - 100% and a frequency of up to a few kilohertz. The HV9910 also includes a 0 - 250mV linear dimming input which can be used for linear dimming of the LED current. The applications of the HV9910 inlcude 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 and Chargers.

Parametrics

HV9910 absolute maximum ratings: (1)VIN to GND: -0.5V to +470V; (2)VDD to GND: 12V; (3)CS, LD, PWMD, GATE, RT to GND: -0.3V to (VDD +0.3V); (4)Junction temperature range: -40 to +150℃; (5)Storage temperature rang:e -65 to +150℃; (6)Continuous power dissipation (TA = +25℃): 630mW.

Features

HV9910 features: (1)Switch mode controller for single switch LED drivers; (2)Enhanced drop-in replacement to the HV9910; (3)Open loop peak current controller; (4)Internal 8.0 to 450V linear regulator; (5)Constant frequency or constant off-time operation; (6)Linear and PWM dimming capability; (7)Requires few external components for operation.