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HV9910 Datasheet PDF

Part Series:HV9910 Series
Category:LED Drivers
Description:LED Driver 9V/12V/15V/18V/24V 8Pin SOIC N T/R
Document:HV9910BLG-G Datasheet PDF (77 Pages)

HV9910 Datasheet PDF LED Drivers

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HV9910BLG-G - Microchip Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
25kHz, 100kHz
Number of Pins
8 Pin
Case/Package
SOIC-8
Number of Outputs
1 Output
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HV9910BLG-G - Microchip Function Overview

The HV9910BLG-G is an open loop current mode Control LED Driver IC programmed to operate in either a constant frequency or constant off-time mode. It includes an 8 to 450V linear regulator allows it to work from a wide range of input voltages without the need for an external low voltage supply. The HV9910B includes a PWM dimming input that can accept an external control signal with a duty ratio of 0 to 100% and a frequency of up to a few kilohertz. It also includes a 0 to 250mV linear dimming input which can be used for linear dimming of the LED current. The HV9910B is ideally suited for buck LED drivers. Since the HV9910B operates in open loop current mode control, the controller achieves good output current regulation without the need for any loop compensation. PWM dimming response is limited only by the rate of rise and fall of the inductor current, enabling very fast rise and fall times.
Switch mode controller for single switch LED drivers
Enhanced drop-in replacement to the HV9910
Open loop peak current controller
Linear and PWM dimming capability
Requires few external components for operation
Low internal noise
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