QX9920 Buck Type High-power LED Driver

QXMD

Description

QX9920 Buck Type High-power LED Driver General .
QX9920 is a highly stable and reliable constant-current LED driver with high efficiency.

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Datasheet Specifications

Part number: QX9920
Manufacturer: QXMD
File Size: 371.40 KB
Datasheet: QX9920-QXMD.pdf
Description: Buck Type High-power LED Driver

Features

* Wide Range Input Voltage:2.5V to 100V
* High Efficiency: Up to 90%
* Maximum Operating Frequency: 1MHz
* UVLO Voltage: 2.5V
* Peak Current Sense Voltage: 250mV
* Adjustable Luminance With PWM Signal Applied to EN Pin
* Adjustable Off-time
* Internal Current Sampling

Applications

* LED Backlight of Flat Panel Display
* Bike Light
* LED Spotlight
* Very Bright Flashlight Typical Application VIN DFW L1 R1 CIN DZ CVDD VDD DRV EN QX9920 TOFF VSS CS COFF RCS QX9920_DS02EN Figure 1：Typical Application Circuit Diagram of QX9920 QX Micro Devices Co. , Lt

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QX9920 Buck Type High-power LED Driver QXMD

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