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GL7203 - 3W High Power White LED Driver

Description

The GL7203 is a set-up DC-DC converter that delivers a regulated output current.

the device switches at a 1.0MHz contant frequency, allowing for the use of small value external inductor and ceramic capacitors.

Features

  • LED Power Efficiency: up tp 90% Current Accuracy: ±5%(VIN=3.6 to 1.8V @VF=3.7V) Low Start-Up voltage: 0.9V (ILED=270mA) Low Hold Voltage: 0.75V (ILED.

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Datasheet preview – GL7203

Datasheet Details

Part number GL7203
Manufacturer Gleam
File Size 169.03 KB
Description 3W High Power White LED Driver
Datasheet download datasheet GL7203 Datasheet
Additional preview pages of the GL7203 datasheet.

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Full PDF Text Transcription

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Gleam Power Management GL7203 3W High Power White LED Driver Description The GL7203 is a set-up DC-DC converter that delivers a regulated output current. the device switches at a 1.0MHz contant frequency, allowing for the use of small value external inductor and ceramic capacitors. The GL7203 is targeted to be used for driving loads up to 1A from a two-cell alkaline battery. The LED current can be programmed by the external current sense resistor, Rs. connected between the feedback pin (FB) and ground. A low 95mV feedback voltage reduces the power loss in the Rs for better efficiency. With its internal 2A. 100mΩ NMOS switch, the device can provide high efficiency even at heavy load.
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