GL7203 - 3W High Power White LED Driver

General 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.

Key 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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GL7203 3w high power white led driver by Gleam - Datasheet Preview

Datasheet Details

Part number	GL7203
Manufacturer	Gleam
File Size	169.03 KB
Description	3W High Power White LED Driver
Datasheet	GL7203 Datasheet

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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.