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GM2102 - CONSTANT CURRENT DC/DC WHITE LED DRIVER

General Description

The GM2102 is a member of Gamma Microelectronics’s family of white LED drivers.

The GM2102 is a fixed frequency step-up DC/DC converter designed to operate as a constant-current source.

Key Features

  • Drives Six White LED’s from 1.8 V 1.2Mhz Fixed Frequency Switching Minimum operating input voltage 1.2V 90% efficiency Accurately adjustable LED current Current Regulation even when Vin > Vout Disconnects LED’s in Shutdown mode Available in SOT23 Package ideal for space conscious portable.

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Datasheet Details

Part number GM2102
Manufacturer Gamma
File Size 226.74 KB
Description CONSTANT CURRENT DC/DC WHITE LED DRIVER
Datasheet download datasheet GM2102 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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www.DataSheet4U.com PRELIMINARY GM2102 CONSTANT CURRENT DC/DC WHITE LED DRIVER GENERAL DESCRIPTION The GM2102 is a member of Gamma Microelectronics’s family of white LED drivers. The GM2102 is a fixed frequency step-up DC/DC converter designed to operate as a constant-current source. It is ideal for driving light emitting diodes (LEDs) whose light intensity is proportional to the current passing through them and not on the voltage across their terminals as it directly regulates the output current. The wide input voltage range allows the device to work from a variety of input sources. A single external resistor sets LED current between 5mA and 40mA, which can then be easily adjusted using either a DC voltage or a PWM signal.