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RT9302 - 60mA 3-Channel Pulse Dimming Current Source LED Driver

General Description

The RT9302 is a high performance constant current driver for white LED.

It supports up to 3 white LEDs and regulates a constant current for uniform intensity.

Each channel supports up to 20mA output current with 1% typical current accuracy and 0.7% typical current matching.

Key Features

  • z Support Up to 3 White LEDs z Output Current up to 20mA Each Channel z Support Pulse and PWM Dimming z 40mV Typical Current Source Dropout z 1% Typical LED Current Accuracy z 0.7% Typical LED Current Matching z 16-Step Brightness Control z Low Noise and EMI z Low Shutdown Current 4μA Typical z RoHS Compliant and 100% Lead (Pb)-Free.

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Datasheet Details

Part number RT9302
Manufacturer Richtek
File Size 126.58 KB
Description 60mA 3-Channel Pulse Dimming Current Source LED Driver
Datasheet download datasheet RT9302 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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RT9302 60mA 3-Channel Pulse Dimming Current Source LED Driver General Description The RT9302 is a high performance constant current driver for white LED. It supports up to 3 white LEDs and regulates a constant current for uniform intensity. Each channel supports up to 20mA output current with 1% typical current accuracy and 0.7% typical current matching. The RT9302 provides a 16-step brightness dimming control. The LED current can be easily configured from 1.25mA to 20mA. The dimming of white LEDs' current can be achieved by applying a pulse signal to the EN pin. The LED current can be turned off by EN pin with pull low for 20μs or longer. The typical leakage current is 4μA while shutdown condition. RT9302 is available in a TSOT-23-8 package (1.0mm maximum height).