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RT9363A - 3 Channels 90mA x1/x2 Charge Pump White LED Driver

Description

The RT9363A is a compact, high efficient and highly integrated charge pump white LED driver.

It maintains the highest efficiency by utilizing a x1/x2 fractional charge pump and low dropout current regulators.

Features

  • z z z z z z z z z z z z z z z Over 80% Average Efficiency Over Battery Life Support Up to 3 White LEDs 80mV Typical Current Source Dropout Support Up to 90mA Output Current 1% Typical LED Current Accuracy 0.7% Typical LED Current Matching Soft Start Function Automatic Charge Pump Mode Selection 1MHz Random Frequency Oscillator Over Voltage Protection 16-Step Brightness Control Low Input Noise and EMI Low 1uA Shutdown Current Flexible Current Setting RoHS Compliant and 100% Lead (Pb)-Free Appli.

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Datasheet Details

Part number RT9363A
Manufacturer Richtek
File Size 203.60 KB
Description 3 Channels 90mA x1/x2 Charge Pump White LED Driver
Datasheet download datasheet RT9363A Datasheet
Additional preview pages of the RT9363A datasheet.

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Full PDF Text Transcription

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RT9363A 3 Channels 90mA x1/x2 Charge Pump White LED Driver General Description The RT9363A is a compact, high efficient and highly integrated charge pump white LED driver. It maintains the highest efficiency by utilizing a x1/x2 fractional charge pump and low dropout current regulators. The RT9363A supports up to 3 white LEDs and regulates a constant current for uniform intensity. The part implements a 4-bit DAC for brightness control. Users can select external RSET or internal RSET by ISET pin. The dimming of white LEDs' current can be achieved by applying a pulse signal to the EN pin. There are totally 16 steps of current could be set by users. The part can support 15mA to 30mA for the 100% current setting.
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