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RP1364A - 4 Channels 100mA x1/x1.5/x2 Charge Pump White LED Driver

Description

The RP1364A is a 4 channel WLED driver with auto mode selection of x1, x1.5 and x2 mode with low dropout voltage in current sources.

The RP1364A can power up to 4 white LEDs with regulated constant current for uniform intensity.

Each channel (LED1 to LED4) can support up to 25mA.

Features

  • Efficiency Up to 93% Over Li-ion Battery Discharge Typical 85% Average Efficiency Over Li-ion Battery Discharge Support Up to 4 White LEDs Support Up to 25mA/Per Channel Support Up to 100mA Output Current Flexible 16-step Brightness Control 60mV Typical Current Source Dropout 1% Typical LED Current Accuracy 0.7% Typical LED Current Matching Automatic x1/x1.5/x2 Charge Pump Mode Transition Low Input Noise and EMI Charge Pump 5V Over Voltage Protection Power On/Mode Transition In-rush Protection 1.

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Datasheet Details

Part number RP1364A
Manufacturer RICHPOWER
File Size 292.82 KB
Description 4 Channels 100mA x1/x1.5/x2 Charge Pump White LED Driver
Datasheet download datasheet RP1364A Datasheet

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Full PDF Text Transcription

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Preliminary RP1364A 4 Channels 100mA x1/x1.5/x2 Charge Pump White LED Driver General Description The RP1364A is a 4 channel WLED driver with auto mode selection of x1, x1.5 and x2 mode with low dropout voltage in current sources. The RP1364A can power up to 4 white LEDs with regulated constant current for uniform intensity. Each channel (LED1 to LED4) can support up to 25mA. The part maintains highest efficiency by utilizing x1/x1.5/ x2 fractional charge pump and low dropout current regulators. An internal 5-bit DAC is used for brightness control. Users can easily configure up to 16-step of LED current by enable pin. The RP1364A is available in a WQFN-16L 3x3 package. Small 0.22uF capacitors can be used for fly capacitors.
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