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RT8565 - 6 WLEDs Driver

Datasheet Summary

Description

The RT8565 is a high efficiency LED driver IC capable of driving 6 LEDs.

The RT8565 integrates 26V/0.9A power switch with an internal Schottky diode.

The RT8565 is a current mode boost converter which is fixed at 600kHz operating frequency and has a wide input voltage range from 2.8V to 4.5V.

Features

  • z Internal Schottky Diode z Internal Soft-Start and Compensation z 200mV Reference Voltage z 64-Step Pulse Dimming z Open LED Protection z Internally Set Over Voltage Protection z Over Temperature Protedtion z Current Limit Protection z RoHS Compliant and Halogen Free.

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Datasheet preview – RT8565

Datasheet Details

Part number RT8565
Manufacturer Richtek
File Size 197.61 KB
Description 6 WLEDs Driver
Datasheet download datasheet RT8565 Datasheet
Additional preview pages of the RT8565 datasheet.

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Full PDF Text Transcription

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RT8565 Small Package, High Performance, Diode Embedded, Asynchronous Boost, 6 WLEDs Driver General Description The RT8565 is a high efficiency LED driver IC capable of driving 6 LEDs. The RT8565 integrates 26V/0.9A power switch with an internal Schottky diode. The RT8565 is a current mode boost converter which is fixed at 600kHz operating frequency and has a wide input voltage range from 2.8V to 4.5V. The LED current is set with an external resistor and the feedback voltage is regulated to 200mV. During operation, an internal 6-bit DAC is used for brightness control. Users can easily configure up to 64 steps of LED current via the EN pin. During brightness dimming, the RT8565 does not burst the LED current. Therefore, no audible noises are generated on the output capacitor.
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