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RT9287A - Boost Converter

Description

The RT9287A is an integrated solution for WLED and camera power.

It contains a boost converter with internal schottky diode to provide WLED power and Dual LDO for the power of camera image sensor.

Features

  • z Boost Converter `VIN Operating Range : 2.7V to 5.5V `Up to 85% Efficiency `22V Internal Power N-MOSFET `1MHz Switching Frequency `Built-in Diode `Digital Dimming with Zero-Inrush `Input UVLO Protection `Output Over Voltage Protection `Internal Soft Start and Compensation Dual LDO `Wide Operating Voltage Ranges : 2.7V to 5.5V `Low-Noise for RF.

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Datasheet Details

Part number RT9287A
Manufacturer Richtek Technology
File Size 327.77 KB
Description Boost Converter
Datasheet download datasheet RT9287A 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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Preliminary RT9287A Boost Converter for WLED Power with Dual LDO General Description The RT9287A is an integrated solution for WLED and camera power. It contains a boost converter with internal schottky diode to provide WLED power and Dual LDO for the power of camera image sensor. In the section of boost converter, RT9287A's optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. Internal soft start function can reduce the inrush current. The initial current of WLED is set by the external resistor RSET. The feedback voltage is 250mV. z Features z Boost Converter `VIN Operating Range : 2.7V to 5.
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