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RT9284B - Constant Current Switching Regulator

This page provides the datasheet information for the RT9284B, a member of the RT9284A Constant Current Switching Regulator family.

Description

The RT9284A/B is a compact, high efficient and high integration LED driver.

Internal 22V MOSFET can support 2 to 5 White LEDs for backlighting and camera flashing.

Highly integration and internal compensation network minimizes as 5 external component counts.

Features

  • z VIN Operating Range : 2.7V to 5.5V z Maximum Output Voltage up to 20V z Dimming with Zero-inrush and Wide Frequency Range z Over Voltage Protection z Output Current up to 100mA at VOUT = 12V. z Zero Shutdown Supply Current z Minimize the External Component z Small LC Filter z Internal Soft Start z RoHS Compliant and 100% Lead (Pb)-Free Ordering Information.

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Datasheet preview – RT9284B

Datasheet Details

Part number RT9284B
Manufacturer Richtek Technology
File Size 260.18 KB
Description Constant Current Switching Regulator
Datasheet download datasheet RT9284B Datasheet
Additional preview pages of the RT9284B datasheet.

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Full PDF Text Transcription

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RT9284A/B Tiny Package, High Performance, Constant Current Switching Regulator for White LED General Description The RT9284A/B is a compact, high efficient and high integration LED driver. Internal 22V MOSFET can support 2 to 5 White LEDs for backlighting and camera flashing. Highly integration and internal compensation network minimizes as 5 external component counts. 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. Tiny package type of TSOT-23-5 and TSOT-23-6 packages provide the best solution for PCB space saving and total BOM cost. Features z VIN Operating Range : 2.7V to 5.
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