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RT6218A - Step-Down Converter

Description

The RT6218A/B is a simple, easy-to-use, 2A synchronous step-down DC-DC converter with an input supply voltage range of 4.5V to 18V.

The device integrates low RDS(ON) power MOSFETs to achieve high efficiency in a SOT23 package and build-in accurate reference voltage (0.765V by product options).

Features

  • cycle-by-cycle current limit protection and prevent the device from the catastro.

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Datasheet Details

Part number RT6218A
Manufacturer Richtek
File Size 972.59 KB
Description Step-Down Converter
Datasheet download datasheet RT6218A Datasheet

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Full PDF Text Transcription

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RT6218A/B 18V, 2A, ACOTTM Step-Down Converter in 8 Pin TSOT-23 General Description The RT6218A/B is a simple, easy-to-use, 2A synchronous step-down DC-DC converter with an input supply voltage range of 4.5V to 18V. The device integrates low RDS(ON) power MOSFETs to achieve high efficiency in a SOT23 package and build-in accurate reference voltage (0.765V by product options). The RT6218A/B adopts Advanced Constant On-Time (ACOTTM) control architecture to provide an ultrafast transient response with few external components and to operate in nearly constant switching frequency over the line, load, and output voltage range. The RT6218A operates in automatic PSM that maintains high efficiency during light load operation.
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