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RT6218B - Step-Down Converter

Download the RT6218B datasheet PDF. This datasheet also covers the RT6218A variant, as both devices belong to the same step-down converter family and are provided as variant models within a single manufacturer datasheet.

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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (RT6218A-Richtek.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number RT6218B
Manufacturer Richtek
File Size 972.59 KB
Description Step-Down Converter
Datasheet download datasheet RT6218B Datasheet

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Other Datasheets by Richtek

Part Number Description
RT6218A Step-Down Converter
RT6210 350kHz Synchronous Step-Down Converter
RT6211A Step-Down Converter
RT6211B Step-Down Converter
RT6212A Step-Down Converter

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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