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RT6264B - Buck Converter

This page provides the datasheet information for the RT6264B, a member of the RT6264A Buck Converter family.

Description

The RT6264A/B is a simple, easy-to-use, 4A synchronous step-down DC-DC converter with an input supply voltage range of 4.5V to 18V.

The device possesses an accurate 0.765V reference voltage and integrates low RDS(ON) power MOSFETs to achieve high efficiency.

Features

  • cycle-by-cycle current limit protection to prevent the device from the catastrophic damage in output short circuit, over-current or inductor saturation conditions. A built-in soft-start function prevents inrush current during start-up. The device also includes input under-voltage lockout, output under-voltage protection, and over-temperature protection (thermal shutdown) to provide safe and smooth operation in all operating conditions. The recommended junction temperature range is.
  • 40C.

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Datasheet preview – RT6264B

Datasheet Details

Part number RT6264B
Manufacturer Richtek
File Size 1.03 MB
Description Buck Converter
Datasheet download datasheet RT6264B Datasheet
Additional preview pages of the RT6264B datasheet.

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Full PDF Text Transcription

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RT6264A/B 18V Input, 4A, ACOT® Buck Converter with Both FETs OC Protection General Description The RT6264A/B is a simple, easy-to-use, 4A synchronous step-down DC-DC converter with an input supply voltage range of 4.5V to 18V. The device possesses an accurate 0.765V reference voltage and integrates low RDS(ON) power MOSFETs to achieve high efficiency. The RT6264A/B adopts Advanced Constant On-Time (ACOT® ) 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 RT6264A operates in automatic PSM that maintains high efficiency during light load operation.
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