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RT6263B - Buck Converter

This page provides the datasheet information for the RT6263B, a member of the RT6263A Buck Converter family.

Description

The RT6263A/B is a simple, easy-to-use, 3A synchronous step-down DC-DC converter with an input supply voltage range of 4.5V to 17V.

The device possesses an accurate 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. The RT6263A/B offers programmable start-up by connecting a capacitor at external SS pin. The device also includes input under-voltage lockout, output under-voltage protection, and over-temperature protection (OTP) to provide safe and smooth operation in all operating conditions. The recommended junction temperature range is.
  • 4.

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Datasheet preview – RT6263B

Datasheet Details

Part number RT6263B
Manufacturer Richtek
File Size 949.01 KB
Description Buck Converter
Datasheet download datasheet RT6263B Datasheet
Additional preview pages of the RT6263B datasheet.

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Full PDF Text Transcription

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RT6263A/B 17V Input, 3A, ACOT® Buck Converter with Both FETs OC Protection General Description The RT6263A/B is a simple, easy-to-use, 3A synchronous step-down DC-DC converter with an input supply voltage range of 4.5V to 17V. The device possesses an accurate reference voltage and integrates low RDS(ON) power MOSFETs to achieve high efficiency. The RT6263A/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 RT6263A operates in automatic PSM that maintains high efficiency during light load operation. The RT6263B operates in Forced PWM that helps meet tight voltage regulation accuracy requirements.
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