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RT6273A - Buck Converter

Description

The RT6273A/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

  • 3A Converter Integrated 95m and 50m FETs.
  • Continuous Current.
  • TSOT-23-6 (FC) : 3A.
  • SOT-563 (FC) : 2A.
  • Input Supply Voltage Range : 4.5V to 17V.
  • Output Voltage Range : 0.765V to 7V.
  • Advanced Constant On-Time (ACOT® ) Control.
  • Ultrafast Transient Response.
  • Optimized for Low-ESR Ceramic Output Capacitors.
  • High Accuracy Feedback Reference Voltage : Typ.  1%.
  • Optional for Operation Modes :.
  • RT6273A : Power Saving Mode (PSM).
  • RT6273B.

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Datasheet preview – RT6273A

Datasheet Details

Part number RT6273A
Manufacturer Richtek
File Size 1.33 MB
Description Buck Converter
Datasheet download datasheet RT6273A Datasheet
Additional preview pages of the RT6273A datasheet.

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Full PDF Text Transcription

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RT6273A/B 17V Input, 3A, ACOT® Buck Converter with Both FETs OC Protection General Description The RT6273A/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 RT6273A/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 RT6273A operates in automatic PSM that maintains high efficiency during light load operation. The RT6273B operates in Forced PWM that helps meet tight voltage regulation accuracy requirements.
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