Part RT6273A
Description Buck Converter
Manufacturer Richtek
Size 1.33 MB
Richtek

RT6273A Overview

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.

Key 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%
  • Fixed Switching Frequency : 1.4MHz
  • Enable Control and Internally Fixed Soft-Start with typ. 1ms
  • Input Under-Voltage Lockout (UVLO)