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Renesas Electronics RTKA210040DR0000BU Demonstration Board

Renesas Electronics RTKA210040DR0000BU Demonstration Board features the RAA210040, and is capable of delivering up to 4A of continuous current. The RAA210040 is a compact, synchronous step-down, non-isolated complete power supply. It’s optimized for space-constrained applications. The RAA210040 is based on a peak current mode PWM control scheme that provides a fast transient response and excellent loop stability. The switching frequency is programmable from 500kHz to 4MHz with either the external resistor or synchronization to an external clock through the SYNC pin.

Features

  • Wide input voltage range from 2.7V to 5.5V
  • Adjustable output voltage down to 0.6V with ±1.5% accuracy over line, load, and temperature
  • Up to 95% conversion efficiency
  • 100% duty cycle
  • Internal 1ms soft-start time
  • Prebias output start-up
  • External frequency synchronization up to 4MHz
  • Dedicated enable pin and PGOOD flag
  • UVLO, overcurrent, negative overcurrent, overvoltage, and over-temperature protections

Specifications

  • VIN = 2.7V to 5.5V
  • VOUT = 1.2V
  • IOUT-MAX = 4A
  • fSW = 1.2MHz

Block Diagram

Renesas Electronics RTKA210040DR0000BU Demonstration Board

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Renesas Electronics RTKA210040DR0000BU Demonstration Board