IC manufacturers Richtek

IC manufacturers (96)

Richtek RT2825 | Demoboard EVB_RT2825GQV(2)

4.5V to 18V, 5A/5A Dual Synchronous Step-Down Converter

Overview

TopologyBuck Converter
Input voltage4.5-18 V
Output 11.8 V / 5 A
IC revision00

Description

The RT2825 is a current mode step-down converter with the input voltage range from 4.5V to 18V and provides two channels 5A output current. This document explains the function and use of the RT2825 evaluation board (EVB), and provides information to enable operation, modification of the evaluation board and circuit to suit individual requirements.

Features

  • Wide Input Supply Voltage Range : 4.5V to 18V
  • Fully Integrated Dual-Buck Converter, Up to 5A/5A
  • Adjustable Switching Frequency 200kHz to 1MHz Set by External Resistor or SYNC Signal
  • Dedicated Enable/Soft-Start for Each Buck
  • Current Mode Control with Simple Compensation Circuit
  • Adjustable Cycle-by-Cycle Current Limit Set by External Resistor
  • Over-Temperature Protection
  • Power Good Indicator
  • Discontinuous Operating Mode at Light Load when LOWP pin = L
  • 1% VREF Accuracy

Typical applications

  • Automotive & e-Mobility
  • Consumer Electronics
  • Communication & Enterprise
  • Industrial

More information

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
MaterialLR
(µH)
Samples
7443330220SPEC
8 files WE-HCC SMT High Current Cube Inductor 2.2 17.4 22.5 25.6 4.8 Ferrite 2.1
Order Code Data­sheet Simu­lation
7443330220SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
MaterialLR
(µH)
Samples