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Richtek RT2825 | Demoboard EVB_RT2825GQV(2)

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

Details

TopologieAbwärtswandler
Eingangsspannung4.5-18 V
Ausgang 11.8 V / 5 A
IC-Revision00

Beschreibung

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.

Eigenschaften

  • 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

Typische Anwendungen

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

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
MaterialLR
(µH)
Muster
7443330220SPEC
8 Dateien WE-HCC SMT-Hochstrominduktivität 2.2 17.4 22.5 25.6 4.8 Ferrite 2.1
Artikel Nr. Daten­blatt Simu­lation
7443330220SPEC
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieL
(µH)
IRP,40K
(A)
ISAT1
(A)
ISAT,30%
(A)
RDC max.
(mΩ)
MaterialLR
(µH)
Muster