Richtek

RT5797A
Demoboard RT5797AHGQWA

3A, 1MHz, 6V CMCOT Synchronous Step-Down Converter

Topology: Buck
Input Voltage (min.): 5.00 V
Output 1: 1.20 V / 3.000 A

Original publication on 2018-07-24, revision 00

Description

The RT5797A is a high efficiency synchronous step-down DC-DC converter. Its input voltage range is from 2.7V to 6V and provides an adjustable regulated output voltage from 0.6V to 3.4V while delivering up to 3A of output current.

Characteristics

  • Efficiency Up to 95%
  • RDS(ON) 100mΩ HS / 70mΩ LS
  • VIN Range 2.7V to 6V
  • VREF 0.6V with ±1% Accuracy at 25℃
  • CMCOTTM Control Loop Design for Best Transient Response, Robust Loop Stability with Low-ESR (MLCC) COUT
  • Fixed Soft-Start 1.2ms
  • Power Saving in Light Load

Products

  Order Code SPEC Product series L
(µH)
IR
(A)
ISAT
(A)
RDC typ.
(mΩ)
RDC max.
(mΩ)
fres
(MHz)
Bauform Version Samples
7447714015 PDF WE-PD SMT Power Inductor 1.5 10 12.5 5.55 6.6 69 1050 Performance