IC manufacturers Monolithic Power Systems

IC manufacturers (97)

Monolithic Power Systems MP28248

High-Efficiency, Fast-Transient, 3A, 4.2V-20V Input Synchronous Step-down Converter in a QFN12 (2x3mm) Package

Overview

TopologyBuck Converter
Input voltage4.2-20 V
Output 11.2 V / 3 A
IC revision1.0

Description

The MP28248 is a fully-integrated, highefficiency, synchronous, step-down, switch mode converter. It offers a very compact solution that can achieve a 3A continuous output current over a wide input supply range with excellent load and line regulation. The MP28248 operates at high efficiency over awide output-current load range.

Constant-On-Time control mode provides fast transient response and eases loop stabilization.

Full protective features include short-circuit protection, over-current protection, over-voltage protection, under-voltage protection, and thermal shutdown.

The MP28248 requires a minimal number of readily-available standard external components.

This device is available in a space-saving 2mmx3mm 12-pin QFN package.

Features

  • Wide 4.2V to 20V Operating Input Range
  • 3A Output Current
  • Low RDS(ON) Internal Power MOSFETs
  • Proprietary Switching-Loss Reduction Technique
  • Soft Startup/Shutdown
  • Programmable Switching Frequency
  • SCP, OCP, UVP, OVP, and ThermalShutdown
  • Output Adjustable from 0.815V to 13V
  • Available in a QFN12 (2mmx3mm) Package

Typical applications

  • Distributed Power Systems
  • Networking Systems

Products

Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Samples
7443552200SPEC
8 files WE-HCI SMT Flat Wire High Current Inductor 2 14.8 5 13 7.3 53 WE-PERM
Order Code Data­sheet Simu­lation
7443552200SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Product seriesL
(µH)
IRP,40K
(A)
ISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
fres
(MHz)
Material Samples