12V@4.2A Buck Converter Radio Reference Design

(ACTIVE) PMP10357

Description & Features

Technical Documents

Support & Training

Order Now


View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

Key Document

Description

This current-mode control buck converter provides 12V @ 4.2A over a wide 14V - 36V input voltage range. It uses minimal component count and a 500KHz switching frequency to occupy approximately 1 sq-inch of board area. It achieves a peak efficiency of 95.7% at 24Vin and 2A load.

Features
  • Greater than 95% efficiency from 0.8A to 3.7A (24Vin)
  • Small size (~1 sq-inch)
  • Excellent load transient performance of less than 150mV for a 100% load step (24Vin)
  • This reference design has been lab tested and is supported with design files and an application note

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.


  



Schematic/Block Diagram

Quickly understand overall system functionality.

Download Schematic

Design Guide

Get results faster with test and simulation data that's been verified.

Download Design Guide

Design Files

Download ready-to-use system files to speed your design process. Get Viewer.

Download Design Files


Bill of Materials (BOM)

Find the complete list of components in this reference design.

Download BOM

Parametrics
 PMP10357.1
(Output Voltage 1)
Vin (Min) (V)14
Vin (Max) (V)36
Vout (Nom) (V)12
Iout (Max) (A)4.2
Output Power (W)50.4
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Non Sync

TI Devices (1)

Order samples, get tools and find more information on the TI products in this reference design.

Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
TPS54561  4.5V to 60V Input 5A Step-Down DC-DC Converter With Soft-Start and Eco-mode™  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS54561 Download

Texas Instruments and Accelerated Designs, Inc. have collaborated together to provide TI customers with schematic symbols and PCB layout footprints for TI products.

Step 1: Download and install the free download.

Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (1)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 2237 30 Nov 2015 12
Design files (5)
Title Abstract Type Size (KB) Date Views
ZIP 189 30 Nov 2015 8
ZIP 873 30 Nov 2015 7
PDF 175 30 Nov 2015 7
PDF 92 30 Nov 2015 9
PDF 108 30 Nov 2015 18

Support & Training

Try our support forums.
Search expert answers for this part Ask a new question

Content is provided 'AS IS' by the respective TI and Community contributors and does not constitute TI specifications.
See terms of use.

Blogs