24V Input Synchronous Buck to 12V at 8A Converter Reference Design
PMP10799
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Key Document

Description

This synchronous buck converter operates over a 19-V to 32-V input range and delivers 12 V at 8-A continuous. It achieves an efficiency of greater than 97% between 4.5 A to 8 A at 24 Vin. Other features include low-output ripple voltage, excellent transient response, and small size.

Features
  • Small size (33 mm x 35 mm)
  • Greater than 97% efficient
  • 50-mVpp output ripple voltage
  • Excellent transient response (<2% for 8-A step)

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Schematic/Block Diagram

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Design Guide

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Design Files

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Parametrics
 PMP10799.1
(Output Voltage 1)
Vin (Min) (V)19
Vin (Max) (V)32
Vout (Nom) (V)12
Iout (Max) (A)8
Output Power (W)96
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologyBuck- Synchronous

TI Devices (2)

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
CSD18504Q5A  40V, N ch NexFET MOSFETâ„¢, single SON5x6, 6.6mOhm  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS40170  4.5 V to 60 V Wide-Input Synchronous PWM Buck Controller  Step-down (buck) regulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD18504Q5A VSONP (DQJ)| 8 Download Download
TPS40170 Download Download

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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1668 11 Apr 2016
Design files (6)
Title Type Size (KB) Date
ZIP 288 11 Apr 2016
ZIP 15403 11 Apr 2016
PDF 633 11 Apr 2016
PDF 51 11 Apr 2016
PDF 105 11 Apr 2016
PDF 119 11 Apr 2016

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