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

(ACTIVE) PMP10799

Description & Features

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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 Files

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Bill of Materials (BOM)

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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)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CSD18504Q5A  40V, N-Channel NexFET™ Power MOSFET  MOSFETs  Sample & Buy View Design Kits & Evaluation Modules
TPS40170  4.5 V to 60 V Wide-Input Synchronous PWM Buck Controller  Step-down (buck)  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 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 1668 11 Apr 2016 11
Design files (6)
Title Abstract Type Size (KB) Date Views
ZIP 288 11 Apr 2016 4
ZIP 15403 11 Apr 2016 4
PDF 633 11 Apr 2016 2
PDF 51 11 Apr 2016 2
PDF 105 11 Apr 2016 5
PDF 119 11 Apr 2016 10

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