High Switching Frequency Dual Synchronous Buck Regulator; 2.5V@1.0A and 1.8V@1.0A Reference Design

(ACTIVE) PMP8750

Description & Features

Technical Documents

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Description

This design is a synchronous buck converter for automotive applications. It uses the LM26420XSQ to deliver two output voltage of 2.5V@1.0A and 1.8V@1.0A. The switching frequency is 2.2MHz.

Features
  • High Switching Frequency
  • Built and tested
  • Test report is included

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Schematic/Block Diagram

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Test Data

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Design Files

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Bill of Materials (BOM)

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Parametrics
 PMP8750.1
(Output Voltage 1)
PMP8750.2
(Output Voltage 2)
Vin (Min) (V)4.54.5
Vin (Max) (V)5.55.5
Vout (Nom) (V)1.82.5
Iout (Max) (A)11
Output Power (W)1.82.5
Isolated/Non-IsolatedNon-IsolatedNon-Isolated
Input TypeDCDC
TopologyBuck- SynchronousBuck- Synchronous

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM26420-Q1  Dual 2.0A, High Frequency Synchronous Step-Down DC-DC Regulator  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM26420-Q1 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 (2)
Title Abstract Type Size (KB) Date Views
PDF 597 15 Apr 2015 8
PDF 1348 19 Sep 2013 15
Design files (5)
Title Abstract Type Size (KB) Date Views
PDF 290 15 Apr 2015 4
PDF 94 15 Apr 2015 5
PDF 96 15 Apr 2015 6
PDF 32 19 Sep 2013 7
PDF 95 19 Sep 2013 10

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