Reference Design - SEPIC Converter Delivers 3.3V at 3.25A from Low Input Voltage

(ACTIVE) PMP9512

Description & Features

Technical Documents

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Description

This coupled-inductor, 3.3V at 3.25A, SEPIC converter delivers high current in a compact area. This circuit is optimized for input voltages within 3.0V - 3.6V. It is also suitable for battery application.

Features
  • SEPIC converter
  • Greater than 10W output
  • Board length is approximately 47 mm
  • Efficiency approaches 86% at 1A
  • Test report available

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


  



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
 PMP9512.1
(Output Voltage 1)
Vin (Min) (V)3.33
Vin (Max) (V)3.6
Vout (Nom) (V)3.3
Iout (Max) (A)3.25
Output Power (W)10.725
Isolated/Non-IsolatedNon-Isolated
Input TypeDC
TopologySepic- 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
CSD16323Q3  N-Channel NexFET™ Power MOSFET  MOSFETs  Sample & Buy Not Available
LM3481  2.97V to 48V High-Efficiency Controller for Boost, SEPIC and Flyback  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CSD16323Q3 VSON-CLIP (DQG)| 8 Download Download
LM3481 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
PDF 1816 14 Apr 2015 9
Design files (3)
Title Abstract Type Size (KB) Date Views
ZIP 176 14 Apr 2015 4
PDF 13 14 Apr 2015 3
PDF 95 14 Apr 2015 3

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