Sepic with Adjustable Output Voltage and Input Current Limit Reference Design
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This reference design provides an adjustable output voltage between 20V and 25V and an input voltage range of 10V to 14V. It also provides the functionality to limit the input current of the converter between 70mA and 135mA. The adjustable values are set by a VID interface which is either discrete or integrated.

  • Adjustable output voltage
  • Adjustable input current limit

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Schematic/Block Diagram

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Design Files

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(Output Voltage 1)
Vin (Min) (V)10
Vin (Max) (V)14
Vout (Nom) (V)25
Iout (Max) (A).135
Output Power (W)3.375
Input TypeDC
TopologySepic- Integrated Switch

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM10011  1% Accuracy 4/6-Bit VID Voltage Programmer for Point of Load Regulator w/ Adj Start-Up Current  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
LM5001  3.1-75V Wide Vin, 1A Current Mode Non-Synchronous Switch Mode Regulator  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM10011 Download Download
LM5001 Download Download
Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 809 10 Apr 2015
Design files (6)
Title Type Size (KB) Date
ZIP 41 10 Apr 2015
ZIP 633 10 Apr 2015
PDF 245 10 Apr 2015
PDF 217 10 Apr 2015
PDF 17 10 Apr 2015
PDF 283 10 Apr 2015

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