20W Industrial Power Supply
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PMP10559 is a non-sync isolated Flybuck-boost converter with a negative primary voltage. The power supply has a synchronous buck regulator, LM5160, and a versa pack transformer. The design accepts an input voltage of 18V to 30V, and outputs 30V, capable of providing 0.67A of current to the load, making it suitable for 24V input industrial application. The Fly-Buck topology can regulate the secondary side outputs without opto-coupler or aux winding, and is capable of achieving good regulation within ±5%. With LM5160's Constan On-Time control, no loop compensation is required, which  simplifies the design and helps reducing the external part count and BOM cost.

  • Versa pack transformer increase design versatility
  • +30V/0.67A with LM5160 capable of 4.5V to 65V input
  • Primary Side Regulation without Opto, Good Regulation, within +/-5% 
  •  Constant On Time Control, No Loop Compensation Required, and Fast Transient Response
  • No primary winding snubber is required

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Design Files

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TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
LM5160  LM5160 wide input 65V, 2A synchronous buck/Fly-Buck™ converter  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM5160 Download Download
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Technical documentation

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User guide (1)
Title Type Size (KB) Date
PDF 1970 09 Mar 2015
Design files (5)
Title Type Size (KB) Date
ZIP 146 20 Dec 2016
PDF 236 20 Dec 2016
ZIP 95 09 Mar 2015
PDF 612 09 Mar 2015
PDF 105 09 Mar 2015

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