8Vdc-75Vdc Input; 3.3V, +/-2.5V, 1.2V Output; Ultra-Low Power Flyback PMP4986 (ACTIVE)

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Description

The PMP4986 reference design uses the UCC2581 PWM controller to generate an isolated 3.3V/300mA output. Three TPS62110 converters are used to create +/-2.5V and 1.2V outputs from the 3.3V output. A TPS54060 is used on the primary side to create a non-isolated 3.3V/12mA output. The TPS62110 converters can be synchronized to an external 1MHz clock. The UCC2581 and TPS54060 supplies can be synchronized to an external 125kHz clock through the ISO7242.

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Parametrics
 PMP4986.1
(Output Voltage 1)
Vin (Min) (V)8
Vin (Max) (V)75
Vout (Nom) (V)3.3
Iout (Max) (A).3
Output Power (W).99
Isolated/Non-IsolatedIsolated
Input TypeDC
TopologyFlyback- Non Sync
Flyback- DCM

TI Devices (4)

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
TPS54060  3.5V to 60V Input, 0.5A Step-Down Converter with Eco-Mode  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS54060-EP  TPS54060-EP- 0.5-A, 60V Step Down DC/DC Converter with Eco-Mode  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS62110  Adjustable, 1.5-A, 17-V Vin Step-Down Converter in QFN-16  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
UCC2581  Micropower Voltage Mode PWM  Offline & isolated DC/DC controllers & converters  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
TPS54060 Download Download
Download Download
TPS54060-EP Download
TPS62110 Download Download
UCC2581 Download Download

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Step 2: Download the Symbol and Footprint from the CAD.bxl file table.


Technical Documents

See the Important Notice and Disclaimer covering reference designs and other TI resources.

User guides (1)
Title Type Size (KB) Date
PDF 1869 15 Aug 2011
Design files (2)
Title Type Size (KB) Date
PDF 65 02 Aug 2011
PDF 114 02 Aug 2011

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