120VAC Input, 3.3V/1.2A Output, Non-Isolated Flyback

(ACTIVE) PMP6716

Description & Features

Technical Documents

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Description

This reference design uses the UCC28C42 in a non-isolated flyback topology to generate 3.3V, 1.2V and 22V from a US line AC input. The total output power is 4W. The 3.3V output is regulated by the UCC28C42. A TLV1117LV LDO is used to generate the 1.2V output from the 3.3V output. The 22V output is unregulated and designed only to provide 20mA.

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


  




Bill of Materials (BOM)

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Parametrics
 PMP6716.1
(Output Voltage 1)
Vin (Min) (V)100
Vin (Max) (V)140
Vout (Nom) (V)3.3
Iout (Max) (A)1.2
Output Power (W)3.96
Isolated/Non-IsolatedNon-Isolated
Input TypeAC
TopologyFlyback- Non Sync

TI Devices (1)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
UCC28C42  BiCMOS Low Current 8 Pin PWM Current Mode Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
UCC28C42 Download Download
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 1192 27 Jul 2011 5
Design files (3)
Title Abstract Type Size (KB) Date Views
PDF 400 12 Oct 2011 4
PDF 31 27 Jul 2011 8
PDF 76 27 Jul 2011 6

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