Universal Input 3.8W Quasi-Resonant Flyback using LM5023 Reference Design PMP8650 (ACTIVE)

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Description

This reference design uses the LM5023 quasi-resonant flyback controller to generate isolated 3.16V and 13V outputs from an universal input. The regulated 3.16V output provides up to 620mA of output current, while the unregulated 13V output is capable of providing up to 135mA.

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Schematic/Block Diagram

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Test Data

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Parametrics
 PMP8650.1
(Output Voltage 1)
PMP8650.2
(Output Voltage 2)
Vin (Min) (V)8585
Vin (Max) (V)265265
Vout (Nom) (V)3.1613
Iout (Max) (A).62.14
Output Power (W)1.95921.755
Isolated/Non-IsolatedIsolatedIsolated
Input TypeACAC
TopologyFlyback- Quasi ResonantFlyback- Quasi Resonant

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
LM5023  AC-DC Quasi-Resonant Current Mode PWM Controller  Offline & isolated DC/DC controllers & converters  Sample & Buy View Design Kits & Evaluation Modules
TLV431  1.5% Accuracy Low-Voltage Adjustable Precision Shunt Regulator  Voltage references  Sample & Buy Not Available

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LM5023 Download Download
TLV431 Download Download
Download Download
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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 1267 28 Mar 2014
Design files (2)
Title Type Size (KB) Date
PDF 96 28 Mar 2014
PDF 48 28 Mar 2014

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