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Texas Instruments LM5160-Q1 | Demoboard PMP20330
5.5W Dual Output Industrial Isolated Flybuck Reference Design
Overview
| Topology | Flyback Converter |
| Input voltage | 18-31 V |
| Output 1 | 3.3 V / 1 A |
| Output 2 | 5 V / 0.5 A |
| IC revision | A |
Description
PMP20330 is an isolated Flybuck converter utilizing the LM5160 for industrial applications. This design has a minimum operating input voltage of 18V and a maximum input voltage of 31V. The design is capable of sourcing 1A continuous current at 3.3Vout, and 0.5A continuous current at 5Vout. Switching frequency is set to 200kHz. A Wurth transformer 750316561 is used for this design.
Features
18V to 31Vin, 7.35V primary output, secondary outputs: +3.3V @ 1A, +5V @ 0.5A – IC capable of 4.5V to 65V inputPrimary side regulation without opto, good regulation, within +/-5%No loop compensation required/fast transient responseLow BOM count and cost, compact solution sizeNo RC snubber at primary winding
