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Texas Instruments LM3481 | Demoboard PMP10725
Multiport Isolated Output Flyback Solution Reference Design Featuring the LM3481
Overview
| Topology | Flyback Converter |
| Input voltage | 15-36 V |
| Output 1 | 6 V / 0.1 A |
| Output 2 | 6 V / 0.1 A |
| Output 3 | 24 V / 0.5 A |
| IC revision | 1 |
Description
PMP10725 is an isolated flyback solution which accepts an input voltage of 15 to 36VIN and provides multiport output to the load. This reference design compares primary and secondary control solutions. With primary control, it can achieve higher efficiency with lower BOM cost, but the regulation performance is not so good. With secondary control, it can achieve great load regulation performance by controlling the 24V-rail voltage. This LM3481 flyback reference design can be used for supplying the digital output module in industrial PLC application.
Features
Multiport isolated outputPrimary control with low BOM costSecondary control with great regulation performancePeak current mode controlFlexible for other isolate application
Typical applications
- supplying the digital output module in industrial PLC application
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1(V) | IOut1(mA) | VOut2(V) | IOut2(mA) | VOut3(V) | IOut3(mA) | Vaux(V) | L(µH) | n | ISAT(A) | LS(µH) | VT(V (AC)) | Size | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-FLYTI Flyback Transformers, 15 - 36 V (DC), 24 V | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-FLYTI Flyback Transformers | Input Voltage 15 - 36 V (DC) | Output Voltage 124 V | Output Current 1500 mA | Output Voltage 26 V | Output Current 2100 mA | Output Voltage 36 V | Output Current 3100 mA | Auxiliary Voltage24 V | Inductance30 µH | Turns Ratio7.3:4:1:1:4 | Saturation Current2.6 A | Leakage Inductance0.6 µH | Insulation Test Voltage1500 V (AC) | SizeEP13 |