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Texas Instruments LM5017 | Demoboard PMP9419
Isolated triple-output Fly-Buck Bias for PLC applications
Overview
| Topology | Flyback Converter |
| Input voltage | 17-36 V |
| Output 1 | 5 V / 0.1 A |
| Output 2 | 10.4 V |
| Output 3 | -15 V / 0.1 A |
| Output 4 | 15 V / 0.1 A |
| IC revision | E1 |
Description
The PMP9419 reference design is a 3-output isolated Fly-Buck power supply for PLC applications. It takes 24V nominal input and provides 3 isolated sets of bias voltage, which are +15V@100mA, -15V@30mA, and 5V@17mA. Each set of rails is generated from one single transformer windings on the secondary side. A compact solution size is achieved (55.3mmx43.8mm). The design features the LM5017 synchronous buck converter configured as a Fly-Buck regulator. With the benefit of primary side regulation, the supply has the outputs regulated without the opto-coupler or additional transformer winding. The LM5017 has a wide Vin range which is up to 100V and 600mA output current capability with integrated switch FETs.
Features
- Three isolated outputs, +15V@100mA, -15V@30mA, 5V@17mA
- Fly-Buck converter design, primary side regulation, compact solution for multiple isolated output supply
- 81% peak efficiency.
- LM5017 sync buck regulator, up to 100V wide Vin range, 600mA capability
- This circuit board is tested, and the design files and test report are included.
Typical applications
- PLC
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (Value) (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | VOut3 (V) | IOut3 (mA) | Vaux (V) | L (µH) | NPRI : NSEC | VT (V (AC)) | fswitch (kHz) | Mount | L (mm) | W (mm) | H (mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691214110002 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular | 2 | Rising Cage Clamp | PCB | Yes | Horizontal | 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | – | – | – | – | – | – | – | – | THT | 7.05 | – | – | |
| 691214110003 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular | 3 | Rising Cage Clamp | PCB | Yes | Horizontal | 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | – | – | – | – | – | – | – | – | THT | 10.5 | – | – | |
 | 750342206 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-IBTI Isolated Buck Transformers | – | – | – | – | – | – | 18 - 24 V (DC) | 15 | 150 | 5 | 100 | 15 | 150 | 5 | 50 | 2 : 3 : 1 : 3.2 : 1 | 1500 | 200 - 400 | SMT | 12.95 | 12.85 | 6.35 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691214110002 | SPEC | – |
| 691214110003 | SPEC | – |
| 750342206 | SPEC |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins (Value) (pcs) | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | VOut3 (V) | IOut3 (mA) | Vaux (V) | L (µH) | NPRI : NSEC | VT (V (AC)) | fswitch (kHz) | Mount | L (mm) | W (mm) | H (mm) | Samples |
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