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Texas Instruments LM5017MRX/NOPB | Demoboard PMP10558
Low Profile Triple Output Isolated Fly-Buck Power Supply for Industrial Applications
Overview
| Topology | FlyBuck (Double Buck) |
| Input voltage | 18-30 V |
| Output 1 | 12 V / 0.05 A |
| Output 2 | 5 V / 0.1 A |
| Output 3 | -12 V / 0.05 A |
Description
The PMP10558 reference design is a low profile triple output isolated Fly-Buck power supply for industrial applications. The power supply has a synchronous buck regulator, LM5017, and a low profile (6mm) transformer. It generates three isolated outputs depending on the transformer selection. The LM5017 is a 100V wide Vin, 600mA synchronous buck regulator. The input voltage range of the design is 18V to 30V, making it suitable for 24V input industrial applications. The Fly-Buck can regulate the secondary side outputs without an opto-coupler or auxillary winding and is capable of achieving good cross regulation within ±5%. With LM5017's constant on-time control, no loop compensation is required, which simplifies the design and helps reduce the external part count and BOM cost.
Features
Vin: 18V to 42V4 layer board (1 oz. copper on top and bottom, 1/2 oz. on middle two layers)Board dimensions: 3.2" x 1.6"Good thermal performance and efficiencyREMARK: BOM and Schematics are added with main pdf.
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | VOut3 (V) | IOut3 (mA) | Vbuck (V) | L (µH) | NPRI : NSEC | ISAT (mA) | LS (nH) | VT (V (AC)) | fswitch (kHz) | Mount | L (mm) | W (mm) | H (mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750314462 | SPEC | 7 files | Active i| Production is active. Expected lifetime: >10 years. | WE-IBTI Isolated Buck Transformers | 16 - 36 V (DC) | 5 | 100 | 12 | 40 | -12 | 40 | 13 | 45 | 1.92:1:2.38:2.38 | 980 | 450 | 1500 | 200 - 350 | SMT | 12.95 | 12.7 | 5.98 |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | VOut3 (V) | IOut3 (mA) | Vbuck (V) | L (µH) | NPRI : NSEC | ISAT (mA) | LS (nH) | VT (V (AC)) | fswitch (kHz) | Mount | L (mm) | W (mm) | H (mm) | Samples |
|---|