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Texas Instruments LM5017 | Demoboard PMP10535
Low Profile, Quad Output, Isolated Fly-Buck Power Supply for Industrial Applications
Overview
| Topology | FlyBuck (Double Buck) |
| Input voltage | 20-32 V |
| Output 1 | 5 V / 0.08 A |
| Output 2 | -5 V / 0.08 A |
| Output 3 | -12 V / 0.08 A |
| Output 4 | 12 V / 0.08 A |
| IC revision | I |
Description
The PMP10535 reference design is a low profile quad 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 four isolated outputs of ±5V, ±12V, 75mA each. The LM5017 is a 100V wide Vin, 600mA synchronous buck regulator. The input voltage range of the design is 20V to 32V, making it suitable for 24V input industrial application. The Fly-Buck can regulate the secondary side outputs without opto-coupler or aux winding and is capable of achieving good cross regulation within ±5%. With LM5017's constan on-time control, no loop compensation is required, which simplifies the design and helps reducing the external part count and BOM cost.
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | VOut3 (V) | IOut3 (mA) | VOut4 (V) | IOut4 (mA) | Vbuck (V) | L (µH) | NPRI : NSEC | ISAT (mA) | VT (V (AC)) | fswitch (kHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 750314460 | SPEC | 4 files | MID-IBTI Isolated Buck Transformers for Texas Instruments Fly-Buck™ Chipsets | 16 - 36 V (DC) | 12 | 30 | 12 | 30 | -5 | 80 | -5 | 80 | 13 | 45 | 1.79:2.29:2.29:1:1 | 900 | 1500 | 200 - 350 | SMT |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | VIN | VOut1 (V) | IOut1 (mA) | VOut2 (V) | IOut2 (mA) | VOut3 (V) | IOut3 (mA) | VOut4 (V) | IOut4 (mA) | Vbuck (V) | L (µH) | NPRI : NSEC | ISAT (mA) | VT (V (AC)) | fswitch (kHz) | Mount | Samples |
|---|