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Texas Instruments LM5155 | Demoboard PMP40555
9~60-Vdc input, 12-V/2-A output flyback reference design
Overview
| Topology | Flyback Converter |
| Input voltage | 9-60 V |
| Switching frequency | 100-2200 kHz |
| Output 1 | 12 V / 2 A |
| IC revision | E2 |
Description
This reference design is a wide input, 12-V/2-A output isolated flyback converter using LM5155. The switching frequency is 250 kHz and the peak efficiency of the system is 89.19% at 24-V input. The load regulation in the whole input range is within ±0.5%. Peak-to-peak ripple of the output is within 296-mV under load transient from 1 A to 2 A with a slew rate of 1 A/us.
Features
- Wide input range
- 250-kHz switching frequency
- 89.19% peak efficiency
- Load regulation within ±0.5% in whole input range
Typical applications
- Multiple-Output Flyback Without Optocoupler / Wide Input Boost, SEPIC, Flyback Power Module
- Battery-Powered Boost, SEPIC, Flyback
- LED Bias Supply
- POE
- Portable Speaker Application
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | Pins | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | Version | VIN | VOut1 (V) | IOut1 (A) | L (µH) | n | VT (V (AC)) | Size | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 691214110002 | SPEC | – | 6 files | 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 | |
 | 750344488 | SPEC | 8 files | WE-PoE Power over Ethernet Transformer | – | – | – | – | – | – | CCM Flyback | 9 - 60 V (DC) | 12 | 2 | 14 | 1.33:1:1 | 1500 | EFD20 | SMT |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 691214110002 | SPEC | – |
| 750344488 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | Pins | Application | PCB/Cable/Panel | Modularity | Type | Wire Section | Version | VIN | VOut1 (V) | IOut1 (A) | L (µH) | n | VT (V (AC)) | Size | Mount | Samples |
|---|