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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
- POE
- LED Bias Supply
- Multiple-Output Flyback Without Optocoupler / Wide Input Boost, SEPIC, Flyback Power Module
- Battery-Powered Boost, SEPIC, Flyback
- Portable Speaker Application
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | Version | VIN | VOut1(V) | IOut1(A) | L(µH) | n | VT(V (AC)) | Size | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular, 2, Rising Cage Clamp | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 2141 - 3.50 mm Horiz. Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 24 to 16 (AWG) 0.2 to 1 (mm²) | – | – | – | – | – | – | – | – | MountTHT | ||
 | WE-PoE Power over Ethernet Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PoE Power over Ethernet Transformer | – | – | – | – | – | VersionCCM Flyback | Input Voltage 9 - 60 V (DC) | Output Voltage 112 V | Output Current 12 A | Inductance14 µH | Turns Ratio1.33:1:1 | Insulation Test Voltage1500 V (AC) | SizeEFD20 | MountSMT |