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Overview
| Topology | Flyback Converter |
| Input voltage | 18-36 V |
| Switching frequency | 250 kHz |
| Output 1 | 5 V / 4 A |
Description
The LM5155EVM-FLY evaluation module showcases the features and performance of the LM5155 as wide input non-synchronous flyback controller. The standard configuration is designed to provide a regulate output of 5V at 4A from an input of 18V to 36V, switching at 250 kHz. This evaluation module is designed for ease of configuration, enabling the user to evaluate many different applications on the same module. The PCB is two layers with components populated only on one side. Functionality includes programmable slope compensation, adjustable soft-start, programmable cycle-by-cycle current limit, hiccup mode short-circuit protection, and programmable line under voltage lockout.
Features
- Tightly regulated output voltage of 5 V
- High conversion efficiency of > 86% at full load.
- Hiccup mode Short Circuit Protection
- User adjustable secondary side soft-start time
- 10V Auxiliary winding to power VCC pin
- 250kHz Switching frequency
- 2 Layer PCB with components populated on 1 side
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | L (µH) | n | ISAT (A) | LS (nH) | VT (V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012209028 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 25 V(DC) | 10 µF | ±10% | 25 | 1210 | -55 °C up to +125 °C | 5 | 0.01 GΩ | X7R Class II | 3.2 | 2.5 | 2 | 0.3 | 7" Tape & Reel | – | – | – | – | – | – | – | – | – | ||
 | 750317933 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-FLYTI Flyback Transformers | – | – | – | EPQ13 | -40 °C up to +125 °C | – | – | – | 13.97 | 18.25 | 14.5 | – | – | 18 - 36 V (DC) | 5 | 4 | 10 | 21 | 2:1:2 | 6.2 | 300 | 1500 |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012209028 | SPEC | |
| 750317933 | SPEC |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | H (mm) | Fl (mm) | Packaging | VIN | VOut1 (V) | IOut1 (A) | Vaux (V) | L (µH) | n | ISAT (A) | LS (nH) | VT (V (AC)) | Samples |
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