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Texas Instruments LM5180 | Demoboard TIDA-010006
65-VIN PSR flyback converter with 100-V, 1.5-A integrated power MOSFET
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 19-29 V |
| Ausgang 1 | 20 V / 0.05 A |
| Ausgang 2 | 20 V / 0.05 A |
| Ausgang 3 | 20 V / 0.05 A |
| Ausgang 4 | 20 V / 0.05 A |
Beschreibung
This reference design provides isolated positive and negative voltage rails for Insulated Gate Bipolar Transistor (IGBT) gate drivers from 24-V DC input supply. It uses a flyback power supply topology to generate four pairs of 15-V and –5-V outputs suitable for powering six IGBT gate drivers of 1 W each. The integration of the 100-V rated primary side switch within the flyback controller LM5180-Q1 together with the elimination of an auxiliary transformer winding enables a compact solution.
Eigenschaften
- Quasi-resonant boundary conduction mode along with frequency modulation provides peak efficiency of 90% at balanced full load
- Supplies output power up to 1.2 W per IGBT driver
- Provides compact and cost-effective solution due to elimination of opto-coupler and transformer auxiliary winding
- Provision to turn the power supply on and off through the EN pin
- Programmable soft start limits the inrush current drawn by the power supply
Typische Anwendungen
- Variable Speed AC and Servo Drives, IGBT-Based HVDC Systems
- Industrial and Solar Inverter
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | C | VR(V (AC)) | Sicherheitsklasse | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Raster(mm) | L(mm) | B(mm) | H(mm) | Verpackung | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WCAP-FTXX Folienkondensatoren, Across the mains, 10 nF | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWCAP-FTXX Folienkondensatoren | Kapazität10 nF | Nennspannung310 V (AC) | SicherheitsklasseX2 | Spannungsanstiegsgeschwindigkeit500 V/µs | Verlustfaktor0.1 % | Isolationswiderstand30 GΩ | Raster10 mm | Länge13 mm | Breite5 mm | Höhe11 mm | VerpackungLose | – | – | – | – | MontageartBoxed THT | ||||
 | WE-TPC SMT-Speicherdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TPC SMT-Speicherdrossel | – | – | – | – | – | – | – | Länge4.8 mm | Breite4.8 mm | Höhe1.8 mm | – | Induktivität10 µH | Nennstrom1.3 A | Sättigungsstrom1 A | Eigenresonanzfrequenz45 MHz | MontageartSMT | ||||
750343953 | Transformer, –, – | Simulation– | Downloads– | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |