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Texas Instruments UCC28910DR | Demoboard PMP30044
700V Flyback Switcher with Constant-Voltage Constant-Current and Primary-side Control
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 85-264 V |
| Ausgang 1 | 12 V / 0.35 A |
| IC-Revision | B |
Beschreibung
The UCC28910 and UCC28911 are high-voltage flyback switchers that provide output voltage and current regulation without the use of an optical coupler. Both devices incorporate a 700-V power FET and a controller that process operating information from the flyback auxiliary winding and power FET to provide a precise output voltage and current control. The integrated high-voltage current source for startup that is switched off during device operation, and the controller current consumption is dynamically adjusted with load. Both enable the very low stand-by power consumption.
Eigenschaften
Constant-Voltage (CV) and Constant-Current (CC) Output Regulation Without Optical-Coupler±5% Output Voltage Regulation Accuracy±5% Output Current Regulation With AC Line and Primary Inductance Tolerance Compensation700-V Start-Up and Smart Power Management Enables <30-mW Standby Power115-kHz Maximum Switching Frequency Design for High-Power DensityValley Switching and Frequency Dithering to Ease EMI ComplianceThermal Shut DownLow Line and Output Over-Voltage Protection
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI Tonneninduktivität, 1000 µH, 0.29 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI Tonneninduktivität | Induktivität1000 µH | Nennstrom0.29 A | Sättigungsstrom 10.41 A | Gleichstromwiderstand6 Ω | Eigenresonanzfrequenz2.7 MHz | VersionSchrumpfschlauch | ||||
 | 750871035 | Transformer, 2000 µH, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Transformer | Induktivität2000 µH | – | – | – | – | – |