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Texas Instruments UCC28910
700V Flyback Switcher with Constant-Voltage Constant-Current and Primary-side Control
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 120-375 V |
| Schaltfrequenz | 105-125 kHz |
| Ausgang 1 | 5 V / 1.2 A |
| IC-Revision | Version control disabled |
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
Typische Anwendungen
- Industrial Embedded Energy Monitoring
- Home Security
- Home Automation
- Appliances
- WI-FI Power Strip/Energy Monitor
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | L(µH) | IR(A) | ISAT(A) | RDC max.(Ω) | fres(MHz) | Montageart | Vin | VOut1(V) | IOut1(A) | Vaux(V) | fswitch(kHz) | NPRI : NSEC : NAUX | VT(V (AC)) | Bauform | L(mm) | B(mm) | H(mm) | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TI HV Tonneninduktivität (High Voltage), 1000 µH, 0.5 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-TI HV Tonneninduktivität (High Voltage) | Induktivität1000 µH | Nennstrom0.5 A | Sättigungsstrom0.55 A | Gleichstromwiderstand2.08 Ω | Eigenresonanzfrequenz1.8 MHz | MontageartTHT | – | – | – | – | – | – | – | Bauform8095 | Länge7.8 mm | Breite7.8 mm | Höhe9.5 mm | ||||
 | WE-OLTI Offline Flyback Transformers, 1100 µH, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-OLTI Offline Flyback Transformers | Induktivität1100 µH | – | Sättigungsstrom0.65 A | – | – | MontageartTHT | Input Voltage 85 - 265 V (AC) | Ausgangsspannung 15 V | Ausgangsstrom 11.2 A | Hilfsspannung17 V | Switching Frequency 115 | Übersetzungsverhältnis16.5:1:3.5 | Prüfspannung4500 V (AC) | BauformEE16/8/5 | Länge20.32 mm | Breite24.38 mm | Höhe16 mm | ||||
 | 750841012 | Transformer, 1660 µH, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | Produktserie Transformer | Induktivität1660 µH | – | – | – | – | MontageartTHT | Input Voltage 85 - 265 V (AC) | Ausgangsspannung 15 V | Ausgangsstrom 11.2 A | Hilfsspannung12 V | Switching Frequency 70 | Übersetzungsverhältnis16.875:1:2.25 | Prüfspannung3000 V (AC) | BauformEE16/7/5 | Länge16.9 mm | Breite19.5 mm | Höhe13.31 mm |