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Texas Instruments UCC28730 | Demoboard PMP10407
Zero Standby PSR Flyback Controller with CVCC and Wake-Up Monitoring
Details
| Topologie | Sperrwandler |
| Eingangsspannung | 85-265 V |
| Ausgang 1 | 5 V / 10 A |
| IC-Revision | D |
Beschreibung
The UCC28730 isolated-flyback power supply controller provides Constant-Voltage (CV) and Constant-Current (CC) output regulation without the use of an optical coupler, and signal detection to improve transient response to large load steps. A minimum switching frequency of 30 Hz facilitates achieving less than 5 mW of no-load power. This device processes information from the primary power switch and an auxiliary flyback winding for precise control of output voltage and current. The monitoring works with a secondary-side alarm device such as the UCC24650 to deliver rapid response to heavy load steps using minimal output capacitance.
Eigenschaften
Remark: BOM is added with main pdf.
Enables (<5 mW) Standby ConsumptionSmart Detection Enables Smallest Output CapacitancePrimary-Side Regulation (PSR) Eliminates Opto-coupler±5% Voltage Regulation and Current Regulation Across Line and Load700-V Start-up Switch83-kHz Maximum Switching Frequency Enables Low Stand-by Power Charger DesignsResonant-Ring Valley-Switching Operation for Highest Overall EfficiencyFrequency-Dither to Ease EMI ComplianceClamped Gate-Drive Output for MOSFETOver-Voltage, Low-Line, and Over-Current Protection FunctionsProgrammable Cable CompensationSOIC-7 Package
Weiterführende Informationen
Artikeldaten
Artikel Nr. | Datenblatt | Simulation | Downloads | Status | Produktserie | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | IR(A) | L(µH) | RDC max.(mΩ) | VR(V (AC)) | VT(V (AC)) | Material | L(mm) | B(mm) | H(mm) | Montageart | Muster | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT-Hochstrominduktivität, 19.6 A, 6 A | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-HCI SMT-Hochstrominduktivität | Performance Nennstrom19.6 A | Sättigungsstrom 16 A | Sättigungsstrom @ 30%13 A | Gleichstromwiderstand3.15 mΩ | Eigenresonanzfrequenz135 MHz | – | Induktivität1.1 µH | Gleichstromwiderstand3.465 mΩ | – | – | MaterialSuperflux | Länge7 mm | Breite6.9 mm | Höhe4.8 mm | MontageartSMT | ||||
 | WE-CMB Stromkompensierte Netzdrossel, –, – | Status Aktivi| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. | ProduktserieWE-CMB Stromkompensierte Netzdrossel | – | – | – | – | – | Nennstrom1 A | Induktivität10000 µH | Gleichstromwiderstand360 mΩ | Nennspannung250 V (AC) | Prüfspannung1500 V (AC) | MaterialMnZn | Länge17.5 mm | Breite13 mm | Höhe22 mm | MontageartTHT |