IC-Hersteller Texas Instruments

IC-Hersteller (96)

Texas Instruments UCC28742 | Demoboard PMP31087

31-W offline valley-switching flyback with multiple outputs reference design

Details

TopologieSperrwandler
Eingangsspannung85-265 V
Schaltfrequenz80 kHz

Beschreibung

This reference design uses the UCC28742 flyback controller to generate two outputs (12 V at 2.2 A and 3.3 V at 1.5 A) from a universal input. UCC28742 uses an optical coupler to regulate the output and improve transient response. The valley-switching technique reduces switching losses and keeps the efficiency high.

Eigenschaften

  • Resonant-ring valley-switching operation
  • Dual isolated outputs consisting of 12 V at 2.2 A and 3.3 V at 1.5 A
  • Universal AC-input voltage range of 85 VAC to 265 VAC
  • Output over-voltage and over-current protection
  • Complete tested design with available design files and test report

Typische Anwendungen

  • Industrial and Medical AC-to-DC Power Supplies, Smart Electricity Meters, Bias Supply for UPS, Server PSU, etc, Power Supply for Cable Modem, Power Supply for Cable Modem, Television, SetTop Box, and Wireless Routers

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieCVR
(V (DC))
Endurance
(h)
BetriebstemperaturIRIPPLE
(mA)
ILeak
(µA)
DF
(%)
Raster
(mm)
Ø D
(mm)
L
(mm)
Verpackung Muster
860241381004SPEC
6 Dateien WCAP-AT1H Aluminium-Elektrolytkondensatoren33 µF 400 10000 -25 °C bis zu +105 °C 870 628 20 7.5 18 21 Ammopack
Artikel Nr. Daten­blatt Simu­lation
860241381004SPEC
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieCVR
(V (DC))
Endurance
(h)
BetriebstemperaturIRIPPLE
(mA)
ILeak
(µA)
DF
(%)
Raster
(mm)
Ø D
(mm)
L
(mm)
Verpackung Muster