IC-Hersteller Texas Instruments

IC-Hersteller (99)

Texas Instruments UCC28722 | Demoboard PMP30281

Details

TopologieSperrwandler
Eingangsspannung85-440 V
Ausgang 124 V / 0.3 A
Ausgang 25 V / 0.4 A
IC-RevisionB

Beschreibung

This offline flyback reference design uses the UCC28722 controller to generate 2 isolated outputs (5 V at 400 mA, 24 V at 300 mA) from an AC input (85 VAC - 480 VAC). The UCC28722 output drive interfaces to a bipolar transistor power switch, enabling a more efficient design than a typical design. The valley-switching technique reduces switching losses and keeps the efficiency high. The controller provides constant-voltage and constant-current regulation without the use of an optical-coupler.

Eigenschaften

180-VAC - 264-VAC input to 3 isolated outputsPrimary-side regulation eleminates the need for an optical-couplerValley-switching operation keeps the efficiency highDynamic BJT drive enables lower cost converter design

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads Status ProduktserieL
(µH)
IR
(A)
ISAT
(A)
RDC max.
(Ω)
fres
(MHz)
Montageart Muster
768772221SPEC
8 Dateien Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre.WE-TI HV Tonneninduktivität (High Voltage) 220 0.9 1.3 0.6 3.7 THT
750317104SPEC
Aktiv i| Produktion ist aktiv. Erwartete Lebenszeit: >10 Jahre. Flyback Transformer
Artikel Nr. Daten­blatt Simu­lation
768772221SPEC
750317104SPEC
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads Status ProduktserieL
(µH)
IR
(A)
ISAT
(A)
RDC max.
(Ω)
fres
(MHz)
Montageart Muster