IC-Hersteller Texas Instruments

IC-Hersteller (96)

Texas Instruments UCC28780 | Demoboard PMP30631

Details

TopologieSperrwandler
Eingangsspannung90-264 V
IC-RevisionB

Beschreibung

This reference design uses the UCC28780 active clamp flyback controller to generate an isolated output of 20 V @ 3.5 A over an input voltage rage of 90 Vac to 264 Vac. The design also uses the UCC24612 synchronous rectifier controller on the secondary side. Zero voltage switching (ZVS) ensures high efficiency over a wide operating range.

Eigenschaften

  • Zero voltage switching (ZVS) provides high efficiency (93% peak value)
  • Adaptive burst mode feature maintains high efficiency even at light loads
  • Synchronous rectifier using drain-to-source voltage sensing

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieVinVOut1
(V)
IOut1
(A)
Vaux
(V)
fswitch
(kHz)
NPRI : NSEC : NAUXISAT
(A)
Bauformfres
(MHz)
VersionIR
(A)
L
(µH)
RDC max.
(mΩ)
VR
(V (AC))
VT
(V (DC))
MaterialL
(mm)
W
(mm)
H
(mm)
Montageart Muster
750318431SPEC
3 Dateien MID-OLTI Offline Flyback Transformers for Texas Instruments 150 - 420 V (DC) 24.35 2.75 16.5 170 - 240 4:1:0.63 5.3 EE25/13/7 120 3000 27.05 32.25 22.86 THT
744823220SPEC
10 Dateien WE-CMB Stromkompensierte Netzdrossel M THT 1.5 20000 270 250 1500 MnZn 23 13.8 25.5 THT
7447462010SPEC
8 Dateien WE-TI Tonneninduktivität 8 5075 140 Schrumpfschlauch 8.5 1 15 6 6 8.5 THT
744732100SPEC
8 Dateien WE-TI Tonneninduktivität 4 8075 27 Schrumpfschlauch 4 10 33 9.5 9.5 8 THT
Artikel Nr. Daten­blatt Simu­lation
750318431SPEC
744823220SPEC
7447462010SPEC
744732100SPEC
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieVinVOut1
(V)
IOut1
(A)
Vaux
(V)
fswitch
(kHz)
NPRI : NSEC : NAUXISAT
(A)
Bauformfres
(MHz)
VersionIR
(A)
L
(µH)
RDC max.
(mΩ)
VR
(V (AC))
VT
(V (DC))
MaterialL
(mm)
W
(mm)
H
(mm)
Montageart Muster