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IC-Hersteller Onsemi

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Onsemi NCP1342 | Demoboard NCP1342PD65WGEVB

Quasi-Resonant Flyback Controller with Valley Lock-Out Switching

Details

TopologieSperrwandler
Eingangsspannung90 V
Ausgang 120 V / 3 A
IC-Revision4

Beschreibung

The NCP1342PD65WGEVB showcases the NCP1342 Quasi-Resonant Flyback Controller in a USB Power Delivery (PD) application. The evaluation board delivers 60 W of power using a compact RM8 transformer. The NCP1342 is suitable for designing high-performance off-line power converters and USB PD adapters, and features Rapid Frequency Foldback (RFF) for improved efficiency over the load range. An integrated active X2 capacitor discharge feature eliminates discharge resistors which enables no-load power consumption below 40 mW.

Eigenschaften

  • Minimum Peak Current Modulation for Rapid Frequency Foldback (RFF)
  • QR Frequency Jittering
  • Quiet-Skip Technology
  • Integrated HV Startup with Brownout Protection
  • Valley Switching Operaton with Valley Lockout
  • Integrated X2 Capacitor Discharge Capability
  • NTC Compatible Fault Pin
  • High Drive Capability: -500 mA / +800 mA
  • Latch input for OVP and OTP implementation

Typische Anwendungen

  • Computer Power Supplies
  • Medium or High Power AC-DC Adapters, Ultra High Density AC-DC Adapters, USB PD Compliant, Notebook Adapters, Flat TV SMPS, Phone and Tablet Adapters

Weiterführende Informationen

Artikeldaten

Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieISAT
(A)
RDC
(Ω)
fres
(MHz)
Interface typGenderPinsIR 1
(mA)
Arbeitsspannung
(V (DC))
VerpackungZ @ 100 MHz
(Ω)
Zmax
(Ω)
Testbedingung ZmaxIR 2
(mA)
RDC max.
(Ω)
TypIR
(A)
L
(µH)
VR
(V (AC))
VT
(V (AC))
MaterialL
(mm)
W
(mm)
H
(mm)
MontageartVRMS
(V)
VDC
(V)
VBR
(V)
IPeak
(A)
Wmax
(J)
PDiss
(W)
AnwendungVDE-Zulassung Muster
744732100SPEC
8 Dateien WE-TI Tonneninduktivität 4 0.027 27 0.033 4 10 9.5 9.5 8 THT
742792040SPEC
8 Dateien WE-CBF SMT-Ferrit 2000 600 700 150 MHz 2000 0.15 High Current 1.5 2 1.2 0.9 SMT
742792096SPEC
7 Dateien WE-CBF SMT-Ferrit 1000 1000 1000 100 MHz 1000 0.3 High Current 0.8 2 1.2 0.9 SMT
744823210SPEC
8 Dateien WE-CMB Stromkompensierte Netzdrossel 4 2000 0.125 2 10000 250 1500 MnZn 23 13.8 26.5 THT 40042670
820573011SPEC
6 Dateien WE-VD Disk Varistor 9 4.1 12.5 THT 300 385 470 1200 35 0.25 230 VAC Ja
632723300011SPEC
6 Dateien WR-COM USB 3.1 Type C Receptacle Horizontal THR / SMT Type C Receptacle 24 20 Tape and Reel Horizontal 5 THR USB 3.1
750343808SPEC
Flyback Transformer
Muster
Artikel Nr. Daten­blatt Simu­lation Downloads ProduktserieISAT
(A)
RDC
(Ω)
fres
(MHz)
Interface typGenderPinsIR 1
(mA)
Arbeitsspannung
(V (DC))
VerpackungZ @ 100 MHz
(Ω)
Zmax
(Ω)
Testbedingung ZmaxIR 2
(mA)
RDC max.
(Ω)
TypIR
(A)
L
(µH)
VR
(V (AC))
VT
(V (AC))
MaterialL
(mm)
W
(mm)
H
(mm)
MontageartVRMS
(V)
VDC
(V)
VBR
(V)
IPeak
(A)
Wmax
(J)
PDiss
(W)
AnwendungVDE-Zulassung Muster