Infineon Technologies

Demoboard AN-EVAL-3AR4780CJZ

5V 12W SMPS evaluation board with ICE3AR4780CJZ

Topologie: Flyback
Eingangsspannung (min.): 85.00 V
Eingangsspannung (max.): 282.00 V
Ausgang 1: 5.00 V / 2.400 A

Erstveröffentlichung am 21.03.2014, Version 1.0


The EVAL-3AR4780CJZ demo board is a low cost off-line flyback switch mode power supply (SMPS) using the ICE3AR4780CJZ integrated power IC from the CoolSET™-F3R80CCM family. The circuit, shown in Figure 3, details a 5V, 12W power supply that operates from an AC line input voltage range of 85Vac to 282Vac and brownout detect/reset voltage is 65/85Vac, suitable for applications in enclosed adapter or open frame auxiliary power supply for different system such as PC, server, DVD, LED TV, Set-top box, etc.


  • 800V avalanche rugged CoolMOS™ with Start-up Cell
  • Active Burst Mode for lowest Standby Power
  • Slope compensation for CCM operation
  • Selectable entry and exit burst mode level
  • 100kHz internally fixed switching frequency with jittering feature
  • Auto Restart Protection for Over load, Open Loop, VCC Under voltage & Over voltage and Over temperature
  • External latch enable pin and fast AC reset
  • Over temperature protection with 50°C hysteresis
  • Built-in 10ms Soft Start
  • Built-in 40ms blanking time for short duration peak power
  • Propagation delay compensation for both maximum load and burst mode
  • Brownout feature
  • BiCMOS technology for low power consumption and wide VCC voltage range
  • Soft gate drive with 50Ω turn on resistor


  Artikel Nr. SPEC Produktserie Anwendung PCB/Kabel/Panel Modularity Typ Pins Wire Section Muster
691102710002 PDF WR-TBL Series 102 - 5.00 mm Horiz. Entry Modular Pressure Clamp PCB Ja Horizontal 2 22 to 14 (AWG) 0.326 to 2.08 (mm²)
691103110002 PDF WR-TBL Series 1031 - 3.50 mm Horiz. Entry Modular Pressure Clamp PCB Ja Horizontal 2 26 to 16 (AWG) 0.129 to 1.31 (mm²)