Infineon Technologies

ICE5AR4770AG
Demoboard REF_5AR4770AG_15W1

15 W auxiliary power supply for invertized airconditioner using ICE5AR4770AG

Topologie: Flyback
Eingangsspannung (min.): 85.00 V
Eingangsspannung (max.): 264.00 V
Schaltfrequenz (min.): 100.00 kHz
Schaltfrequenz (max.): 125.00 kHz
Ausgang 1: 12.00 V / 1.000 A

Erstveröffentlichung am 25.03.2019, Version 1.0

Beschreibung

This document is a reference design for a 15 W auxiliary power supply for an invertized air-conditioner unit withthe latest Infineon fifth-generation Fixed-Frequency (FF) CoolSET™ ICE5AR4770AG. The power supply isdesigned with a universal input compatible with most geographic regions and two outputs (+12 V/1 A isolated,+15 V/150 mA non-isolated) on a single-layer PCB. The PCB has a provision to add a linear regulator to support athird output (e.g. +5 V), which is connected to a +12 V output.

Merkmale

  • Integrated 700 V/ 800 V avalanche rugged CoolMOS™
  • Enhanced Active Burst Mode with selectable entry and exit standby power
  • Digital frequency reduction for better overall system efficiency
  • Fast startup achieved with cascode configuration
  • DCM and CCM operation with slope compensation
  • Frequency jitter and soft gate driving for low EMI
  • Built-in digital soft start
  • Integrated error amplifier to support direct feedback in non-isolated flyback
  • Comprehensive protection with input line over voltage protection, VCC over voltage, VCC under voltage, overload/open loop, over temperature and Current Sense (CS) short to GND
  • All protections are in auto restart mode
  • Limited charging current for VCC short to GND

Artikel

  Artikel Nr. SPEC Produktserie C
(µF)
VR
(V (DC))
Endurance
(h)
Betriebstemperatur IRIPPLE
(mA)
ILeak
(µA)
DF
(%)
P
(mm)
Ø D
(mm)
L
(mm)
Technische Artikelnummer Tol. C Bauform H
(mm)
Keramiktyp RISO
(GΩ)
Anwendung PCB/Kabel/Panel Modularity Typ Pins Wire Section L
(µH)
IR
(A)
RDC max.
(Ω)
RDC typ.
(Ω)
fres
(MHz)
Muster
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