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Infineon Technologies ICE5AR4770AG | Demoboard REF_5AR4770AG_13W1
13 W non-isolated auxiliary power supply for outdoor air-conditioner using ICE5AR4770AG
Overview
| Topology | Flyback Converter |
| Input voltage | 85-264 V |
| Output 1 | 12 V / 0.85 A |
| Output 2 | 15 V / 0.15 A |
| IC revision | 1 |
Description
This is a reference design for a 13 W auxiliary power supply for an outdoor air-conditioner unit with the latest fifth-generation Infineon Fixed-Frequency (FF) CoolSET™ ICE5AR4770AG. The power supply is designed with a universal input compatible with most geographic regions, and two non-isolated outputs (+12V/0.85 A, +15 V/150 mA) 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.
Features
- Tightly regulated output voltages, high efficiency under light load and low standby power
- Comprehensive protection feature CoolSET™ with integrated input Line Over Voltage Protection (LOVP) and externally implemented brown-in protection (GATE pin resistor to GND)
- Auto-restart protection scheme to minimize interruption and enhance end-user experience
Typical applications
- Outdoor air-conditioner
- Offline aux SMPS for server, PC power, aircon, refrigerator and audio, Offline main SMPS for adapter, set-top-box, water purifier, TV, industrial SMPS and POE