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Infineon Technologies ICE5QR2280AZ | Demoboard AN_201611_PL83 002
24 W 12 V 5 V SMPS demo board with ICE5QR2280AZ
Overview
| Topology | Flyback Converter |
| Input voltage | 85-300 V |
| Output 1 | 12 V / 1.92 A |
| Output 2 | 5 V / 0.2 A |
| IC revision | 1.2 |
Description
This document is an engineering report that describes a universal input 24 W, 12 V and 5 V off-line flyback converter using the newest 5th generation Infineon QR CoolSET™ ICE5QR2280AZ which offers high efficiency, low standby power with selectable entry and exit standby power options, wider VCC operating range with fast start up, robust line protection with input OVP and brownout and various modes of protection for a highly reliable system. This demo board is designed for users who wish to evaluate the performance of ICE5QR2280AZ and its ease of use.
Features
- Novel quasi-resonant switching scheme
- Rapid and adjustable start-up with cascode configuration
- 2 level selectable active burst mode level
- Built-in digital soft-start
- Cycle by cycle peak current limitation
- Digital frequency reduction with decreasing load for higher efficiency
- Adjustable line input over-voltage and brown IN/OUT protection
- VCC and CS pin short to ground protection
- OLP, output short, output over-voltage, OTP with hysteresis and VCC over/under voltage protection
- Auto-restart for all protection features
Typical applications
- Offline SMPS, Adapter, Main power for set-top-box, water/air purifier and TV and Auxiliary power supply for aircon, refrigerator, server, PC power and audio
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | Pins | PCB/Cable/Panel | Modularity | Type | Wire Section | L(µH) | IR(A) | ISAT,10%(A) | RDC max.(Ω) | fres(MHz) | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WR-TBL Series 102 - 5.00 mm Horizontal Entry Modular, 2, Wire Protector | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-TBL Series 102 - 5.00 mm Horizontal Entry Modular | Pins2 | PCB/Cable/PanelPCB | ModularityYes | TypeHorizontal | Wire Section 22 to 14 (AWG) 0.75 to 1.5 (mm²) | – | Rated Current17.5 A | – | – | – | – | |||
 | WR-TBL Series 412B - 3.50 mm Screwless 45° Entry - 2.1 mm² Wires, 2, Screwless | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Pins2 | PCB/Cable/PanelPCB | ModularityNo | Type45° | Wire Section 14 to 20 (AWG) 2.08 to 0.518 (mm²) | – | Rated Current2 A | – | – | – | – | ||||
 | WE-TI Radial Leaded Wire Wound Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | Inductance2.2 µH | Rated Current6.3 A | Saturation Current @ 10%5.7 A | DC Resistance0.02 Ω | Self Resonant Frequency65 MHz | VersionHeat Shrinking Tube | ||||
| WE-TI Radial Leaded Wire Wound Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | Inductance4.7 µH | Rated Current4.2 A | Saturation Current @ 10%3.7 A | DC Resistance0.03 Ω | Self Resonant Frequency40 MHz | VersionHeat Shrinking Tube | ||||
 | 750343101 | Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Transformer | – | – | – | – | – | Inductance400 µH | – | – | – | – | – |