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Infineon Technologies ICE5QR1680AG | Demoboard AN_201611_PL83_003
27 W 12 V 5 V SMPS demo board with ICE5QR1680AG
Overview
| Topology | Flyback Converter |
| Input voltage | 85-300 V |
| Output 1 | 12 V / 2.17 A |
| Output 2 | 5 V / 0.2 A |
| IC revision | 1.0 |
Description
This document is an engineering report that describes a universal-input 27 W 12 V and 5 V off-line flyback converter using the newest 5th generation Infineon QR CoolSET™ ICE5QR1680AG. It offers high-efficiency, lowstandby power with selectable entry and exit standby power options, a wider V CC operating range with fast start-up, robust line protection with input Over Voltage Protection (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 ICE5QR1680AG 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 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
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 | ||||
 | 750343389 | Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Transformer | – | – | – | – | – | Inductance400 µH | – | – | – | – | – |