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Infineon Technologies ICE5QR0680AZ | Demoboard AN_201702_PL83_006
42 W 12 V 5 V SMPS demo board with ICE5QR0680AZ
Overview
| Topology | Flyback Converter |
| Input voltage | 85-300 V |
| Output 1 | 12 V / 3.41 A |
| Output 2 | 5 V / 0.2 A |
| IC revision | 1.0 |
Description
This document is an engineering report that describes a universal input 42 W, 12 V and 5 V off-line flyback converter using the latest 5th generation Infineon QR CoolSET™ ICE5QR0680AZ which offers high efficiency, low standby power with selectable entry and exit standby power options, wide 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 ICE5QR0680AZ 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 | C | VR(V (AC)) | Safety Class | dV/dt(V/µs) | DF @ 1 kHz(%) | RISO | Pitch(mm) | L(mm) | W(mm) | H(mm) | Packaging | 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) | – | – | – | – | – | – | Pitch5 mm | Length10 mm | – | Height10 mm | PackagingBox | – | 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) | – | – | – | – | – | – | Pitch3.5 mm | Length8.5 mm | – | – | PackagingBox | – | Rated Current2 A | – | – | – | – | ||||
 | WCAP-FTXX Film Capacitors, –, Across the mains | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | – | – | – | – | – | Capacitance47 nF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise300 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch10 mm | Length13 mm | Width4.5 mm | Height9.5 mm | PackagingBulk | – | – | – | – | – | – | ||||
| WCAP-FTXX Film Capacitors, –, Across the mains | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-FTXX Film Capacitors | – | – | – | – | – | Capacitance220 nF | Rated Voltage310 V (AC) | Safety ClassX2 | Rate of Voltage Rise240 V/µs | Dissipation Factor0.1 % | Insulation Resistance30 GΩ | Pitch12.5 mm | Length15 mm | Width7 mm | Height12.5 mm | PackagingBulk | – | – | – | – | – | – | ||||
 | WE-TI Radial Leaded Wire Wound Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TI Radial Leaded Wire Wound Inductor | – | – | – | – | – | – | – | – | – | – | – | – | Length6 mm | Width6 mm | Height8.5 mm | – | Inductance4.7 µH | Rated Current4.2 A | Saturation Current @ 10%3.7 A | DC Resistance0.03 Ω | Self Resonant Frequency40 MHz | VersionHeat Shrinking Tube | ||||
 | 750343401 | Transformer, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product series Transformer | – | – | – | – | – | – | – | – | – | – | – | – | Length34.16 mm | Width35.2 mm | Height24 mm | PackagingTray | Inductance315 µH | – | – | – | – | – |