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Infineon Technologies ICE5GSAG
18 W adapter power supply for set-top box using ICE5GSAG and IPN70R1K2P7S
Overview
| Topology | Flyback Converter |
| Input voltage | 230 V |
| Switching frequency | 125 kHz |
| Output 1 | 12 V / 1.5 A |
| IC revision | 1.0 |
Description
This document is a reference design for an 18 W adapter power supply for a set-top box with the latest fifthgenerationInfineon Fixed Frequency (FF) controller (ICE5GSAG) and CoolMOS™ P7 (IPN70R1K2P7S). The powersupply is designed with a universal input compatible with most geographic regions, and an isolated output (+12V/1.5 A) on a single-layer PCB.Highlights of the adapter for a set-top box are:- Up to 18 W continuous output power in a universal input voltage range design- High average efficiency and low standby power to meet the European Union’s Code of Conduct (CoC)Version 5 Tier 2 single-voltage external AC-DC power supply basic-voltage requirements- Comprehensive protection feature controller in DSO-8 package and high ESD ruggedness 700 V CoolMOS™P7 superjunction MOSFET- Auto-restart protection scheme to minimize interruption and enhance end-user experience
Features
- 125kHz maximum switching frequency
- Brown in protection, fast and robust start-up operation with cascode configuration
- 3 level selectable entry/exit active burst mode profile (optional)
- Built-in digital soft-start
- Cycle by cycle peak current limitation
- Support both DCM and CCM operation with slope compensation
- Integrated error amplifier to support direct feedback typical with non-isolated flyback topology
- Digital frequency reduction with decreasing load for higher efficiency
- Adjustable line input over voltage protection (optional)
- VCC and CS pin short to ground protection
- OLP, output short, 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 | ISAT,10% (A) | fres (MHz) | Version | IR (A) | L (µH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 7447462022 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-TI Radial Leaded Wire Wound Inductor | 5.7 | 65 | Heat Shrinking Tube | 6.3 | 2.2 | 0.02 | – | – | – | 6 | 6 | 8.5 | THT | ||
 | 7448014501 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | 11 files | Active i| Production is active. Expected lifetime: >10 years. | WE-CMBNC Common Mode Power Line Choke Nanocrystalline | – | – | THT | 4.5 | 400 | 0.022 | 300 | 2100 | Nanocrystalline | 15 | 7.5 | 16 | THT | ||
| 7508111334 | SPEC | – | – | Active i| Production is active. Expected lifetime: >10 years. | Offline Transformer | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 7447462022 | SPEC | |
| 7448014501 | SPEC PCN pendingDue to a pending PCN, a modification of the component will be implemented soon. Please find the PCN below. If you have further questions please get in contact with our sales staff. | |
| 7508111334 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Status | Product series | ISAT,10% (A) | fres (MHz) | Version | IR (A) | L (µH) | RDC max. (Ω) | VR (V (AC)) | VT (V (AC)) | Material | L (mm) | W (mm) | H (mm) | Mount | Samples |
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