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PC Standby Power Supply Applications
Power Integrations offers a broad range of highly integrated, high-voltage ICs for off-line power conversion in PC standby power supply applications. Each IC includes a 700 V power MOSFET combined with control and protection circuitry on a single chip. Features include current limiting and thermal shutdown with automatic fault recovery capability to improve reliability, frequency jittering to reduce EMI and EcoSmart® technology to dramatically reduce standby energy waste.
| Typical Product Application | Design Ideas | Design Example Reports | Engineering Prototype Reports | Reference Design Kits |
|---|---|---|---|---|
| 20 W PC Standby Power Supply |  | |||
| 17 W PC Standby Power Supply | |
Product Families Used in These Applications
| IC Product Family | Typical Circuit Configuration | Power/Current Ratings | Description |
|---|---|---|---|
| TinySwitch®-III | Flyback | Up to 28.5 W | Improved design flexibility, reduced input capacitance and transformer size due to time extension and I2f ratings. |
| TinySwitch®-II | Flyback | Up to 23 W | Integrated auto-restart for short circuit and open-loop fault protection, line UV detect and frequency jittering for EMI suppression. |
| TOPSwitch®-HX | Flyback | Up to 290 W | Incorporates a 700 V power MOSFET, high voltage switched current source, PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device. |
| TOPSwitch®-GX | Flyback | Up to 290 W | Extended power range with UV detection, OV shutdown, externally programmable current limit and remote ON/OFF capability. |
Related Design Support Documents
| General Design Information | Design Guides | ||
|---|---|---|---|
| Product Datasheets | AN-15 | TOPSwitch® Power Supply Design Techniques for EFI and Safety | |
| AC-DC Selector Guide | AN-18 | TOPSwitch® Flyback Transformer Construction Guide | |
| Package Information | AN-29 | TOPSwitch®-GX Flyback Quick Selection Curves | |
| AN-32 | TOPSwitch®-GX Flyback Design Methodology | ||
| AN-43 | TOPSwitch®-HX Design Guide | ||
Other Related Links
Power Integrations Introduces TinySwitch®-III Power Conversion IC Family
Information on Appliance Energy Regulations (Power Integrations' "Green Room")
Contact your local Power Integrations Sales Representative or Distributor for assistance.