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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
High Efficiency 12 V, 30 W Standby Power   DER-246    
High Efficiency 20 W Power Supply   DER-247    
20 W PC Standby Power Supply
Design Ideas are concise two-page documents describing a design for a specific application.
      
17 W PC Standby Power Supply Design Ideas are concise two-page documents describing a design for a specific application.      

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®-JX
Flyback 12 W to 177 W Integrated Off-Line Switcher with EcoSmart® Technology for Highly Efficient Power Supplies
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
    AN-47 TOPSwitch®-JX 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.