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PC Power Supply Applications

Power Integrations offers a broad range of highly integrated, high-voltage ICs for off-line power conversion in PC power supply applications. Each IC includes high voltage power MOSFETs 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.



Design Examples

Document Description Design
Ideas		 Design
Example
Reports 		Engineering
Prototype
Reports		 Reference
Design
Kits
High Efficiency 40 W Standby Supply DER-276
High Efficiency 30 W Standby Supply   DER-275    
High Performance, Low Profile 900 W PFC Front End   DER-274    
High Performance, Low Profile 100 W PFC Front End   DER-272    
Low-Power, Low-Cost 180 W PFC Front End     RDR-248 RDK-248
14.5 W Standby and 300 W Main Power Supply     RDR-249 RDK-249
High Performance 347 W PFC Frontend     RDR-236 RDK-236
High Efficiency 12 V, 30 W Standby Power Supply   DER-246    
High Efficiency 5 V, 20 W Standby 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.      

Recommended Product Families

IC Product
Family		 Design Guides Typical Circuit
Configuration		 Power/Current
Ratings		 Description
HiperTFS™ Product family application note. Two-Switch Forward & Flyback Up to 435 W Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs
HiperPFS™ Product family application note. PFC Flyback Up to 1 kW High Power PFC Controller with Integrated High-Voltage MOSFET
SENZero™ NA AC Power Supply NA Simple-to-use device that eliminates significant standby losses by disconnecting unused circuit paths during power-saving modes
CAPZero™ Product family application note. AC Power Supply NA Easy to use device for reducing standby mode power by eliminating power losses from X capacitor discharge resistors
TinySwitch™-III NA Flyback Up to 28.5 W Improved design flexibility, reduced input capacitance and transformer size due to time extension and I2f ratings.
TOPSwitch™-JX
Product family application note. Flyback 12 W to 177 W Integrated Off-Line Switcher with EcoSmart™ Technology for Highly Efficient Power Supplies


Related Design Support Documents

General Design Information
Active Power Factor Correction – Basics
Product Datasheets
AC-DC Selector Guide
Package Information

Related Links

Information on Appliance Energy Regulations (Power Integrations' "Green Room")


Contact your local Power Integrations Sales Representative or Distributor for assistance.