Audio

Power Integrations offers a range of power conversion ICs that can provide reliable, efficient, low cost power solutions for audio power applications. Capable of supporting peak power requirements in excess of three times average power requirements with no increase in transformer size, the PeakSwitch™ product family is ideal for supporting applications with large peak loads, such as:

  • Audio amplifiers
  • Computer audio
  • Home theater
  • MP3 music players
  • MP3 audio systems
  • Digital radio applications

Design Examples

Document Description Design
Ideas
Design
Example
Reports
Engineering
Prototype
Reports
Reference
Design Kits
150 W LLC High-Voltage DC-DC Resonant Converter    RDK-239
50 W (200 W Peak) Multiple Output Flyback Power Supply Design Ideas are concise two-page documents describing a design for a specific application. Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.   RDK-203
75 W (126 W Peak) Multiple Output Flyback Power Supply
Using Magnetic Amplifiers
Design Ideas are concise two-page documents describing a design for a specific application.      
80 W (200 W Peak) Multiple Output Power Supply
     
70 W (126 W Peak) Audio Amplifier Power Supply      
24 W (36 W Peak) Audio Amplifier Power Supply      
10 W Adapter for Portable Audio Players With Latching Overvoltage and Over-Temperature Shutdown Protection      
20 W (43 W Peak) Audio Amplifier Power Supply      
5 W High Efficiency Charger for Portable Audio Players      
General Purpose 32 W (81 W Peak) Supply   DAK-93
6 W Universal Input CV Adapter       RDK-201
12 W Universal Input CV Adapter   RDK-91
Low-Cost 2 W Universal Input CV Adapter   DAK-89
16 W Audio Amplifier Power Supply      

Recommended Product Families

IC Product Family Design Guides Typical Circuit
Configuration
Power/Current
Rating*
Description
HiperLCS™ Product family application note. LLC Half-bridge Up to 440 W Integrated LLC power stage incorporating a multi-function controller, high-side and low-side gate drivers, plus two power MOSFETs in a half-bridge configuration
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
LinkSwitch™-II Product family application note. Flyback Up to 5.5 W Tight CV/CC, primary side control, capable of exceeding all energy efficiency specifications.
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.
PeakSwitch Product family application note. Flyback Up to 290 W† Enhanced, energy-efficient, off-line Switcher IC with super peak power performance
TOPSwitch™-JX
Product family application note. Flyback 12 W to 177 W Integrated Off-Line Switcher with EcoSmart™ Technology for Highly Efficient Power Supplies
TinySwitch™-PK
Product family application note. Flyback Up to 35 W Peak surge power capability allows more power for audio applications without increasing component size
* Universal input, open frame
† Peak power output


Related Design Support Documents

General Design Information
Product Datasheets
Package Information

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