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Set Top Box Applications

Power Integrations offers a broad range of highly integrated, high-voltage ICs for off-line power conversion in Set-top Box 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 Application Notes
Design
Ideas		 Design
Example
Reports 		Engineering
Prototype
Reports		 Reference
Design
Kits
Wide Range Set-top Box Power Supply Design Ideas are concise two-page documents describing a design for a specific application      
30 W Set-top Box Power Supply Design Ideas are concise two-page documents describing a design for a specific application      
7.5 W (13 W peak) Multiple Output STB Power Supply Design Ideas are concise two-page documents describing a design for a specific application   RDR-115 RDK-115
57 W, 230 VAC, Multi-output Set-top Box Power Supply Design Ideas are concise two-page documents describing a design for a specific application.      
7 W Digital Video Broadcast – Terrestrial (DVB-T) Supply Design Ideas are concise two-page documents describing a design for a specific application.      
43 W, 100/115 VAC Multi-output Set-top Box Power Supply Design Ideas are concise two-page documents describing a design for a specific application.      
28 W Multiple Output Supply with <50 mW No-Load Consumption Design Ideas are concise two-page documents describing a design for a specific application.      
33 W (60 W Peak) Set -top Box/PVR Power Supply Design Ideas are concise two-page documents describing a design for a specific application.      
32 W (47 W Peak) Multiple Output Supply   Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.    
16 W (24 W peak) Multiple Output Supply   Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.    
13 W Power Supply   Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.    
13 W Power Supply   Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.    
42 W, 4 Output Supply   Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.    
30 W Multiple Output Power Supply   Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.    
16 W Power Supply   Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.    
17.4 W Power Supply   Design Example Reports contain a power supply design specification, schematic, bill of materials, transformer documentation, and pcb layout.    
43 W / 57 W (peak), 5 Output Power Supply     Engineering Prototype Reports contain a power supply reference design specification, schematic, bill of materials, transformer documentation, and pcb layout. Performance data and typical operating characteristics are included. The design has been put into production for use in our Reference Design Kits.  
25 W Multiple Output STB, Set-top Power Supply     Engineering Prototype Reports contain a power supply reference design specification, schematic, bill of materials, transformer documentation, and pcb layout. Performance data and typical operating characteristics are included. The design has been put into production for use in our Reference Design Kits.  

Product Families Used in These Applications

IC Product
Family		 Typical Circuit
Configuration		 Power/Current
Ratings		 Description
TOPSwitch®-HX Flyback Up to 254 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.
PeakSwitch® Flyback

45 W continuous,
86 W peak
Simple ON/OFF control – no loop compensation required. Peak power up to three times continuous power. Adaptive on-time extension minimizes bulk capacitor size.
TinySwitch®-III Flyback Up to 28.5 W

On-time extension and tight I2f parameter to reduce size and cost of input capacitor and transformer plus OVP; Frequency jittering for EMI suppression.
TinySwitch®-III Flyback Up to 28.5 W

On-time extension and tight I2f parameter to reduce size and cost of input capacitor and transformer plus OVP; Frequency jittering for EMI suppression.
TinySwitch®-PK Flyback 7.5 W, 13 W peak

All the features of TinySwitch-III, plus a peak power mode further extending its power capability.

TOPSwitch®-GX Flyback Up to 210 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 EMI and Safety
AC-DC Selector Guide AN-18 TOPSwitchFlyback Transformer Construction Guide
Package Information AN-29 TOPSwitch-GX  Flyback Quick Selection Curves
  AN-32 TOPSwitch-GX Flyback Design Methodology
  AN-42 TinySwitch-PK Family
  AN-43 TOPSwitch® HX Design Guide

Other Related Links

Power Integrations Continues Expansion of Energy-Efficient Low-Power IC Family for Chargers/Adapters
 
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