描述 Description

The RD7 reference design board is an example of a very low cost production worthy DC input standby power supply design using the TOPSwitch-II family of Three-terminal Off-line PWM switchers. The reference design board is intended to help TOPSwitch-II users quickly develop their products. It provides a basic design that can be easily modified to fit a particular application.

Product Highlights

Low Cost Production Worthy Reference Design

? Up to 3.5 W of output power

? Meets Blue Angel requirements (5 W)

? Single sided board

? Low cost through-hole components

? Fully assembled and tested

? Easy to evaluate and modify

? Extensive performance data

? Light weight - no heat sink required for TOPSwitch-II

? Non-isolated +12 V output option

Fully Protected by TOPSwitch-II

? Primary safety current limit

? Output short circuit protection

? Thermal shutdown protects entire supply

Designed for World Wide Operation

? Designed for IEC/UL safety requirements

? Designed for wide range of input voltage

Typical Applications

? Desktop PC stand-by power supply (PS98, ATX, NLX,

SFX, Micro ATX)

? Consumer stand-by supply (e.g. TV, VCR, DVD)