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)