Reference Designs
Universal Input to 3.3V, 12V, 36V, 200W Continuous PSU for Class-D Amplifier Reference Design
Texas Instruments
This power module generates all voltages to supply a class-D audio amplifier. The main output voltage is 36V and delivers 200W continuously and 840W peak. The first stage is a power-factor corrected Boost. A Flyback converter supplies 12V on primary side as well as 12V@300mA and 3.3V@200mA on second
Features
- Low cost PFC + 2-switch forward topology provides 200W average, 840W peak power Constant switching frequency: particularly suitable for audio applications Simple thermal inteface: two small heat-sinks placed on one side of
Applications
- AV Receiver
- Professional Audio Amplifier (Rack Mount)
- Professional Speaker Systems
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