Design Idea DI-35 TOPSwitch-GX 16 W Audio Amplifier Power Supply

Design Highlights

• No heatsinks required!

• 77 efficiency (min), at 85 VAC input/35 W output

• Low no-load input power: < 0.7 W at 230 VAC input

• Low component count: 37, excluding I/O connectors

• Stable operation with or without 10,000 µF output buffer capacitor

• Robust transformer design enables 35 W peak power

• Meets CISPR22B EMI with >10 dB of margin

• Ideal for both class AB and class D audio amplifiers, 6 channel Dolby Digital with 6 ohm speakers