Power Integrations RDK-710 Reference Design Kit is a 1.4A at 5V and 0.42A at 12V dual output power supply using the InnoSwitch™ 3-TN INN3074M ICs. The INN3074M is a high-efficiency offline IC with a 725V primary MOSFET, synchronous rectification, and integrated secondary-side control. This Power Integrations RDK-710 Reference Design uses a flyback topology and provides 12W output from 85VAC to 265VAC with an 85% efficiency.