RDR-1090 - 12 W Isolated Flyback Power Supply for Appliances Using TinySwitch-5
12 W isolated flyback power supply for appliances using TinySwitch-5 (TNY5071K)
- Output: 12 V, 1 A
- Input: 85 - 265 VAC
- Most cost-effective BOM possible for a 12 W flyback
- Simple feedback to meet +/-5% voltage regulation with Zener diode, no TL431 needed
- <150 kHz switching frequency for small EE16 transformer
- >87% average efficiency at 115 VAC and 230 VAC
- >70% efficient at 230 VAC and 300 mW input
- >210 mW available power in standby, under the 300 mW ErP limit
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