The Power Integrations TNY174PN Tiny Switch is a offline switcher with enhanced flexibility and extended power range. It is most sought after product for applications like chargers/adapters for cell/cordless phones, PDAs, digital cameras, MP3/portable audio, shavers, etc. This package consists of a power mosfet along with thermal shut down circuitry and also houses oscillator, high-voltage switched current source, etc. which make the design take less components and takes less space over PCB. Simple system integration
Extremely energy efficient