iW1691 Datasheet - iWatt

iW1691, Digital PWM Current-Mode Controller

iW1691 Digital PWM Current-Mode Controller for Quasi-Resonant Operation 1.0

Features

* Primary-side feedback eliminates opto-isolators and simplifies design
* Quasi-resonant operation for highest overall efficiency
* EZ-EMI ® design to easily meet global EMI standards
* Up to 130 kHz switching frequency enables small adapter size
* Built-

Applications

* over a wide input voltage range. The ultra-low operating current at light load ensures that the iW1691 is ideal for applications targeting the newest regulatory standards for average efficiency and standby power. 3.0 Applications
* AC/DC adapter/chargers for cell phones, PDAs, digital still

iW1691-iWatt.pdf