iW671
iW671 is Digital Green-Mode Synchronous Rectifier Controller manufactured by iWatt.
i W671 Product Brief
Digital Green-Mode Synchronous Rectifier Controller
1.0 Features
- - Digital adaptive turn-off control minimizes deadtime and eliminates the schottky diode
- - Integrated pulse linear regulator (PLR) allows SR operation at low system output voltage down to 2V in typical 5V2.5A USB charger applications
- - Wide operating voltage up to 17V Input
- - Optimized 5-V MOSFET gate driver
- - Intelligent low power management achieves ultra-low no-load operating current < 0.6m A
- - Lossless MOSFET VDS sensing for SR timing control
- - Integrated adaptive voltage position monitor for fast flyback output voltage undershoot detection
- - Device available in 8-lead SOIC package and 8-pin 3mm x 3mm DFN package
2.0 Description
The i W671 is a high performance synchronous rectifier controller with an integrated MOSFET driver for flyback converters operating at discontinuous conduction mode. bined with the MOSFET, the i W671 can emulate the diode...