iW671

iW671 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 < 0.6mA ●● 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 iW671 is a high performance synchronous rectifier controller with an integrated MOSFET driver for flyback converters operating at discontinuous conduction mode. Combined with the MOSFET, the iW671 can emulate the diode rectifier ...