NCP4305 Series

Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies

Catalog

Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies

Part	Operating Temperature [Max]	Operating Temperature [Min]	Applications	Supplier Device Package	Voltage - Supply	Package / Case	Package / Case [y]	Package / Case [x]	Mounting Type	Contents	Main Purpose	Utilized IC / Part
ON Semiconductor NCP4305ADR2G	125 °C	-40 °C	Secondary-Side Controller Synchronous Rectifier	8-SOIC	35 V	8-SOIC	3.9 mm	0.154 in	Surface Mount
ON Semiconductor NCP4305FLY40GEVB										Board(s)	AC/DC Secondary Side	NCP4305
ON Semiconductor NCP4305DDR2G	125 °C	-40 °C	Secondary-Side Controller Synchronous Rectifier	8-SOIC	35 V	8-SOIC	3.9 mm	0.154 in	Surface Mount
ON Semiconductor NCP4305AMTTWG	125 °C	-40 °C	Secondary-Side Controller Synchronous Rectifier	8-WDFN (2x2)	35 V	8-WFDFN			Surface Mount

Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies

• Precise True Secondary Zero Current Detection with Adjustable Threshold

• Typically 20 ns Turn off Delay from Current Sense Input to Driver

• Zero Current Detection Pin Capability up to 200 V

• Optional Ultrafast (7ns) Trigger Input

• Disable Input

• Adjustable Minimum ON Time and Minimum OFF Time

• Self Synchronization

• 8 A Sink, 4 A Source Drive capability

• Light Load Detection with Modulated Gate Drive

• 4.5 V & 9 V UVLO Options and 36 V(Max)