SDC373 ic

         Universal Off-line Power Supplies

         Power Adaptors

         Battery Chargers

n       APPLICATION

         Package:TO-92

         Selectable 0.4A to 0.8A Current Limit

         65kHz or 100kHz Switching Frequency

         Proprietary Scalable Output Driver

         Under-voltage Protection with Auto-restart

         Over-Current Protection

         Current Mode Operation

         Hiccup Mode Short Circuit

         Emitter Drive Allows Safe NPN Fly-back Use

         0.3W Standby Power

         Lowest Total Cost Solution

n       FEATURES

The SDC373 is a high performance green-energy off-line power supply controller. It features a scalable driver for driving external NPN or MOSFET transistors for line voltage switching. Consuming only 0.15W in standby, the IC features over-current, hiccup mode short circuit, and under-voltage protection mechanisms.

n       GENERAL DESCRIPTION