SC4911: Bias/Primary Side PWM Controller With Ultra-Low Start-up Current | Semtech

The SC4911 is a highly integrated bias/primary side PWM controller designed for off-line or isolated DC-DC convert- ers in telecommunication and data Communication ap- plications. The high degree of integration minimizes the amount of Discrete parts needed and leads to substan- tial cost and space saving converter designs. The circuitry of the SC4911 includes line voltage UVLO featuring startup current less than 50A and program mable switching frequency. The device supply is derived from an auxiliary winding on the transformer. The auxil- iary winding could also provide output feedback informa- tion if an Optocoupler is not used. By Semtech Corporation
SC4911 's PackagesSC4911 's pdf datasheet
SC4911AMSTRT
SC4911BMSTRT
SC4911IMSTR
SC4911IMSTRT




SC4911 Pinout, Pinouts
SC4911 pinout,Pin out
This is one package pinout of SC4911,If you need more pinouts please download SC4911's pdf datasheet.

SC4911 Application circuits
SC4911 circuits
This is one application circuit of SC4911,If you need more circuits,please download SC4911's pdf datasheet.


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