SC4809A: High-Performance Bi-Phase Current-Mode PWM Controller | Semtech

The SC4809A SC4809B SC4809C is a 10 pin BICMOS primary side current mode controller for use in Isolated DC-DC and off-line switching power supplies. It is a highly integrated solution, requiring few external components. It features a high frequency of operation, accurately programmable maximum duty cycle, current mode control, line voltage monitoring, supply UVLO, low start-up current, and programmable soft start with user accessible reference. It operates in a fixed frequency, highly desirable for Telecom applications. Features a separate sync pin which simplifies synchronization to an external Clock Feeding the Oscillator of one device to the sync of another forces biphase operation which reduces input ripple and Filter size. The SC4809A SC4809B SC4809C have different threshold and VREF to accommodate a wide variety of applications. By Semtech Corporation
SC4809A 's PackagesSC4809A 's pdf datasheet
SC4809AIMSTR
SC4809AIMSTRT




SC4809A Pinout, Pinouts
SC4809A pinout,Pin out
This is one package pinout of SC4809A,If you need more pinouts please download SC4809A's pdf datasheet.

SC4809A Application circuits
SC4809A circuits
This is one application circuit of SC4809A,If you need more circuits,please download SC4809A's pdf datasheet.


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