SZ1110 33W  |  SZ1130 65W 

Unveiling our family expansion of Flyback PWM Controllers with Integrated Active Clamp Circuits

Ease-of-design of a simple flyback controller with all the benefits of an ACF design, including recycling of the leakage inductance energy of the flyback transformer and limiting the primary FET drain voltage spike during the turn-off events.

Best-in-class power density, efficiency performance, and unprecedented BoM savings

The SZ1110 and SZ1130 integrate an adaptive digital PWM controller and the following ultra-high-voltage (UHV) components: active clamp driver, active clamp FET and a start-up regulator. This unprecedented level of integration facilitates designing efficient, high-power-density adapters with low bill-of-material cost to satisfy power-hungry mobile phones, tablets, notebooks and video game consoles.

 

OptiMode   

Digital Control Architecture

 

The SZ1110 and SZ1130 adjusts the device’s mode of operation on a cycle-by-cycle basis to maintain high efficiency, low EMI, fast dynamic load regulation and other key power supply parameters in response to varying line voltage and load.

For pricing and ordering information, contact Silanna Semiconductor at sales@silanna.com

Applications

  • High Power Density AC/DC Power Supplies

  • High Efficiency Power Adapters 

  • USB-PD/QC AC/DC Power Adapters 

  • Battery Chargers for Mobile Devices

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