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Solid State Optronics

Photo-Voltaic MOSFET Drivers

Also referred to as MOSFET Gate Drivers or Gate Drive Optocouplers, SSO Photo-Voltaic MOSFET Drivers are an optically-isolated means of driving discrete MOSFETs. Unlike conventional MOSFET Drivers, Photo-Voltaic MOSFET Drivers require no complex and costly external power supply circuitry to operate.

Rather, SSO Photo-Voltaic MOSFET Drivers operate by application of a low power signal from the primary side of the isolation barrier, which turns on an input LED optically coupled to SSO’s proprietary IC. This IC provides an output voltage used to drive the gate of a discrete MOSFET. The integrated rapid discharge circuit of the IC guarantees fast turn-off times.

Use of SSO MOSFET Drivers simplifies circuit designs through reduced drive circuit complexity, cost and board space, when compared to alternative techniques for isolated switching of discrete MOSFETs.

Moreover, SSO MOSFET Drivers allows designers the flexibility to create discrete SSRs by choosing the isolation value and MOSFET gate voltages separate from the discrete MOSFET to be driven.

SSO MOSFET Drivers are offered in 4 pin SOP, 6 pin DIP/SMD and 8 pin DIP/SMD packages.

Features

  • High input to output potential isolation (up to 5kVrms)
  • No need for external power supply
  • Solid State Reliability
  • Input control current (2-20mA)
  • Open Circuit Voltages (6-14V)
  • Short Circuit Currents (3-25uA)
  • Offered in 4SOP, 6DIP/SMD and 8DIP/SMD packages
  • Surface Mount Tape & Reel version available (suffix –TR)

Applications

  • MOSFET Driver
  • Programmable Controls
  • Process Controls
  • Instrumentation
  • Telecommunications
  • Discrete SSRs
  • Floating Power Source
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