IRS2112 High and Low Side MOSFET and IGBT Driver

The IRS2112 is a high voltage, high speed power MOSFET and IGBT driver with independent high- and low-side referenced output channels.

Proprietary HVIC and latch immune CMOS technologies enable ruggedized monolithic construction. Logic inputs are compatible with standard CMOS or LSTTL outputs, down to 3.3 V logic. The output drivers feature a high pulse current buffer stage designed for minimum driver cross-conduction. Propagation delays are matched to simplify use in high frequency applications. The floating channel can be used to drive an N-channel power MOSFET or IGBT in the high-side configuration which operates up to 600 V.

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Features of IRS2112

• Floating channel designed for bootstrap operation

• Fully operational to +600 V

• Tolerant to negative transient voltage, dV/dt immune

• Gate drive supply range from 10 V to 20 V

• Under voltage lockout for both channels

• 3.3 V logic compatible

• Separate logic supply range from 3.3 V to 20 V

• Logic and power ground +/- 5 V offset

• CMOS Schmitt-triggered inputs with pull-down

• Cycle by cycle edge-triggered shutdown logic

• Matched propagation delay for both channels

• Outputs in phase with inputs

• RoHS Compliant