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IR21091 Datasheet(PDF) 1 Page - International Rectifier |
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IR21091 Datasheet(HTML) 1 Page - International Rectifier |
1 / 8 page HALF-BRIDGE DRIVER Features • Floating channel designed for bootstrap operation Fully operational to +600V Tolerant to negative transient voltage dV/dt immune • Gate drive supply range from 10 to 20V • Undervoltage lockout for both channels • 3.3V, 5V and 15V input logic compatible • Cross-conduction prevention logic • Matched propagation delay for both channels • High side output in phase with IN input • Logic and power ground +/- 5V offset. • Internal 500ns dead-time, and programmable up to 5us with one external RDT resistor • Lower di/dt gate driver for better noise immunity • The dual function DT/SD pin input turns off both channels. • Available in Lead-Free Description The IR21091(S) are high voltage, high speed power MOSFET and IGBT drivers with dependant high and low side referenced output channels. Proprietary HVIC and latch immune CMOS technologies enable rugge- Packages 8 Lead PDIP IR21091(S) & (PbF) Data Sheet No. PD60191 revD 8 Lead SOIC VOFFSET 600V max. IO+/- 120 mA / 250 mA VOUT 10 - 20V ton/off (typ.) 680 & 170 ns Dead time 500 ns (programmable up to 5uS) Product Summary www.irf.com 1 Typical Connection IR21091(S) V CC V B V S HO LO COM IN DT/SD SD IN up to 600V TO LOAD V CC dized monolithic construction. The logic input is compatible with standard CMOS or LSTTL output, down to 3.3V logic. The output drivers feature a high pulse current buffer stage designed for minimum driver cross- conduction. 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 volts. (Refer to Lead Assignments for correct configuration). This/These diagram(s) show electrical connections only. Please refer to our Application Notes and DesignTips for proper circuit board layout. |
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