INTERNATIONAL RECTIFIER  IR2121PBF  MOSFET Driver Single, Low Side, 12V-18V supply, 3.3A peak out, DIP-8

INTERNATIONAL RECTIFIER IR2121PBF

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Product Overview


The IR2121PBF is a high speed power MOSFET and IGBT Driver with over-current limiting protection circuitry. Latch immune CMOS technology enables ruggedized monolithic construction. Logic inputs are compatible with standard CMOS or LSTTL outputs and down to 2.5V logic. The output driver features a high pulse current buffer stage designed for minimum cross-conduction. The protection circuitry detects over-current in the driven power transistor and limits the gate drive voltage. Cycle-by-cycle shutdown is programmed by an external capacitor which directly controls the time interval between detection of the over-current limiting condition and latched shutdown. The output can be used to drive a N-channel power MOSFET or IGBT in the low-side configuration.
  • Under-voltage lockout
  • Current detection and limiting loop to limit driven power transistor current
  • Error lead indicates fault conditions and programs shutdown time
  • Output in phase with input
  • 2.5, 5 and 15V Input logic compatible

Applications

Industrial; Consumer Electronics
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Product Information


  • Driver Configuration Low Side
  • Peak Output Current 3.3A
  • Supply Voltage Min 12V
  • Supply Voltage Max 18V
  • Driver Case Style DIP
  • No. of Pins 8Pins
  • Input Delay 150ns
  • Output Delay 200ns
  • Operating Temperature Min -40°C
  • Operating Temperature Max 125°C
  • Packaging Each
  • Module Configuration Low Side
  • Device Type MOSFET Driver
  • MSL -
  • Supply Voltage Range 12V to 18V
  • SVHC No SVHC (17-Dec-2015)

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