9.0 A,高速 MOSFET 驱动器

概览

NCP4421/4422 为高电流缓冲器/驱动器,能够驱动大型 MOSFET 和 IGBT。它们基本上不受任何形式扰动的影响,但直接过电压或过功耗除外 - 它们不能在其功率和电压额定值范围内的任何条件下进行锁存;当其接地端子上存在高达 5.0 V 的接地反弹时,它们不会受到损坏或不正常运行;它们的每个极性可以接受超过 1.0 A 的直感电流,并强制返回其输出,而不会发生损坏或逻辑扰动。另外,所有端子均针对 4.0 kV 的静电放电进行了保护。输入可直接由 TTL 或 CMOS(3.0 V 至 18 V)驱动。另外,输入中内置了 300 mV 的磁滞,提供抗扰性,并使得该器件能够由慢慢升降的波形进行驱动。

  • Line Drivers for Extra-Heavily-Loaded Lines
  • Pulse Generators
  • Driving the Largest MOSFETs and IGBTs
  • Local Power ON/OFF Switch
  • Motor and Solenoid Driver

  • Tough CMOS - Construction
  • High Peak Output Current (9.0 A)
  • High Continuous Output Current (2.0 A Max)
  • Fast Rise and Fall Times:
    - 30 ns with 4,700 pF Load
    - 180 ns with 47,000 pF Load
  • Short Internal Delays (30 nsec Typ)
  • Low Output Impedance (1.4 W Typ)

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