TC428

The TC426/TC427/TC428 are dual CMOS high-speed drivers. A TTL/CMOS input voltage level is translated into a rail-to-rail output voltage level swing.

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The TC426/TC427/TC428 are dual CMOS high-speed drivers. A TTL/CMOS input voltage level is translated into a rail-to-rail output voltage level swing. The CMOS output is within 25mV of ground or positive supply.The low impedance, high-current driver outputs swing a 1000pF load 18V in 30nsec. The unique current and voltage drive qualities make the TC426/TC427/TC428 ideal power MOSFET drivers, line drivers, and DC-to-DC converter building blocks.Input logic signals may equal the power supply voltage. Input current is a low 1A, making direct interface to CMOS/bipolar switch-mode power supply control ICs possible, as well as open-collector analog comparators.Quiescent power supply current is 8mA maximum. The TC426 requires 1/5 the current of the pin-compatible bipolar DS0026 device. This is important in DC-to-DC converter applications with power efficiency constraints and high-frequency switch-mode power supply applications. Quiescent current is typically 6mA when driving a 1000pF load 18V at 100kHz.The inverting TC426 driver is pin-compatible with the bipolar DS0026 and MMH0026 devices. The TC427 is noninverting; the TC428 contains an inverting and non-inverting driver.Other pin compatible driver families are the TC1426/27/28, TC4426/27/28, and TC4426A/27A/28A.

  High-Speed Switching (CL = 1000pF).........................30nsec

  High Peak Output Current............1.5A

  High Output Voltage Swing ..... VDD – 25mV GND +25mV

  Low Input Current (Logic "0" or "1") ........1mA

  TTL/CMOS Input Compatible

  Available in Inverting and Noninverting Configurations

  Wide Operating Supply Voltage .....4.5V to 18V

  Current Consumption

  Inputs Low ..............0.4mA

  Inputs High .............8mA

  Single Supply Operation

  Low Output Impedance .................6W

  Pinout Equivalent of DS0026 and MMH0026

  Latch-Up Resistant: Withstands > 500mA Reverse Current

  ESD Protected ............................2kV

  Dual, Inverting and Non-inverting

    TC428封装图

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