MIC4428CN Datasheet

Dual 1.5A-Peak Low-Side MOSFET Driver


General Description
The MIC4426/4427/4428 family are highly-reliable dual low side MOSFET drivers fabricated on a BiCMOS/DMOS process for low power consumption and high efficiency. These drivers translate TTL or CMOS input logic levels to output voltage levels that swing within 25mV of the positive supply or ground. Comparable bipolar devices are capable of swinging only to within 1V of the supply. The MIC4426/7/8 is available in three configurations: dual inverting, dual noninverting, and one inverting plus one noninverting output.

•  Bipolar/CMOS/DMOS construction
•  Latch-up protection to >500mA reverse current
•  1.5A-peak output current
•  4.5V to 18V operating range
•  Low quiescent supply current
     4mA at logic 1 input
     400µA at logic 0 input
•  Switches 1000pF in 25ns
•  Matched rise and rall times
•  7Ω output impedance
•  <40ns typical delay
•  Logic-input threshold independent of supply voltage
•  Logic-input protection to –5V
•  6pF typical equivalent input capacitance
•  25mV max. output offset from supply or ground
•  Replaces MIC426/427/428 and MIC1426/1427/1428
•  Dual inverting, dual noninverting, and inverting/noninverting configurations
•  ESD protection

•  MOSFET driver
•  Clock line driver
•  Coax cable driver
•  Piezoelectic transducer driver



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Manufacturer information


Micrel is now Microchip

Micrel Inc., is a leading manufacturer of IC solutions for the worldwide high-performance analog and high-speed mixed signal, LAN and timing and communications solutions markets. The company's products include high performance analog, power, advanced mixed-signal and radio frequency semiconductors; high speed communication, clock management, and LAN solutions including Ethernet switch and physical layer transceiver integrated circuits. These products address a wide range of rapidly growing end markets including cellular handsets, portable and enterprise computing, enterprise and home networking, wide area and metropolitan area networks and industrial equipment.

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