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Description

General part information

MIC4423 Series

The MIC4423/4424/4425 family are highly reliable BiCMOS/DMOS buffer/driver/MOSFET gate drivers. They are higher output current versions of the MIC4426/4427/4428, which are improved versions of the MIC426/427/428. All three families are pin-compatible. The MIC4423/4424/4425 drivers are capable of giving reliable service in more demanding electrical environments than their predecessors. They will not latch under any conditions within their power and voltage ratings. They can survive up to 5 V of noise spiking, of either polarity, on the ground pin. They can accept, without either damage or logic upset, up to half an amp of reverse current (either polarity) forced back into their outputs. The MIC4423/4424/4425 series of gate drivers are easier to use, more flexible in operation, and more forgiving than other CMOS or bipolar drivers currently available. Their BiCMOS/DMOS construction dissipates minimum power and provides rail-to-rail voltage swings. Primarily intended for driving power MOSFETs, the MIC4423/4424/4425 gate drivers are suitable for driving other loads (capacitive, resistive, or inductive) which require low impedance, high peak currents, and fast switching times. Heavily loaded clock lines, coaxial cables, or piezoelectric transducers are some examples. The only known limitation on loading is that total power dissipated in the driver must be kept within the maximum power dissipation limits of the package.

Technical Specifications

Parameters and characteristics for this part

SpecificationMIC4423CN
Channel TypeIndependent
Current - Peak Output (Sink)3 A
Current - Peak Output (Source)3 A
Driven ConfigurationLow-Side
Fall Time (Typ)32 ns
Gate ChannelN-Channel, P-Channel
Gate TypeN-Channel, P-Channel MOSFET, MOSFET
Input TypeInverting
Logic Voltage - VIH2.4 V
Logic Voltage - VIL0.8 V
Mounting TypeThrough Hole
Number of Drivers2
Operating Temperature (Max)150 °C
Operating Temperature (Min)0 °C
Package Length0.3 in
Package Name8-DIP, 8-PDIP
Package Width7.62 mm
Rise Time (Typ)28 ns
Voltage - Supply (Maximum)18 V
Voltage - Supply (Minimum)4.5 V

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