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MIC4422

Micrel Semiconductor
Part Number MIC4422
Manufacturer Micrel Semiconductor
Description 9A-Peak Low-Side MOSFET Driver
Published Jan 7, 2015
Detailed Description MIC4421/4422 Micrel, Inc. MIC4421/4422 9A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process General Description MI...
Datasheet PDF File MIC4422 PDF File

MIC4422
MIC4422

Overview
MIC4421/4422 Micrel, Inc.
MIC4421/4422 9A-Peak Low-Side MOSFET Driver Bipolar/CMOS/DMOS Process General Description MIC4421 and MIC4422 MOSFET drivers are rugged, efficient, and easy to use.
The MIC4421 is an inverting driver, while the MIC4422 is a non-inverting driver.
Both versions are capable of 9A (peak) output and can drive the largest MOSFETs with an improved safe operating margin.
The MIC4421/4422 accepts any logic input from 2.
4V to VS without external speed-up capacitors or resistor networks.
Proprietary circuits allow the input to swing negative by as much as 5V without damaging the part.
Additional circuits protect against damage from electrostatic discharge.
MIC4421/4422 drivers can replace three or more discrete components, reducing PCB area requirements, simplifying product design, and reducing assembly cost.
Modern Bipolar/CMOS/DMOS construction guarantees freedom from latch-up.
The rail-to-rail swing capability of CMOS/DMOS insures adequate gate voltage to the MOSFET during power up/down sequencing.
Since these devices are fabricated on a self-aligned process, they have very low crossover current, run cool, use little power, and are easy to drive.
Features • BiCMOS/DMOS Construction • Latch-Up Proof: Fully Isolated Process is Inherently Immune to Any Latch-up.
• Input Will Withstand Negative Swing of Up to 5V • Matched Rise and Fall Times .
25ns • High Peak Output Current .
9A Peak • Wide Operating Range 4.
5V to 18V • High Capacitive Load Drive .
.
47,000pF • Low Delay Time 30ns Typ.
• Logic High Input for Any Voltage from 2.
4V to VS • Low Equivalent Input Capacitance (typ) .
.
7pF • Low Supply Current .
.
.
.
450µA With Logic 1 Input • Low Output Impedance .
1.
5Ω • Output Voltage Swing to Within 25mV of GND or VS Applications • Swi...


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