MIC4452BM-TR

MIC4452BM-TR Features

• BiCMOS/DMOS Construction • Latch-Up Proof: Fully Isolated Process isInherently Immune to Any Latch-Up • Input Will Withstand Negative Swing of up to 5V • Matched Rise and Fall Times: 25 ns • High Peak Output Current: 12A • Wide Operating Range: 4.5V to 18V • High Capacitive Load Drive: 62,000 pF • Low Delay Time: 30 ns (typ.) • Logic High Input for Any Voltage from 2.4V to VS • Low Supply Current 450 µA with Logic 1 Input • Low Output Impedance: 1.0Ω • Output Voltage Swing to within 25 mV of GND orVS • Low Equivalent Input Capacitance: 7 pF (typ.)

MIC4452BM-TR General Description

The MIC4451 and MIC4452 CMOS MOSFET driversare robust, efficient, and easy to use. The MIC4451 isan inverting driver, while the MIC4452 is anon-inverting driver.Both versions are capable of 12A (peak) output andcan drive the largest MOSFETs with an improved safeoperating margin. The MIC4451/52 accept any logicinput from 2.4V to VS without external speed-upcapacitors or resistor networks. Proprietary circuitsallow the input to swing negative by as much as 5Vwithout damaging the part. Additional circuits protectagainst damage from electrostatic discharge.MIC4451/52 drivers can replace three or more discretecomponents, reducing PCBarea requirements,simplifying product design, and reducing assemblycost.Modern Bipolar/CMOS/DMOS construction ensuresfreedom from latch-up. The rail-to-rail swing capabilityof CMOS/DMOS ensures adequate gate voltage to theMOSFET during power up/down sequencing. Becausethese devices are fabricated on a self-aligned process,they have very low crossover current, run cool, use littlepower, and are easy to drive.

MIC4452BM-TR Applications

• Switch Mode Power Supplies • Motor Controls • Pulse Transformer Driver • Class-D Switching Amplifier • Line Drivers • Driving MOSFET or IGBT Parallel Chip Modules • Local Power ON/OFF Switch • Pulse Generators