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1FEATURES

2? Delivers up to 3A Continuous Output

? Operates at Supply Voltages up to 55V

? Low RDS(ON) Typically 0.33Ω per Switch at 3A

? TTL and CMOS Compatible Inputs

? No “Shoot-Through” Current

? Thermal Warning Flag Output at 145°C

? Thermal Shutdown (Outputs Off) at 170°C

? Internal Clamp Diodes

? Shorted Load Protection

? Internal Charge Pump with External Bootstrap

Capability

APPLICATIONS

? DC and Stepper Motor Drives

? Position and Velocity Servomechanisms

? Factory Automation Robots

? Numerically Controlled Machinery

? Computer Printers and Plotters

DESCRIPTION

The LMD18201 is a 3A H-Bridge designed for motion control applications. The device is built using a multi-

technology process which combines bipolar and

CMOS control circuitry with DMOS power devices on

the same monolithic structure. The H-Bridge

configuration is ideal for driving DC and stepper

motors. The LMD18201 accommodates peak output

currents up to 6A. Current sensing can be achieved

via a small sense resistor connected in series with

the power ground lead. For current sensing without

disturbing the path of current to the load, the

LMD18200 is recommended.