LMD18200T Datasheet

3A, 55V H-Bridge


General Description
The LMD18200 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. Ideal for driving DC and stepper motors; the LMD18200 accommodates peak output currents up to 6A. An innovative circuit which facilitates low-loss sensing of the output current has been implemented.

Delivers up to 3A continuous output
Operates at supply voltages up to 55V
Low RDS(ON) typically 0.3Ωper switch
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

DC and stepper motor drives
Position and velocity servomechanisms
Factory automation robots
Numerically controlled machinery
Computer printers and plotters



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