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LMD18200T/NOPB
3A, 55V H-Bridge 11-TO-220
LMD18200
www.ti.com SNVS091F –DECEMBER 1999–REVISED APRIL 2013
LMD18200 3A, 55V H-Bridge
Checkfor Samples: LMD18200
1FEATURES APPLICATIONS Delivers Upto 3A Continuous Output • DC and Stepper Motor Drives Operatesat Supply Voltages Upto 55V • Position and Velocity Servomechanisms Low RDS(ON) Typically 0.33Ω per Switchat 3A • Factory Automation Robots TTL and CMOS Compatible Inputs • Numerically Controlled Machinery No “Shoot-Through” Current • Computer Printers and Plotters Thermal Warning Flag Outputat 145°C DESCRIPTION• Thermal Shutdown (Outputs Off)at 170°C The LMD18200isa 3A H-Bridge designed for motion
• Internal Clamp Diodes control applications. The deviceis built usinga multi-
• Shorted Load Protection technology process which combines bipolar and
CMOS control circuitry with DMOS power devices on
• Internal Charge Pump with External Bootstrap the same monolithic structure. Ideal for driving DC
Capability and stepper motors; the LMD18200 accommodates
peak output currents upto 6A. An innovative circuit
which facilitates low-loss sensingof the output current
has been implemented.
Functional Diagram1. Functional Block Diagramof LMD18200
