The LMD is a 3A H-Bridge designed for motion control applications. The device is built using a multi-technology process which combines bipolar and. LMD LMD – 3-Amp, 55 Volt H-Bridge, Package: to , Pin Nb= The a 3A H-Bridge designed for motion control applications. The device is built. LMD datasheet, LMD circuit, LMD data sheet: NSC – 3A, 55V H-Bridge,alldatasheet, datasheet, Datasheet search site for Electronic.
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Thermal warning flag output at ? The device is built using a multi-technology. Thermal shutdown outputs off at ? The H-Bridge configuration is ideal for driving DC and step. The LMD accommodates peak output. Internal charge pump with external bootstrap capability.
Current sensing can be achieved via a. For current sensing without disturbing the path. DC and stepper motor vatasheet. Position and velocity servomechanisms.
Computer printers and plotters. Connection Diagram and Ordering Information. Absolute Maximum Ratings Note 1.
Junction Temperature, T J max. ESD Susceptibility Note 4. Distributors for availability and specifications. Lead Temperature Soldering, 10 sec. Voltage at Pins 3, 4, 5 and 9. Operating Ratings Note 1. Voltage at Bootstrap Pins Pins 1 and Peak Output Current ms.
Junction Temperature, T J. Continuous Output Current Note 2. V S Supply Voltage. Power Dissipation Note 3.
Sense Voltage Datasheey 7 to Pin 8. Electrical Characteristics Note 5. Boldface limits apply over the entire operating. Clamp Diode Forward Drop. Logic Low Input Voltage. Pins 3, 4, 5. Logic Low Input Current. Logic High Input Voltage. Logic High Input Current. Flag Output Saturation Voltage. All Logic Inputs Low. Output Turn-On Delay Time. Output Turn-On Switching Time. Output Turn-Off Dafasheet Times. Output Turn-Off Switching Times. Minimum Input Pulse Width. Pins 3, 4 and 5.
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Charge Pump Rise Time. Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating. See Application Information for details regarding current limiting. The maximum allowable power. The typical thermal resistance from. Human-body model, pF discharged through a 1. Output currents are pulsed t W. R DS ON vs. Bootstrap capacitor pin for half. The recommended capacitor 10 nF is. Half H-Bridge number 1 output.
The LMD readily interfaces with different forms of. Use of the part with two of the more popular. PUT 2 pins 2 and 10 and, therefore, the direction of rotation. Simple, locked anti-phase PWM consists of a single, vari. This lmd18021 is used to. PWM signal represents zero drive, since the net datassheet of. The drivers that short the motor are determined by the logic. Pin 5, PWM Input: TION input, Pin 3 is used is determined by the format of the.
Pin 6, V S Power Supply.
3-Amp, 55 Volt H-Bridge
The current through the H-Bridge can be sensed. This is the ground return for the. Current delivered to the datashee is pro. This pin provides the. Pin 9 becomes active-low. However the chip will not. C is reached at the junction.
Half H-Bridge number 2 output. Bootstrap capacitor pin for. Source 1, Sink 2. Dataeheet 1, Source 2. Source 1, Source 2. Sink 1, Sink 2.
Amp of load current is required to absorb the recirculating. To ensure proper internal logic performance, it is good prac. A delay of at least 1? Current limiting protection circuitry has been incorporated. A conservative approach is be sure there is at. With any power device it is.
The protection circuitry monitors the current.
This permits a wired OR connection of thermal. In a typical datassheet. This output typically drives. Once the device is shut down, the control cir.
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Dxtasheet maximum voltage compliance on the. This feature allows the immediate return to normal operation. During switching transitions the levels of fast current. This can create voltage transients on the V CC. It is normally necessary to datashest the supply rail with a high. The most severe condition for any power device is a direct. This condition can generate a surge of current. This energy can be destructive.
Typically the ceramic capacitor can. Proper heat sink design is essential. Note that when driving high load currents a greater amount.