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MC33039D Datasheet - Motorola

Part Name
Description
MFG CO.
MC33039D
Motorola
Motorola => Freescale Motorola
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Closed Loop Brushless Motor Adapter

The MC33039 is a high performance closed–loop speed control adapter specifically designed for use in brushless DC motor control systems. Implementation will allow precise speed regulation without the need for a magnetic or optical tachometer. This device contains three input buffers each with hysteresis for noise immunity, three digital edge detectors, a programmable monostable, and an internal shunt regulator. Also included is an inverter output for use in systems that require conversion of sensor phasing. Although this device is primarily intended for use with the MC33035 brushless motor controller, it can be used cost effectively in many other closed–loop speed control applications.

• Digital Detection of Each Input Transition for Improved Low Speed Motor Operation
• TTL Compatible Inputs With Hysteresis
• Operation Down to 5.5 V for Direct Powering from MC33035 Reference
• Internal Shunt Regulator Allows Operation from a Non–Regulated Voltage Source
• Inverter Output for Easy Conversion between 60°/300° and 120°/240° Sensor Phasing Conventions

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Part Name
Description
PDF
MFG CO.
Closed Loop Brushless Motor Adapter
ON Semiconductor
225MHz, Low Power, Output Limiting, Closed Loop Buffer Amplifier
Intersil
330MHz, Gain of +1/Gain of +2 Closed-Loop Buffers
Maxim Integrated
730 MHz Closed Loop Buffer
Elantec -> Intersil
750MHz, Low Distortion Unity Gain, Closed Loop Buffer
Intersil
750MHz, Low Distortion Unity Gain, Closed Loop Buffer
Intersil
High-Speed, Single-Supply, Gain of 2, Closed-Loop, Rail-to-Rail Buffers with Enable
Maxim Integrated
Dual, High Speed, Low Power, Video Closed Loop Buffer
Intersil
Low Distortion 750 MHz Closed-Loop Buffer Amp
Analog Devices
Quad, High Speed, Low Power, Video Closed Loop Buffer
Intersil

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