The VP12 is a high-voltage, N-channel vertical DMOS FET manufactured by Supertex, Inc. It is designed for high-speed pulse applications and high voltage switching. The VP12 is known for its fast switching times, low input capacitance, and high input impedance making it a good choice for applications requiring precise control and minimal loading of the driving circuit.
Applications:
- Ultrasound Transducer Drivers
- Piezo Drivers
- Arbitrary Waveform Generation
- High Voltage Amplifiers
- High-Speed Switching Circuits
Features:
- High Breakdown Voltage
- Fast Switching Speeds
- Low Input Capacitance
- High Input Impedance
- Avalanche Energy Rated
Benefits:
- Efficient and Precise High-Voltage Switching
- Minimal Distortion in Pulse Applications
- Reduced Drive Circuit Loading
- Reliable Operation in High-Voltage Environments
- Simplified Circuit Design
Additional Details:
The VP12 typically features a breakdown voltage (VDS) of around 400V to 450V and a continuous drain current (ID) rating of several hundred milliamperes. The gate threshold voltage (VGS(th)) is relatively low, typically in the range of 2V to 4V, allowing for easy driving with standard logic levels. The fast switching times are due to the low gate charge and internal capacitances.
The device is commonly used in ultrasound transducer driver circuits, where it generates the high-voltage pulses required to excite the transducer. It is also suitable for piezo driver applications, where it can control the position and movement of piezoelectric elements with high precision. In arbitrary waveform generators, the VP12 allows for the creation of complex waveforms with fast rise and fall times. High-voltage amplifiers utilize the VP12 for boosting the amplitude of signals while maintaining high fidelity. The device's high-speed switching capabilities make it useful in various switching circuits, such as those found in power supplies and motor control applications.
