LM2917N-8

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The LM2917N-8 is a pulse-width modulation integrated circuit (IC) pulse-width modulation (PWM) voltage-to-frequency (V/F) converter used to convert an input voltage signal into an output frequency signal. This type of integrated circuit can be used in applications including motor control and power supply regulation.

This PWM voltage-to-frequency converter utilises a reference voltage determined by the user to create a reference frequency (Fs). A feedback loop is then used to compare the reference frequency to the output frequency, so that any variation in the output voltage can be monitored. With the LM2917N-8, the output voltage is converted into a frequency that is the same as the reference frequency when the input voltage is equal to the reference voltage. This output frequency can then be used to drive external circuits or components.

The LM2917N-8 is capable of providing excellent stability and accuracy, while maintaining a minimum output equivalent to 1/16th of the reference frequency. It features a maximum operating voltage of 15V, an operating temperature range of 0°C to 70°C, and is available in an 8-pin DIP package. The circuit is available in a 300kHz reference frequency version and provides a frequency resolution of 0.1Hz.

The LM2917N-8 includes various features such as input current limiting and output slew rate control, making it suitable for use in a range of motor control and power supply regulation applications. It also has low power consumption and can achieve an optimum operating frequency of up to 250kHz. This PWM voltage-to-frequency converter also provides good temperature stability for long-term accuracy, and its output stage is immune to transient voltage spikes.

The LM2917N-8 also has a wide input voltage range from 3V to 15V and provides programmable output frequency and duty cycle settings that can be adjusted via a voltage control pin. This ensures an accurate conversion of input voltage to output frequency and helps to ensure the correct output frequency no matter what the input voltage is. The LM2917N-8 can also be used in a variety of motor control applications, and is ideal for motor synchronization in multiple motor applications.

Overall, the LM2917N-8 is a versatile PWM voltage-to-frequency converter, providing low power consumption, high accuracy and stability, wide input voltage range and excellent temperature stability, making it ideal for motor control and power supply regulation applications. This makes it a great solution for any motor control or power supply regulation requirements.

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