LM555CN datasheet by Texas Instruments

LM555CN Frequently Asked Questions (FAQs)

• What is the maximum frequency of operation for the LM555CN?
  The maximum frequency of operation for the LM555CN is approximately 500 kHz, but this can vary depending on the specific application and component values.
• Can I use the LM555CN as a voltage regulator?
  No, the LM555CN is not designed to be used as a voltage regulator. It is a timer IC, and its output is a digital signal, not a regulated voltage.
• How do I ensure the LM555CN oscillates at a stable frequency?
  To ensure stable oscillation, make sure to use a high-quality capacitor (e.g., ceramic or film) for the timing capacitor (C1), and choose a resistor value (R1) that is within the recommended range (1 kΩ to 1 MΩ).
• What is the minimum and maximum supply voltage for the LM555CN?
  The minimum supply voltage for the LM555CN is 4.5 V, and the maximum supply voltage is 16 V.
• Can I use the LM555CN in a monostable (one-shot) configuration?
  Yes, the LM555CN can be used in a monostable configuration by connecting the trigger input (pin 2) to the threshold input (pin 6) and applying a negative-going pulse to the trigger input.