ULN2064B datasheet by STMicroelectronics

ULN2064B Frequently Asked Questions (FAQs)

• What is the maximum current that can be sunk by each output?
  The maximum current that can be sunk by each output of the ULN2064B is 500mA.
• Can I use the ULN2064B to drive inductive loads?
  Yes, the ULN2064B can be used to drive inductive loads, but it's recommended to add a flyback diode to protect the device from back-EMF.
• What is the minimum input voltage required for the ULN2064B to function properly?
  The minimum input voltage required for the ULN2064B to function properly is 4.5V, but it's recommended to use a minimum of 5V for reliable operation.
• Can I use the ULN2064B to drive relays?
  Yes, the ULN2064B can be used to drive relays, but the relay's coil voltage and current requirements must be within the device's specifications.
• What is the maximum frequency at which the ULN2064B can switch?
  The maximum frequency at which the ULN2064B can switch is typically around 100kHz, but this can vary depending on the specific application and load.