LTC2941IDCB-1#TRMPBF datasheet by Linear Technology

LTC2941IDCB-1#TRMPBF Frequently Asked Questions (FAQs)

• What is the maximum voltage rating for the VIN pin?
  The maximum voltage rating for the VIN pin is 36V, but it's recommended to keep it below 34V for reliable operation.
• How do I ensure accurate current measurements with the LTC2941?
  To ensure accurate current measurements, make sure to use a sense resistor with a low temperature coefficient, keep the sense resistor close to the IC, and use a Kelvin connection to the sense resistor.
• What is the purpose of the FILTER pin, and how do I use it?
  The FILTER pin is used to filter out high-frequency noise on the current sense output. Connect a capacitor between the FILTER pin and GND to set the filter cutoff frequency. A larger capacitor value will reduce the noise bandwidth but increase the settling time.
• Can I use the LTC2941 with a switching regulator or other noisy power supply?
  Yes, but you may need to add additional filtering or shielding to prevent noise from the power supply from affecting the current measurements. You can also use the FILTER pin to help filter out high-frequency noise.
• How do I calculate the power consumption of the LTC2941?
  The power consumption of the LTC2941 is typically around 1.5mA, but it can vary depending on the operating conditions. You can estimate the power consumption by multiplying the quiescent current (IQ) by the supply voltage (VIN).