NJM2073D - Nisshinbo

NJM2073D Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for NJM2073D to minimize noise and EMI?
  A good PCB layout for NJM2073D involves separating the analog and digital grounds, using a solid ground plane, and placing the IC close to the power supply. Additionally, it's recommended to use a ferrite bead or a 10uF capacitor in series with the input voltage to filter out high-frequency noise.
• How do I ensure the stability of the NJM2073D voltage regulator in my design?
  To ensure stability, make sure to use a minimum output capacitance of 10uF with an ESR of 0.1-10 ohms, and a minimum input capacitance of 1uF with an ESR of 0.1-10 ohms. Also, avoid using ceramic capacitors with high ESL, and keep the output voltage within the recommended range.
• What is the maximum power dissipation of NJM2073D, and how do I calculate it?
  The maximum power dissipation of NJM2073D is dependent on the package type and ambient temperature. For the DIP-8 package, the maximum power dissipation is 1.5W at 25°C. To calculate the power dissipation, use the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current.
• Can I use NJM2073D in a high-temperature environment, and what are the limitations?
  NJM2073D can operate in a high-temperature environment, but its performance and reliability may be affected. The maximum operating temperature is 125°C, but the output voltage and current may decrease at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet.
• How do I protect NJM2073D from input voltage surges and spikes?
  To protect NJM2073D from input voltage surges and spikes, use a TVS (Transient Voltage Suppressor) diode or a varistor in parallel with the input voltage. Additionally, use a fuse or a PTC (Positive Temperature Coefficient) thermistor in series with the input voltage to limit the inrush current.