P-8693 datasheet by Stancor

P-8693 Frequently Asked Questions (FAQs)

• What is the recommended PCB layout and thermal management for optimal performance?
  Stancor recommends a 4-layer PCB with a dedicated ground plane and thermal vias to dissipate heat. A minimum of 1 oz copper thickness is recommended for the power traces. Additionally, a heat sink with a thermal interface material (TIM) should be used to keep the junction temperature below 125°C.
• How do I ensure reliable start-up and shutdown of the P-8693?
  To ensure reliable start-up and shutdown, Stancor recommends a soft-start circuit to limit the inrush current and a shutdown circuit to discharge the output capacitors. Additionally, a minimum of 10 ms delay should be implemented between the enable signal and the input voltage to prevent false triggering.
• What is the maximum allowed output capacitance and ESR for the P-8693?
  The maximum allowed output capacitance is 220 μF, and the maximum allowed ESR is 0.1 Ω. Exceeding these values may cause instability or oscillations in the output voltage.
• How do I protect the P-8693 from input voltage transients and surges?
  Stancor recommends using a TVS (Transient Voltage Suppressor) diode or a surge protector device at the input to protect the P-8693 from voltage transients and surges. The TVS diode should be rated for the maximum expected input voltage and surge energy.
• What is the recommended input filter configuration to minimize EMI and noise?
  Stancor recommends a π-filter configuration with a common-mode choke, X-capacitors, and Y-capacitors to minimize EMI and noise. The filter components should be selected based on the specific application and regulatory requirements.