TPS60403DBVT datasheet by Texas Instruments

TPS60403DBVT Frequently Asked Questions (FAQs)

• What is the recommended input capacitor value for the TPS60403DBVT?
  The recommended input capacitor value is 1uF to 10uF, depending on the input voltage and output current requirements. A larger capacitor value can help to reduce input voltage ripple and improve output voltage regulation.
• How do I ensure the TPS60403DBVT is stable and does not oscillate?
  To ensure stability, make sure to follow the recommended PCB layout guidelines, use a sufficient output capacitor value (at least 2.2uF), and keep the input and output capacitors close to the device. Also, avoid using long traces and minimize the loop area of the power stage.
• What is the maximum output current I can draw from the TPS60403DBVT?
  The maximum output current of the TPS60403DBVT is 300mA. However, the actual output current capability may be limited by the input voltage, output voltage, and thermal considerations. Be sure to check the device's thermal performance and power dissipation calculations to ensure reliable operation.
• Can I use the TPS60403DBVT in a battery-powered application?
  Yes, the TPS60403DBVT is suitable for battery-powered applications due to its low quiescent current (IQ) of 20uA. However, be sure to consider the device's shutdown current (typically 1uA) and the battery life requirements of your application.
• How do I implement a soft-start function with the TPS60403DBVT?
  You can implement a soft-start function by adding an external capacitor (typically 10nF to 100nF) between the EN pin and GND. This capacitor slows down the rise time of the output voltage during startup, reducing inrush current and electromagnetic interference (EMI).