MAX3535ECWI+T datasheet by Maxim Integrated Products

MAX3535ECWI+T Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for the MAX3535ECWI+T to minimize EMI?
  A good PCB layout for the MAX3535ECWI+T involves keeping the input and output traces separate, using a solid ground plane, and placing the device close to the power source. Additionally, using a shielded inductor and keeping the switching node (SW) away from sensitive analog nodes can help minimize EMI.
• How do I ensure the MAX3535ECWI+T operates within its recommended operating conditions?
  To ensure the MAX3535ECWI+T operates within its recommended operating conditions, make sure to provide a stable input voltage within the recommended range (4.5V to 5.5V), keep the junction temperature below 125°C, and avoid exceeding the maximum current ratings.
• What is the recommended input capacitor type and value for the MAX3535ECWI+T?
  A low-ESR ceramic capacitor (X5R or X7R) with a value of 10uF to 22uF is recommended for the input capacitor (CIN). This helps to filter out noise and ensure stable operation.
• How do I optimize the output capacitor selection for the MAX3535ECWI+T?
  For the output capacitor (COUT), choose a low-ESR ceramic capacitor (X5R or X7R) with a value of 10uF to 22uF. A larger capacitor value can help reduce output ripple, but may increase the startup time.
• What is the purpose of the EN pin on the MAX3535ECWI+T, and how do I use it?
  The EN (enable) pin is used to turn the device on or off. Connect EN to VIN to enable the device, or connect it to GND to disable it. You can also use a logic signal to control the EN pin, but ensure it is within the recommended voltage range (0 to VIN).