MAX4906EFELB+T datasheet by Maxim Integrated Products

MAX4906EFELB+T Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for the MAX4906EFELB+T to minimize EMI?
  A good PCB layout for the MAX4906EFELB+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 nodes can help minimize EMI.
• How do I ensure the MAX4906EFELB+T operates within its recommended operating conditions?
  To ensure the MAX4906EFELB+T operates within its recommended operating conditions, verify that the input voltage (VIN) is within the specified range (4.5V to 28V), the output voltage (VOUT) is within the specified range (0.9V to 5.5V), and the ambient temperature is within the specified range (-40°C to +125°C).
• What is the maximum output current capability of the MAX4906EFELB+T?
  The maximum output current capability of the MAX4906EFELB+T is 2A. However, the actual output current capability may be limited by the inductor selection, PCB layout, and thermal considerations.
• How do I select the right inductor for the MAX4906EFELB+T?
  To select the right inductor for the MAX4906EFELB+T, consider the inductor's inductance value, saturation current, and DC resistance. A good starting point is to use an inductor with an inductance value between 1.5μH and 4.7μH, and a saturation current rating above the maximum output current.
• What is the purpose of the EN pin on the MAX4906EFELB+T?
  The EN (enable) pin on the MAX4906EFELB+T is used to enable or disable the device. When the EN pin is high, the device is enabled, and when it is low, the device is disabled. This pin can be used to implement power sequencing or to shut down the device when not in use.