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MDME332AE

Specifications

SKU: 12606822

BUY MDME332AE https://www.utsource.net/itm/p/12606822.html

Parameter Symbol Min Typ Max Unit Description
Input Voltage V_IN 4.5 - 16 V Operating input voltage range
Output Voltage V_OUT 3.3 - - V Fixed output voltage
Output Current I_OUT - 300 500 mA Continuous output current
Quiescent Current I_Q - 5 10 μA Quiescent current at no load
Dropout Voltage V_DO - 150 250 mV Dropout voltage at I_OUT = 500 mA
Load Regulation - - 1 2 % Change in output voltage for load from 0 to 500 mA
Line Regulation - - 0.1 0.5 %/V Change in output voltage for input voltage change from 4.5 V to 16 V
Ripple Rejection - 50 70 80 dB Power supply rejection ratio at 100 Hz
Thermal Shutdown T_SHDN - 160 - °C Temperature at which the device enters thermal shutdown
Operating Temperature T_OP -40 - 125 °C Operating temperature range
Storage Temperature T_STG -65 - 150 °C Storage temperature range

Instructions:

  1. Input Voltage (V_IN): Ensure the input voltage is within the specified range of 4.5 V to 16 V to avoid damage to the device.
  2. Output Voltage (V_OUT): The MDME332AE provides a fixed output voltage of 3.3 V. No external components are required for this fixed output.
  3. Output Current (I_OUT): The device can provide a continuous output current up to 500 mA. For higher currents, ensure proper heat dissipation.
  4. Quiescent Current (I_Q): The quiescent current is typically 5 μA and can go up to 10 μA at no load. This is important for low-power applications.
  5. Dropout Voltage (V_DO): The dropout voltage is typically 150 mV and can go up to 250 mV at full load. This ensures efficient operation even at low input voltages.
  6. Load Regulation: The output voltage should remain within 1% to 2% of the nominal value when the load current changes from 0 to 500 mA.
  7. Line Regulation: The output voltage should change by no more than 0.1% to 0.5% per volt of input voltage change.
  8. Ripple Rejection: The device should reject input ripple with a power supply rejection ratio (PSRR) of 50 to 80 dB at 100 Hz.
  9. Thermal Shutdown (T_SHDN): The device will enter thermal shutdown if the temperature exceeds 160°C to protect against overheating.
  10. Operating Temperature (T_OP): The device is designed to operate within a temperature range of -40°C to 125°C.
  11. Storage Temperature (T_STG): Store the device in a temperature range of -65°C to 150°C to ensure long-term reliability.

Additional Notes:

  • Capacitors: Use appropriate input and output capacitors to stabilize the circuit and reduce noise. Typical values are 1 μF for input and 10 μF for output.
  • PCB Layout: Ensure good PCB layout practices to minimize noise and improve thermal performance. Keep the input and output traces short and wide.
  • Heat Sinking: For high current applications, consider adding a heat sink or using a larger PCB copper area to dissipate heat effectively.
(For reference only)

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