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L9822EPD

Specifications

SKU: 9255693

BUY L9822EPD https://www.utsource.net/itm/p/9255693.html

Parameter Symbol Min Typ Max Unit
Supply Voltage Vcc 4.5 5.0 5.5 V
Quiescent Current IQ - 1.5 3.0 mA
Output Current (Max) Iout - 500 600 mA
Dropout Voltage Vdo - 0.3 0.5 V
Output Voltage Vout - 3.3 3.3 V
Thermal Shutdown TSD - 160 - °C
Operating Temperature Topr -40 - 85 °C
Storage Temperature Tstg -65 - 150 °C

Instructions for L9822EPD

  1. Supply Voltage:

    • Ensure the supply voltage (Vcc) is within the range of 4.5V to 5.5V. Operating outside this range can damage the device.
  2. Quiescent Current:

    • The quiescent current (IQ) is typically 1.5mA and can go up to 3.0mA. This is the current consumed by the regulator when no load is applied.
  3. Output Current:

    • The maximum output current (Iout) is 600mA, with a typical value of 500mA. Ensure that the load does not exceed this limit to avoid overheating or damage.
  4. Dropout Voltage:

    • The dropout voltage (Vdo) is the minimum difference between the input and output voltages required for the regulator to maintain regulation. It is typically 0.3V and can go up to 0.5V.
  5. Output Voltage:

    • The output voltage (Vout) is fixed at 3.3V. This is the regulated voltage provided to the load.
  6. Thermal Shutdown:

    • The thermal shutdown (TSD) occurs at approximately 160°C. The device will automatically shut down to prevent damage from excessive heat.
  7. Operating Temperature:

    • The operating temperature (Topr) range is from -40°C to 85°C. Ensure the device operates within this range to maintain reliable performance.
  8. Storage Temperature:

    • The storage temperature (Tstg) range is from -65°C to 150°C. Store the device in this range to avoid degradation of its properties.
  9. Mounting and Handling:

    • Handle the device with care to avoid mechanical stress. Follow proper soldering techniques to ensure reliable connections.
  10. Capacitors:

    • Use appropriate input and output capacitors to stabilize the regulator and filter out noise. Typically, a 10μF ceramic capacitor on the input and a 10μF ceramic capacitor on the output are recommended.
  11. PCB Layout:

    • Ensure good thermal management by providing adequate copper area for heat dissipation. Keep the input and output traces short and wide to minimize inductance and resistance.
  12. Testing:

    • Test the device under normal operating conditions to ensure it meets the specified parameters. Monitor the output voltage and temperature during operation.
(For reference only)

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