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MIC4420YMTR
MIC4420YMTR

 

MIC4420YMTR

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Deskripsi

BUY MIC4420YMTR https://www.utsource.net/itm/p/12604655.html

Parameter Symbol Conditions Min Typical Max Unit
Input Voltage VIN Continuous Operating Range 1.8 - 5.5 V
Output Current IOUT Continuous Operating Range - 300 - mA
Quiescent Current IQ VIN = 3V, No Load 20 - - μA
Dropout Voltage VDROP IOUT = 300mA, VIN = 3.3V - 0.3 - V
Shutdown Current ISD VIN = 3V, Shutdown Pin Low 0.1 - - μA
Thermal Shutdown TSD - - 160 - °C
Operating Junction Temperature TJ - -20 - 125 °C

Instructions for Use:

  1. Power Supply:

    • Ensure the input voltage (VIN) is within the range of 1.8V to 5.5V.
    • Use a suitable decoupling capacitor (typically 10μF) close to the input pin to stabilize the supply.

  2. Output Current:

    • The device can provide up to 300mA of continuous output current (IOUT).
    • For higher current applications, consider using additional heat sinking or a more powerful regulator.

  3. Quiescent Current:

    • The quiescent current (IQ) is typically 20μA at 3V input with no load.
    • This low quiescent current makes the device suitable for battery-powered applications.

  4. Dropout Voltage:

    • The dropout voltage (VDROP) is typically 0.3V at 300mA output current and 3.3V input.
    • Ensure that the input voltage is at least 0.3V higher than the desired output voltage to maintain regulation.

  5. Shutdown Function:

    • To disable the regulator, pull the shutdown pin low. The shutdown current (ISD) is typically 0.1μA.
    • To enable the regulator, pull the shutdown pin high or leave it floating.

  6. Thermal Management:

    • The thermal shutdown temperature (TSD) is typically 160°C.
    • Ensure adequate heat dissipation to prevent the junction temperature (TJ) from exceeding 125°C.

  7. Operating Temperature:

    • The operating junction temperature (TJ) should be maintained between -20°C and 125°C.
    • Use appropriate cooling methods if operating in high-temperature environments.

  8. Capacitors:

    • Use ceramic capacitors for input and output filtering due to their low ESR and high stability.
    • Place the capacitors as close as possible to the respective pins to minimize parasitic inductance.

  9. Layout Considerations:

    • Keep the ground connections short and wide to reduce resistance and inductance.
    • Use a star grounding technique to minimize noise and interference.

  10. Storage and Handling:

    • Store the device in a dry environment to prevent moisture damage.
    • Handle with care to avoid static discharge, which can damage the device.

By following these instructions, you can ensure optimal performance and reliability of the MIC4420YMTR regulator.

(For reference only)

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