Details

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Parameter Symbol Min Typical Max Unit
Output Voltage Vout - 1.24 - V
Line Regulation - 0.01% - %
Load Regulation - 0.1% - %
Dropout Voltage Vdo - 0.8 - V
Quiescent Current IQ - 5 - 渭A
Operating Temperature Temp -40 - 125 掳C
Storage Temperature Tstg -65 - 150 掳C

Instructions for Using LM309K:

  1. Circuit Configuration:

    • Connect the input voltage (Vin) to the IN pin.
    • Connect the output voltage (Vout) to the OUT pin.
    • Ground the GND pin.
  2. Capacitor Requirements:

    • Place a 1渭F capacitor between the IN and GND pins to stabilize the input voltage.
    • Place a 1渭F capacitor between the OUT and GND pins to stabilize the output voltage.
  3. Heat Dissipation:

    • Ensure adequate heat dissipation if the device is operating at high power levels. Consider using a heatsink if necessary.
  4. Input Voltage Range:

    • The input voltage should be at least 0.8V higher than the desired output voltage to ensure proper operation.
  5. Output Voltage Adjustment:

    • The LM309K provides a fixed output voltage of 1.24V. For different output voltages, consider using adjustable regulators or external resistors.
  6. Operating Conditions:

    • Ensure that the operating temperature is within the specified range (-40掳C to 125掳C).
    • Store the device in an environment where the temperature does not exceed the storage temperature range (-65掳C to 150掳C).
  7. Handling Precautions:

    • Handle the device with care to avoid damage from electrostatic discharge (ESD).
    • Follow standard soldering practices to prevent thermal stress during assembly.
  8. Testing:

    • Before finalizing the design, test the circuit under various conditions to ensure stable performance and compliance with specifications.
(For reference only)

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