L7812CV

L7812CV


Specifications
SKU
12594163
Details

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Parameter Symbol Min Typical Max Unit Conditions
Input Voltage VIN 14.5 - 35 V Continuous
Output Voltage VOUT - 12 - V Nominal
Output Current IOUT - 1.5 - A Continuous, derated at higher temperatures
Line Regulation - - 0.01% - % VIN = 14.5V to 35V, IOUT = 1.5A
Load Regulation - - 1% - % VIN = 35V, IOUT = 0 to 1.5A
Dropout Voltage VD - 2.5 - V IOUT = 1.5A
Quiescent Current IQ - 6.5 - mA VIN = 35V, IOUT = 0
Thermal Shutdown TSD - 175 - °C Internal
Operating Junction Temperature TJ -40 - 125 °C Continuous
Storage Temperature TSTG -65 - 150 °C -

Instructions for Use:

  1. Input Voltage (VIN):

    • Ensure the input voltage is within the range of 14.5V to 35V.
    • The input voltage should be at least 2.5V higher than the output voltage to maintain regulation.
  2. Output Voltage (VOUT):

    • The L7812CV provides a fixed output voltage of 12V.
    • Use appropriate capacitors on the input and output to stabilize the voltage and reduce ripple.
  3. Output Current (IOUT):

    • The maximum continuous output current is 1.5A.
    • For higher current requirements, consider using heat sinks or additional cooling methods.
  4. Thermal Management:

    • The device has internal thermal shutdown protection, but it is recommended to use a heatsink if operating at high currents or in high ambient temperatures.
    • The operating junction temperature should not exceed 125°C.
  5. Capacitors:

    • Place a 0.33μF capacitor on the input and a 0.1μF capacitor on the output to ensure stability.
    • Larger capacitors can be used to reduce ripple and improve transient response.
  6. Mounting:

    • Mount the L7812CV on a PCB with adequate copper area for heat dissipation.
    • If using a heatsink, ensure good thermal contact between the device and the heatsink.
  7. Storage:

    • Store the device in a dry environment with temperatures between -65°C and 150°C.
  8. Handling:

    • Handle the device with care to avoid damage to the pins and the body.
    • Follow proper ESD (Electrostatic Discharge) precautions to prevent damage to the device.

By following these guidelines, you can ensure reliable operation of the L7812CV in your application.

(For reference only)

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