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ONSEMI MC78L12ACPG

Specifications

SKU: 12611666

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Parameter Symbol Min Typ Max Unit
Input Voltage VI 1.6 - 15 V
Output Voltage VO - 12 - V
Output Current IO - 100 - mA
Line Regulation - - 0.01 - %/V
Load Regulation - - 0.1 - %/mA
Dropout Voltage VD - 1.5 - V
Quiescent Current IQ - 5 - mA
Operating Temperature TJ -40 - 85 °C
Storage Temperature TSTG -65 - 150 °C
Thermal Resistance (θJA) - - 150 - °C/W

Instructions for Use:

  1. Input Voltage Range: Ensure the input voltage is within the range of 1.6V to 15V. The device will not function properly outside this range.
  2. Output Voltage: The output voltage is fixed at 12V. No external components are required to set this voltage.
  3. Output Current: The maximum continuous output current is 100mA. Exceeding this value can cause overheating and potential damage.
  4. Line Regulation: The change in output voltage due to variations in input voltage is very low, typically 0.01% per volt.
  5. Load Regulation: The change in output voltage due to variations in load current is also very low, typically 0.1% per milliamp.
  6. Dropout Voltage: The minimum difference between the input and output voltages required for proper regulation is approximately 1.5V.
  7. Quiescent Current: The device consumes approximately 5mA of current under no-load conditions.
  8. Operating Temperature: The device is designed to operate within the temperature range of -40°C to 85°C. Operation outside this range may affect performance and reliability.
  9. Storage Temperature: The device can be stored in temperatures ranging from -65°C to 150°C without damage.
  10. Thermal Management: The thermal resistance from junction to ambient (θJA) is 150°C/W. Ensure adequate heat dissipation to prevent overheating, especially under high load conditions.

Schematic Example:

+Vin (1.6V to 15V)
  |
  |--- [MC78L12ACPG]
  |
+Vout (12V)
  |
  |--- Load (up to 100mA)

Pin Configuration:

  • Pin 1 (Input): Connect to the input voltage source.
  • Pin 2 (Ground): Connect to the ground.
  • Pin 3 (Output): Connect to the load or output circuit.

Additional Notes:

  • Always use appropriate decoupling capacitors (typically 0.1μF and 10μF) close to the input and output pins to ensure stable operation and filter out noise.
  • For extended operation at high temperatures, consider using a heatsink or providing additional cooling.
(For reference only)

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