Specifications
SKU: 12535077
Parameter | Symbol | Min | Typical | Max | Unit |
---|---|---|---|---|---|
Input Voltage | VI | 10 | - | 30 | V |
Output Voltage | VO | - | 8.0 | - | V |
Output Current (Max) | IO | - | 500 | - | mA |
Dropout Voltage | VD | - | 2.0 | - | V |
Quiescent Current | IQ | - | 5.0 | - | mA |
Thermal Resistance (θJA) | θJA | - | 65 | - | °C/W |
Operating Temperature | Toper | -40 | - | 125 | °C |
Storage Temperature | Tstg | -65 | - | 150 | °C |
Instructions for Using the 78M08:
Input Voltage:
- Ensure the input voltage is within the range of 10V to 30V.
- Use appropriate capacitors (typically 0.33 μF and 0.1 μF) on the input and output to stabilize the regulator.
Output Voltage:
- The 78M08 provides a fixed output voltage of 8.0V.
- No external components are required to set the output voltage.
Output Current:
- The maximum continuous output current is 500 mA.
- For higher current requirements, consider using a heat sink or a different regulator.
Dropout Voltage:
- The dropout voltage is approximately 2.0V.
- Ensure the input voltage is at least 2.0V higher than the output voltage to maintain regulation.
Quiescent Current:
- The quiescent current is typically 5.0 mA.
- This is the current consumed by the regulator itself when no load is applied.
Thermal Management:
- The thermal resistance (θJA) is 65°C/W.
- Use a heat sink if the power dissipation exceeds safe limits to prevent overheating.
Operating Temperature:
- The operating temperature range is from -40°C to 125°C.
- Ensure the ambient temperature is within this range to avoid damage.
Storage Temperature:
- The storage temperature range is from -65°C to 150°C.
- Store the device in a dry, cool place to ensure long-term reliability.
Mounting:
- Mount the 78M08 with adequate clearance from other components to allow for proper heat dissipation.
- Use a thermal compound between the regulator and the heat sink for better thermal conductivity.
Testing:
- Before finalizing the design, test the regulator under various load conditions to ensure stable operation.
- Monitor the temperature of the regulator during testing to ensure it does not exceed the maximum operating temperature.
Inquiry - 78M08