Specifications
SKU: 11228033
Parameter | Symbol | Min | Typical | Max | Unit |
---|---|---|---|---|---|
Input Voltage | VIN | 4.5 | - | 60 | V |
Output Voltage | VOUT | 1.0 | - | 12 | V |
Output Current | IOUT | - | 3 | 5 | A |
Efficiency | η | - | 92 | - | % |
Switching Frequency | fSW | 100 | 500 | 1000 | kHz |
Quiescent Current | IQ | - | 50 | - | μA |
Dropout Voltage | VDO | - | 1.2 | - | V |
Operating Temperature | TOP | -40 | - | 125 | °C |
Storage Temperature | TSTG | -55 | - | 150 | °C |
Thermal Resistance | θJA | - | 40 | - | °C/W |
Instructions for KA278R12CTU
Input Voltage (VIN):
- Ensure the input voltage is within the range of 4.5V to 60V.
- Avoid exceeding the maximum input voltage to prevent damage to the device.
Output Voltage (VOUT):
- The output voltage can be set between 1.0V and 12V.
- Use the external feedback resistor network to adjust the output voltage as needed.
Output Current (IOUT):
- The device can provide a typical output current of 3A, with a maximum of 5A.
- Ensure the load does not exceed the maximum output current to avoid overheating or damage.
Efficiency (η):
- The typical efficiency is 92%.
- Optimize the design for high efficiency by minimizing losses in the external components.
Switching Frequency (fSW):
- The switching frequency can be adjusted between 100kHz and 1000kHz.
- Higher frequencies reduce the size of external components but increase switching losses.
Quiescent Current (IQ):
- The typical quiescent current is 50μA.
- This low quiescent current helps in reducing power consumption during light load conditions.
Dropout Voltage (VDO):
- The typical dropout voltage is 1.2V.
- Ensure the input voltage is at least 1.2V higher than the output voltage to maintain regulation.
Operating Temperature (TOP):
- The operating temperature range is from -40°C to 125°C.
- Ensure adequate cooling if operating at high temperatures to prevent thermal shutdown.
Storage Temperature (TSTG):
- The storage temperature range is from -55°C to 150°C.
- Store the device in a dry environment to prevent moisture damage.
Thermal Resistance (θJA):
- The typical thermal resistance is 40°C/W.
- Use a heatsink or other cooling methods if the device will operate at high power levels or in high-temperature environments.
Additional Notes:
- Always refer to the datasheet for detailed information and specific application notes.
- Ensure all connections are secure and properly insulated to prevent short circuits.
- Regularly inspect the device and its connections for signs of wear or damage.
Inquiry - KA278R12CTU