Specifications
SKU: 5422321
40V N-channel enhancement mode MOSFET
Parameter | Symbol | Min | Typ | Max | Unit | Notes |
---|---|---|---|---|---|---|
Input Voltage | VIN | 4.5 | - | 32 | V | |
Output Voltage | VOUT | 0.9 | - | 5.5 | V | Adjustable |
Output Current | IOUT | - | 3 | 6 | A | Continuous |
Quiescent Current | IQ | - | 1.5 | 2.5 | mA | Shutdown mode |
Efficiency (Typical) | η | - | 92 | - | % | At 5V input, 3.3V output, 1A load |
Switching Frequency | fSW | - | 700 | - | kHz | Fixed |
Dropout Voltage | VDROPOUT | - | 1.2 | 1.5 | V | At 3A load |
Load Regulation | ΔVOUT/ΔIOUT | - | 0.5 | 1 | mV/A | From 0 to 3A |
Line Regulation | ΔVOUT/ΔVIN | - | 0.05 | 0.1 | mV/V | From 4.5V to 32V |
Output Ripple | VPP | - | 20 | 40 | mV | At 3A load |
Operating Temperature | TOPR | -40 | - | 125 | °C | Junction temperature |
Storage Temperature | TSTG | -65 | - | 150 | °C | |
Thermal Resistance (θJA) | - | - | 50 | - | °C/W |
Instructions for Use:
Input Voltage (VIN):
- Ensure the input voltage is within the range of 4.5V to 32V.
- Do not exceed the maximum input voltage to avoid damage to the device.
Output Voltage (VOUT):
- The output voltage can be adjusted between 0.9V and 5.5V using external resistors.
- Use the formula: ( V_ = V_ left(1 + fracright) ), where ( V_ ) is typically 0.8V.
Output Current (IOUT):
- The device can provide a continuous output current up to 6A.
- For optimal performance, keep the load within the recommended range of 3A.
Quiescent Current (IQ):
- In shutdown mode, the quiescent current is minimized to between 1.5mA and 2.5mA.
Efficiency (η):
- The typical efficiency is 92% at a 5V input, 3.3V output, and 1A load.
- Efficiency may vary with different input and output conditions.
Switching Frequency (fSW):
- The switching frequency is fixed at 700kHz.
- This helps in minimizing the size of external components like inductors and capacitors.
Dropout Voltage (VDROPOUT):
- The dropout voltage is the minimum difference between the input and output voltages required for proper regulation.
- It is typically between 1.2V and 1.5V at a 3A load.
Load Regulation (ΔVOUT/ΔIOUT):
- The change in output voltage due to changes in load current should be within 0.5mV/A to 1mV/A.
Line Regulation (ΔVOUT/ΔVIN):
- The change in output voltage due to changes in input voltage should be within 0.05mV/V to 0.1mV/V.
Output Ripple (VPP):
- The output ripple should be kept below 40mV at a 3A load for stable operation.
Operating Temperature (TOPR):
- The device can operate within a junction temperature range of -40°C to 125°C.
- Ensure adequate heat dissipation to maintain this range.
Storage Temperature (TSTG):
- Store the device in an environment with temperatures ranging from -65°C to 150°C.
Thermal Resistance (θJA):
- The thermal resistance from the junction to ambient is typically 50°C/W.
- Use appropriate heatsinks or cooling methods to manage heat dissipation.
Additional Notes:
- Always refer to the datasheet for detailed specifications and application notes.
- Proper PCB layout and component selection are crucial for optimal performance and reliability.
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