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Specifications
SKU: 7615496
Motor Driver Power MOSFET Serial 20-SO
| Parameter | Symbol | Min | Typical | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage | VDD | 4.5 | - | 42 | V |
| Output Current (Max) | IOUT | - | - | 1.5 | A |
| Operating Temperature | TOP | -40 | - | 150 | °C |
| Storage Temperature | TSTG | -65 | - | 150 | °C |
| Thermal Resistance (θJA) | - | - | - | 50 | °C/W |
| Input Voltage Range | VIN | 4.5 | - | 42 | V |
| Quiescent Current | IQ | - | 2.5 | 3.5 | mA |
| Output Voltage (Typical) | VOUT | - | 5.0 | - | V |
| Dropout Voltage | VDROP | - | 0.3 | 0.7 | V |
Instructions for Using L9904TR
Power Supply Connection:
- Connect the positive terminal of the power supply to the VDD pin.
- Connect the ground (GND) to the GND pin.
Output Configuration:
- The output voltage is typically set to 5V. If a different output voltage is required, use an external resistor network to adjust the feedback pin (FB).
Thermal Management:
- Ensure adequate heat dissipation by mounting the L9904TR on a heatsink if the output current exceeds 500mA.
- Monitor the operating temperature to ensure it stays within the specified range (-40°C to 150°C).
Input Capacitor:
- Place a 10μF electrolytic capacitor between VDD and GND as close to the device as possible to stabilize the input voltage.
Output Capacitor:
- Use a 10μF electrolytic capacitor between VOUT and GND to filter the output and reduce ripple.
Protection Circuits:
- The L9904TR includes built-in overcurrent and thermal protection. However, it is recommended to add a fuse in series with the input to protect against short circuits.
PCB Layout:
- Keep the traces from the input and output capacitors to the L9904TR as short as possible to minimize parasitic inductance.
- Use wide traces for the power paths to reduce resistance and heat generation.
Storage:
- Store the L9904TR in a dry environment to prevent moisture damage. Follow the storage temperature guidelines (-65°C to 150°C).
Handling:
- Handle the L9904TR with care to avoid static discharge, which can damage the device. Use anti-static wrist straps and mats when handling the component.
Testing:
- Before final assembly, test the L9904TR in a controlled environment to ensure it meets the required specifications.
Inquiry - L9904TR
