Instructions for Using SPF5122Z

1. Input Voltage (VIN):

   • Ensure the input voltage is within the range of 4.5V to 28V.
   • Avoid exceeding the maximum input voltage to prevent damage to the device.

2. Output Voltage (VOUT):

   • The output voltage can be adjusted between 0.9V and 19V.
   • Use external resistors to set the desired output voltage according to the formula provided in the datasheet.

3. Output Current (IOUT):

   • The device can provide a continuous output current up to 3A.
   • For optimal performance, keep the output current within the typical range of 2A.

4. Quiescent Current (IQ):

   • The quiescent current is typically 25μA under normal operating conditions.
   • This low quiescent current helps in reducing power consumption in low-load scenarios.

5. Dropout Voltage (VDROPOUT):

   • The dropout voltage is typically 0.5V at a 3A output current.
   • Ensure that the input voltage is at least 0.5V higher than the output voltage to maintain regulation.

6. Shutdown Current (ISD):

   • When the shutdown pin (VSHDN) is pulled to ground, the shutdown current is typically 0.1μA.
   • Use this feature to reduce power consumption when the device is not in use.

7. Operating Temperature (TOPR):

   • The device operates reliably within the temperature range of -40°C to 125°C.
   • Ensure proper heat dissipation to avoid overheating, especially at high output currents.

8. Storage Temperature (TSTG):

   • Store the device in an environment with temperatures ranging from -65°C to 150°C.
   • Avoid exposing the device to extreme temperatures for extended periods.

Additional Notes:

• Always refer to the specific application notes and datasheet for detailed information and recommended circuit designs.
• Proper PCB layout and component selection are crucial for optimal performance and reliability.