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NCP303LSN30T1

Specifications

SKU: 11294383

BUY NCP303LSN30T1 https://www.utsource.net/itm/p/11294383.html
NCP303LSN30T1 Voltage Supervisor 3V SOT-153/SOT23?5/TSOP?5/SC59?5 marking SC Voltage Detectorwith Programmable Delay
Parameter Symbol Min Typ Max Unit Notes
Input Voltage VIN 2.7 - 5.5 V
Output Voltage VOUT 3.0 - 3.0 V Fixed
Output Current IOUT - 300 - mA
Quiescent Current IQ - 40 - μA
Dropout Voltage VDROPOUT - 300 - mV @ IOUT = 300mA
Shutdown Current ISD - 0.1 - μA
Operating Temperature TOPR -40 - 85 °C
Storage Temperature TSTG -65 - 150 °C
Thermal Resistance (θJA) θJA - 140 - °C/W

Instructions for Use:

  1. Input Voltage Range:

    • Ensure the input voltage is within the range of 2.7V to 5.5V. Operating outside this range can damage the device.
  2. Output Voltage:

    • The output voltage is fixed at 3.0V. No external resistors are required for voltage setting.
  3. Output Current:

    • The maximum continuous output current is 300mA. Ensure the load does not exceed this limit to avoid overheating or damage.
  4. Quiescent Current:

    • The quiescent current is typically 40μA. This is the current consumed by the regulator when it is active but not supplying any load.
  5. Dropout Voltage:

    • The dropout voltage is 300mV at a load current of 300mA. Ensure that the input voltage is at least 300mV higher than the output voltage to maintain regulation.
  6. Shutdown Current:

    • When the shutdown pin is activated, the current consumption drops to approximately 0.1μA.
  7. Operating Temperature:

    • The device is designed to operate within a temperature range of -40°C to 85°C. Ensure the ambient temperature stays within these limits to avoid performance degradation or failure.
  8. Storage Temperature:

    • Store the device in an environment with a temperature range of -65°C to 150°C to prevent damage.
  9. Thermal Management:

    • The thermal resistance (θJA) is 140°C/W. If the device will be operating near its maximum output current, consider using a heatsink or ensuring adequate airflow to manage heat dissipation.
  10. Layout Considerations:

    • Place the input and output capacitors as close as possible to the regulator to minimize noise and improve stability.
    • Use low ESR (Equivalent Series Resistance) capacitors for both input and output to ensure optimal performance.
  11. Capacitor Selection:

    • For input capacitance, a 1μF ceramic capacitor is recommended.
    • For output capacitance, a 1μF to 10μF ceramic capacitor is recommended to ensure stability and reduce output ripple.
  12. Shutdown Pin:

    • To shut down the regulator, pull the shutdown pin low (to ground). To enable the regulator, leave the shutdown pin open or connect it to the input voltage.
  13. PCB Layout:

    • Follow good PCB layout practices to minimize parasitic inductances and capacitances. Keep traces short and wide, especially for power and ground connections.
  14. Handling Precautions:

    • Handle the device with care to avoid static discharge, which can damage the internal circuits. Use proper ESD (Electrostatic Discharge) protection equipment when handling the device.
(For reference only)

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