Specifications
SKU: 11294383
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:
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.
Output Voltage:
- The output voltage is fixed at 3.0V. No external resistors are required for voltage setting.
Output Current:
- The maximum continuous output current is 300mA. Ensure the load does not exceed this limit to avoid overheating or damage.
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.
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.
Shutdown Current:
- When the shutdown pin is activated, the current consumption drops to approximately 0.1μA.
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.
Storage Temperature:
- Store the device in an environment with a temperature range of -65°C to 150°C to prevent damage.
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.
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.
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.
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.
PCB Layout:
- Follow good PCB layout practices to minimize parasitic inductances and capacitances. Keep traces short and wide, especially for power and ground connections.
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.
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