Details

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BUY PS421 A2 https://www.utsource.net/itm/p/8145859.html

Parameter	Description	Value
Part Number	Product Identifier	PS421 A2
Supply Voltage	Operating voltage range for the power supply	3.0V to 5.5V
Operating Current	Typical current consumption during operation	200μA
Output Current	Maximum continuous output current	250mA
Dropout Voltage	Voltage difference between input and output at full load	200mV (at 250mA)
Quiescent Current	Current consumed by the device in standby mode	50μA
Package Type	Physical dimensions and pin configuration of the component	SOT-23
Operating Temp.	Temperature range for reliable operation	-40°C to +85°C
PSRR	Power Supply Rejection Ratio at 1kHz	60dB
Load Regulation	Change in output voltage due to load changes	±1%
Line Regulation	Change in output voltage due to input voltage changes	±0.5%

Instructions:

1. Power Supply Connection: Connect the power supply within the specified operating voltage range (3.0V to 5.5V) to ensure stable operation.
2. Output Configuration: Ensure that the load does not exceed the maximum output current of 250mA to prevent damage or overheating.
3. Thermal Management: Operate the device within the temperature range of -40°C to +85°C. Consider heat dissipation if operating near the upper limit.
4. Circuit Design: Place decoupling capacitors close to the input and output pins to improve stability and reduce noise.
5. Handling Precautions: Handle the PS421 A2 with care, especially noting its sensitivity to electrostatic discharge (ESD). Use appropriate ESD protection measures.
6. Mounting: Mount the component according to the recommended footprint for the SOT-23 package to ensure proper electrical and thermal performance.

(For reference only)