Details

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BUY PS12018-A https://www.utsource.net/itm/p/6994627.html

Parameter	Description	Value	Unit
Input Voltage (Min)	Minimum input voltage required for operation	2.7	V
Input Voltage (Max)	Maximum input voltage the device can handle	5.5	V
Output Voltage	Fixed output voltage	3.3	V
Quiescent Current	Current consumed by the regulator when no load is applied	100	μA
Dropout Voltage	Voltage difference between input and output during regulation	0.3	V
Operating Temperature	Temperature range in which the device can operate	-40 to +85	°C
Load Current (Max)	Maximum continuous load current	800	mA

Instructions:

1. Power Supply Connection: Connect the input voltage within the specified range (2.7V to 5.5V) to the VIN pin and GND.
2. Output Configuration: The PS12018-A provides a fixed output of 3.3V. Ensure your circuit components are compatible with this voltage.
3. Heat Management: Although the device can handle up to 800mA, ensure adequate heat dissipation if operating near maximum load currents to prevent overheating.
4. Capacitor Placement: Place a ceramic capacitor close to the VIN and GND pins for stability. A typical value is 1μF.
5. Operating Environment: Ensure the ambient temperature stays within the operational range (-40°C to +85°C).
6. Load Regulation: For optimal performance, keep the dropout voltage in mind; the input voltage should be at least 0.3V higher than the output voltage under all operating conditions.

(For reference only)