Details

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BUY STA401A https://www.utsource.net/itm/p/8022241.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Input Voltage	V_IN	Operating range	2.7		5.5	V
Output Voltage	V_OUT	Regulation	1.8	3.3	5.0	V
Quiescent Current	I_Q	No load		10		μA
Dropout Voltage	V_DROPOUT	I_OUT = 100mA		300		mV
Load Current	I_OUT	Continuous		250	300	mA
Shutdown Current	I_SD	V_SHDN = 0V		0.1		μA
Operating Temp.	T_OP	Junction	-40		125	°C

Instructions for STA401A:

1. Power Supply Connection: Connect the input voltage (V_IN) within the specified operating range of 2.7V to 5.5V.
2. Output Configuration: Set the output voltage (V_OUT) as required using external resistors or by connecting it directly if fixed output versions are used.
3. Quiescent Current Management: Ensure that the quiescent current is minimized when no load is connected to reduce power consumption.
4. Load Handling: The device can handle up to a maximum continuous load current of 300mA. Ensure not to exceed this limit to avoid damage.
5. Thermal Considerations: Operate within the temperature range of -40°C to 125°C to ensure reliable performance.
6. Shutdown Functionality: Utilize the shutdown pin (V_SHDN) to reduce power consumption by setting it to 0V, which will lower the current draw to approximately 0.1μA.
7. Capacitor Selection: Choose appropriate input and output capacitors to stabilize the voltage regulation and improve transient response.

For detailed design considerations and advanced applications, refer to the full datasheet provided by the manufacturer.

(For reference only)