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BUY LMV431AIM5X/NOPB https://www.utsource.net/itm/p/825038.html
LMV431/LMV431A/LMV431B Low-Voltage 1.24V Adjustable Precision Shunt Regulators; Package: SOT-23; No of Pins: 5; Qty per Container: 3000/Reel

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	V_S	2.1		6.5	V
Reference Voltage	V_REF		1.24		V
Operating Temperature	T_op	-40		125	°C
Output Current	I_O		100		mA
Quiescent Current	I_Q		50		μA	V_O = V_REF
Power Dissipation	P_D			375	mW	Ta = 25°C
Response Time	t_R		9		μs
Package Type			SOT-23

Instructions:

1. Power Supply Connection: Connect the power supply voltage (V_S) within the specified range of 2.1V to 6.5V.
2. Temperature Considerations: Ensure the device operates within the temperature range of -40°C to 125°C for optimal performance.
3. Output Configuration: The output current should not exceed 100mA to avoid damaging the device.
4. Quiescent Current Monitoring: Monitor the quiescent current, which typically stays around 50μA when the output voltage equals the reference voltage.
5. Power Dissipation Management: Keep power dissipation below 375mW, especially at room temperature (25°C), to prevent overheating.
6. Response Time Awareness: Be aware that the response time is approximately 9μs under standard conditions.
7. Package Handling: Handle the SOT-23 package with care to avoid physical damage.

For detailed application circuits and more specific use cases, refer to the datasheet provided by the manufacturer.

(For reference only)