Details

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BUY LM431ACMX https://www.utsource.net/itm/p/12606810.html

Parameter	Symbol	Min	Typ	Max	Unit
Operating Voltage	Vref	2.500	-	2.500	V
Reference Voltage Accuracy	ΔVref	-1.0	-	+1.0	%
Line Regulation	ΔVref/ΔVin	-0.01	-	0.01	%/V
Load Regulation	ΔVref/ΔIout	-0.1	-	0.1	%/mA
Output Current	Iout	0.1	1.0	10.0	mA
Supply Current	Isupply	50	100	500	μA
Thermal Resistance (θJA)	θJA	-	150	-	°C/W
Operating Temperature	Toper	-40	-	125	°C
Storage Temperature	Tstg	-65	-	150	°C

Instructions for Use:

1. Power Supply Connection:

   • Connect the positive supply voltage to the "Anode" pin.
   • Connect the negative supply (ground) to the "Cathode" pin.

2. Reference Voltage Output:

   • The reference voltage (2.5V) is available at the "Ref" pin when the device is properly biased.

3. External Components:

   • For precise regulation, use external resistors to set the output voltage.
   • Ensure that the resistors are of high precision and low temperature coefficient.

4. Thermal Management:

   • If operating at high current or in high ambient temperatures, ensure adequate heat sinking to keep the junction temperature within the specified limits.

5. Stability:

   • To ensure stability, place a bypass capacitor (typically 0.1 μF) between the "Anode" and "Cathode" pins as close to the device as possible.

6. Protection:

   • Consider adding input and output capacitors to filter noise and provide transient protection.
   • Use a series resistor on the "Ref" pin to limit current if driving a load with significant capacitance.

7. Handling:

   • Handle the device with care to avoid damage from electrostatic discharge (ESD).
   • Follow standard ESD precautions during assembly and testing.

8. Storage:

   • Store the device in a dry, cool environment to prevent moisture damage and degradation.

9. Testing:

   • Before finalizing the design, test the circuit under various conditions to ensure it meets performance requirements.

10. Compliance:

    • Ensure that the design complies with relevant safety and regulatory standards.

(For reference only)