Details

---

BUY TL431AIDBVR https://www.utsource.net/itm/p/1217517.html
ADJUSTABLE PRECISION SHUNT REGULATORS

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Reference Voltage	Vref		2.46	2.5	2.54	V
Cathode Current	IK	V_R = 2.5V	1.0	-	100	mA
Output Leakage Current	IOL	VR = 0V, T_A = 25掳C	-	0.1	-	uA
Thermal Shutdown	TSD		160	-	-	掳C
Operating Junction Temperature	TJ		-40	-	125	掳C
Storage Temperature Range	Tstg		-65	-	150	掳C

Instructions for Using TL431AIDBVR

1. Power Supply and Grounding:

   • Ensure the power supply voltage is within the operating range of the device.
   • Properly connect the ground to avoid noise and ensure stable operation.

2. Reference Voltage Adjustment:

   • Adjust the external resistors connected to the reference pin (pin 2) to set the desired output voltage based on the formula: [ V_ = V_ left(1 + fracright) ]
   • Where ( V_ ) is the reference voltage of the TL431 (approximately 2.5V).

3. Thermal Management:

   • Monitor the junction temperature to prevent overheating. Use appropriate heatsinking if necessary, especially under high current conditions.

4. Protection Circuits:

   • Implement protection circuits like capacitors or diodes as needed to protect against transient voltages and currents.

5. Storage and Handling:

   • Store the device in a dry environment within the specified storage temperature range.
   • Handle with care to avoid damage from electrostatic discharge (ESD).

6. Mounting:

   • Follow manufacturer guidelines for mounting the component on the PCB to ensure proper heat dissipation and mechanical stability.

(For reference only)