Nexperia TL431
The TL431 family comprises a range of 3-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive and commercial temperature ranges. These devices have a typical output impedance of 0.2 Ω.| Part No. | TL431 |
|---|---|
| Datasheet | TL431 Download |
| Manufacturer |  Nexperia |
| Description | Adjustable precision shunt regulators |
| Buy | Stock & Price |
FEATURES AND BENEFITS
● Programmable output voltage up to 36 V● Three different reference voltage tolerances:
●
● Standard grade: 2 %
● A-Grade: 1 %
● B-Grade: 0.5 %
● Typical temperature drift: 9 mV (in a range of 0 °C up to 70 °C)
● Low output noise
● Typical output impedance: 0.2 Ω
● Sink current capability: 1 mA to 100 mA
● AEC-Q100 qualified (grade 1) [1] [1] Part of the products (as listed in the revision history) have removed automotive qualification status, thus not applicable to automotive applications. 3.
APPLICATIONS
● Shunt regulator● Precision current limiter
● Precision constant current sink
● Isolated feedback loop for Switch Mode Power Supply (SMPS) Nexperia TL431 family Adjustable precision shunt regulators 4. Quick reference data Table 2. Quick reference data Symbol Parameter Conditions VKA cathode-anode voltage IK cathode current Vref reference voltage VKA = Vref; IK = 10 mA;
● Standard-Grade (2.0 %) Tamb = 25 °C
● A-Grade (1.0 %)
● B-Grade (0.5 %) Min Typ Max Unit Vref - 36 V 1 - 100 mA 2440 2495 2550 mV 2470 2495 2520 mV 2483 2495 2507 mV 5.
