[HTC]

DESCRIPSION
The TL431 is a three-terminal adjustable shunt regulator with specified thermal stability over applicable temperature VREF (Approx. 2.5V) and 40V with two external resistors. This device has a typical dynamic output impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic, making this device excellent replacement for zener diodes in many applications. The TL431 is characterized for operation from -40℃ to +125℃.

FEATURES
● Programmable Output Voltage to 40V
● Guaranteed 0.5% Reference Voltage Tolerance
● Low (0.2Ω Typ.) Dynamic Output Impedance
● Cathode Current Range(Continuous) – 100 ~ 150 mA
● Equivalent Full Range Temperature Coefficient of 50PPM/℃
● Temperature Compensated For Operation Over Full Rate Operating Temperature Range
● Low Output Noise Voltage
● Fast Turn-on Response
● TO-92, SOT-89 or SOT-23 3L Package

APPLICATION
● Shunt Regulator
● Precision High-Current Series Regulator
● High-Current Shunt Regulator
● Crowbar Circuit
● PWM Converter With Reference
● Voltage Monitor
● Precision Current Limiter