Chip1977Texas Instruments

TL431 Adjustable Precision Shunt Regulator

Three-terminal programmable shunt regulator diode with temperature stability guaranteed over the full operating range. Output voltage can be set to any value between 2.5V and 36V with two external resistors.

Aliase:TL431A, TL431B, Precision Voltage Reference, Shunt Regulator

TO-92 Front View (Flat Face Forward)

3 Pins
TL431Texas InstrumentsTO-92Pin 1REFPin 2ANODEPin 3CATHODEpinoutdb.org
Pin-Tabelle3
PinSignal / NameTypAlternative Funktionen
1REFAnalog
Reference Voltage Terminal (2.495V internal bandgap reference input)
2ANODEGround
Anode Terminal (Normally connected to system Ground / 0V)
3CATHODEPower
Cathode Voltage Output / Shunt Terminal (2.5V to 36V, 1mA to 100mA)