Description

The GM1431 is a three terminal adjustable shunt regulator with thermal stability guaranteed over temperature. Output voltage can be adjusted to any value between 2.5V (Vref) and 36V by using two external resistors. The GM1431 has a typical dynamic output impedance of 0.2W. Active output circuitry provides a very unique turn on characteristic, making the GM1431 an excellent tum on replacement for zener diodes in many applications such as onboard regulation and adjustable power supplies. The GM1431 is an ideal voltage reference for 3.0 to 3.3V switching power supplies.

Features

♦ Sink Current Capability 1 mA to 100mA

♦ Low dynamic output impedance, 0.2W typ.

♦ 0.5, 1 or 2 reference voltage tolerance

♦ Alternate for TL431, TL431, LM431 & AS431

♦ Temperature range 0°C to+ 70 °C

♦ Available in SOT-23, TO-92, SOT-89 and SOP- 8 packages

Application

♦ Switching power supplies

♦ Linear regulators

♦ Adjustable supplies

♦ Battery-operated computers

♦ Computer disk drives

♦ Instrumentation