Its active output circuitry provides a very sharp turn-on characteristic, making it an excellent replacement for Zener diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. This device is a pin-to-pin alternative to the TL431LI-Q1 and TL432LI-Q1, with lower minimum operating current to help reduce system power consumption.
The ATL432LI-Q1 has exactly the same functionality and electrical specifications as the ATL431LI-Q1, but has a different pinout for the DBZ package.
The ATL431LI-Q1 is offered in two grades, with initial tolerances (at 25°C) of 0.5%, and one percent, for the B and A grade, respectively. The ATL43xLI-Q1 is characterised for operation from -40 to +125°C, and its low output drift versus temperature ensures good stability over the entire temperature range.
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