The TL1431-EP device is a precision-programmable reference with specified thermal
stability over the military temperature range. The output voltage can be set to any value from
VI(ref) (approximately 2.5 V) to 36 V with two external
resistors (see ). This device has a typical output impedance of 0.2 Ω.
circuitry provides a very sharp turnon characteristic, making the
device an excellent replacement
for Zener diodes and other types of references in applications such as
adjustable power supplies, and switching power supplies.
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