Update: 30 September, 2023
The AP431/AP431A are 3-terminal adjustable precision shunt regulators with guaranteed temperature stability and an extended commercial temperature range. The output voltage can be set to any level greater than 2.495V (VREF) up to 36V merely by selecting two external resistors that act as a voltage divider network. These devices have a typical output impedance of 0.2Ω. Active output circuitry provides very sharp turn-on characteristics, making these devices excellent improved replacements for Zener diodes in many applications. The precise (+/-) 1% Reference voltage tolerance of the AP431/431A make it possible in many applications to avoid the use of a variable resistor, consequently saving cost and eliminating drift and reliability problems associated with variable resistors.
File format: PDF
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MD5 Checksum: 4E6769FFBE24DA2D9B2461F326E35326
Publication date: 08 June, 2012
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PDF Link: AnaChip AP431/AP431A handbook PDF