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AP431/AP431A ADJUSTABLE PRECISION SHUNT REGULATOR Features General Description The AP431 and AP431A are 3-terminal adjustable precision Precision reference voltage shunt regulators with guaranteed temperature stability over the AP431 2.495V 1% applicable extended commercial temperature range. The output AP431A 2.495V 0.5% voltage may be set at any level greater than 2.495V (VREF) up to Sink current capability 200mA 36V merely by selecting two external resistors that act as a Minimum cathode current for regulation 300 A voltage divider network. These devices have a typical output Equivalent full-range temp coefficient 30 ppm/oC impedance of 0.2 . Active output circuitry provides very sharp Fast turn-on response ... See More ⇒