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AP431IAVA Datasheet(PDF) 1 Page - Anachip Corp |
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AP431IAVA Datasheet(HTML) 1 Page - Anachip Corp |
1 / 17 page Adjustable Precision Shunt Regulator AP431/AP431A This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. Rev.1.0 May.7, 2004 1/17 Features • Precision reference voltage AP431 : 2.495V ± 1% AP431A : 2.495V ± 0.5% • Sink current capability: 200mA • Minimum cathode current for regulation: 300μA • Equivalent full-range temp coefficient: 30 ppm/ oC • Fast turn-on response • Low dynamic output impedance: 0.2Ω • Programmable output voltage to 36v • Low output noise. • Packages: TO92, SOT89, SOT23, SOT25 and SOP Description The AP431/AP431A are 3-terminal adjustable precision shunt regulators with guaranteed temperature stability over the applicable extended commercial temperature range. The output voltage may be set at 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 it. Ordering Information A P 4 3 1 X X X X X Package Packing Blank : Tube or bulk A : Taping Reference Voltage Tolerance: Blank : +/- 1% A : +/- 0.5% Operating Temp. Range Blank : SOP-8L Y : SOT89-3L V : TO92-3L W : SOT23-3L R : SOT23-3L Q : SOT25 Blank : -20oC~85oC I : -40oC~85oC Lead Free Blank : Normal L : Lead Free Package Typical Application Circuit + + R2 R1 VOUT VIN VOUT = (1+R1/R2)VREF Precision Regulator Cin Cout AP431 |
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