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AP431AM Datasheet(PDF) 1 Page - Advanced Power Electronics Corp. |
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AP431AM Datasheet(HTML) 1 Page - Advanced Power Electronics Corp. |
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1 / 10 page  www.a-power.com.tw 1 Advanced Power Electronics Corp. AP431A Features • Precision reference voltage 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: TO-92,SOT-23, SOT-25 and SOP-8 • RoHS Compliant & Halogen Free Product Description The 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 AP431A 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 Typical Application Circuit + + + + + + + + R2 R1 VOUT VIN VOUT = (1+R1/R2)VREF Precision Regulator Cin Cout AP431 AP431A ADJUSTABLE PRECISION SHUNT REGULATOR A P 4 3 1 A X - X Package Reference Voltage T : TO-92 N/NR : SOT-23 Y : SOT-25 M : SOP-8 Tolerance : A : +/- 0.5% B : +/- 1% G: SOT-89 SOT-89 20130401V6.2 |
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