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APL1431AEI-TB Datasheet(PDF) 3 Page - Anpec Electronics Coropration |
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APL1431AEI-TB Datasheet(HTML) 3 Page - Anpec Electronics Coropration |
3 / 12 page Copyright ANPEC Electronics Corp. Rev. A.3 - May., 2003 APL1431 www.anpec.com.tw 3 Electrical Characteristics Cont. T A= 25°C ( unless otherwise noted) Test figures Figure 1. Test Circuit for V KA=VREF , VO=VKA=VREF Figure 2. Test Circuit for V KA>VREF, V O= VKA= VREF× (1+R1/R2) + IREF × R1 Figure 3. Test Circuit for I K(off) Notes : *1 : use Figure 1 *2 : use Figure 2 *3 : use Figure 3 Application schematic ∗ R b should provide cathode current large than 1mA to maintain APL431 work properly. 5-Volt Precision Regulator VIN Vo IK VREF Vo VIN IK(off) VIN IK IREF VREF R1 R2 Vo Vo VIN 27.5k Ω 0.1% 27.5k Ω 0.1% Rb APL1431 Symbol Parameter Test Conditions Min. Typ. Max. Unit I REF Reference current I K=10mA, R 1=10k Ω, R2=open*2 1.0 3 µA ∆IREF/T Reference current drift I K=10mA, R1=10k Ω, R 2=open, TA= -40 to 85 °C*2 0.3 1 µA I K(min) Min. cathode current V KA=VREF *1 0.25 0.5 mA I K(off) Off-state cathode current V KA= 20V, VREF= 0V *3 0.1 1 µA |Z KA| Dynamic impedance V KA=VREF I K=1mA to 100mA, f ≤1kHz*1 0.1 0.4 Ω I K Cathode current V KA=VREF+ 50mV *2 100 mA |
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