Datasheet AP431 (Diodes) - 8

NOT RECOMMENDED FOR NEW DESIGN USE AS431 AP431/AP431A Typical Performance Characteristics
(cont.) 6 T = 25°C A ) Input 5 220Ω (V E Output G A T 4 L O V Pulse T 50Ω U Generator 3 P f = 100kHz T Output U O d n 2 a GND T U P IN 1 Test Circuit for Pulse Response 0 -1 0 1 2 3 4 5 6 7 t- TIME (µs) Pulse Response 100 150Ω A V = V T = 25 C ° KA REF A 90 B V = 5V KA C V = 10V ) KA A 80 D V = 15V KA I B KA Stable (m + T 70 N V E C BATT L R - R 60 U Stable C C 50 E A D O 40 H T A 30 - C Test Circuit for Curve A D AIK 20 10 0 I R1 = 10KΩ KA 150Ω 0.001 0.01 0.1 1 10 C - LOAD CAPACITANCE (µF) L † C Stability Boundary Conditions L † + The areas under the curves represent conditions that may cause R2 V the device to oscilate. For curves B, C, and D, R2 and V+ were BATT - adjusted to establish the initial VKA and IKA conditions with CL = 0. VBATT and CL were then adjusted to determine the ranges of stability. Test Circuit for Curve B, C, and D AP431/AP431A 8 of 17 September 2014 Document number: DS31002 Rev. 21 - 2
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