Datasheet TL431, TL432 (Diodes) - 8

TL431/TL432 ADJUSTABLE PRECISION SHUNT REGULATOR Typical Performance Characteristics (cont.)
6 T = 25 C ° Input A 5 ) (V 4 ltage o t V u tp 3 u Out put O d t an 2 u p In
Test Circuit for Pulse Response
1 0 0 1 2 3 4 5 6 7 8 9 10 t Time ( s μ ) Pulse Response 100 D T = 25 C ° D A 90 80 A C C B A m 70 - Stable Stable Stable rent 60 ur e C 50 B hod
Test Circuit for Curve A
40 at - C 30 I KA 20 A V = V KA REF B V = 5V KA C V = 10V 10 KA D V = 15V KA 0 0.00001 0.0001 0.001 0.01 0.1 1 10 C -Load Capacitance - uF L Stability Boundary Conditions Test circuit for curves B, C, D
Test Circuit for Curves B, C, D
The device is stable under all conditions with a load capacitance not exceeding 50pF. The device is stable under all conditions with a load capacitance between 5nF and 20nF. The device is stable under all conditions with a load capacitance exceeding 300nF. With a cathode current not exceeding 5mA, the device is stable with any load capacitance. TL431 *SO-8 is a future package 8 of 14 April 2012 Document number: DS35044 Rev. 6 - 2
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