TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
TL431 *SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
8 of 14
www.diodes.com
April 2012
© Diodes Incorporated
Typical Performance Characteristics (cont.)
0
1
2
3
4
5
6
01 2
345678910
t Time ( s)
Pulse Response
μ
Input and Output Voltage (V)
Output
Input
T = 25C
A
°
Test Circuit for Pulse Response
0
10
20
30
40
50
60
70
80
90
100
0.00001 0.0001
0.001 0.01 0.1 1
D
C -Load Capacitance - uF
Stability Boundary Conditions
L
I - Cathode Current - mA
KA
A V = V
B V = 5V
C V = 10V
D V = 15V
KA REF
KA
KA
KA
Stable
Stable
Stable
D
C
CB
B
A
10
T = 25C
A
°
Test Circuit for Curve A
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.
