TL431_10 Datasheet, PDF (8/12 Pages) Texas Instruments – PRECISION PROGRAMMABLE REFERENCE

PROGRAMMABLE PRECISION SHUNT REGULATOR TL431/A/C
TYPICAL OPERATING CHARACTERISTICS (continued)
100
90
80
70
60
50
40
30
20
10
0
0
Stability Boundary Conditions
C
AB
STABLE
STABLE
BA
D
1
10
100 1000 10000 100000
C_L-Load Capacitance (nF)
150Ω
R1
C_L
R2
< Fig 5. TEST Circuit >
A V_KA = V_REF, R1= 0Ω, R2 = ∞
B V_KA = 5.0V, R1=10kΩ, R2 = 10kΩ
C V_KA = 10.0V, R1=10kΩ, R2 = 3.3kΩ
D V_KA = 15.0V, R1=10kΩ, R2 = 2KΩ
Dec. 2010 – Rev.1.5
-8-
HTC