Datasheet

150:
I
Z
V
Z
C
L
V
SUPPLY
+
-
R
1
10k:
R
2
0.001
0.01 0.1 1 10
LOAD CAPACITANCE C
L
(nF)
0
3
6
9
12
15
CATHODE CURRENT I
Z
(mA)
10k
100
1k
STABLE
STABLE
T
A
= 25°C
I
Z
= 15mA
UNSTABLE
REGION
V
Z
=3V
V
Z
=2V
FOR V
Z
= V
REF
, STABLE FOR C
L
= 1pF
TO 10k nF
150:
I
Z
V
Z
C
L
V
SUPPLY
+
-
LMV431, LMV431A, LMV431B
www.ti.com SNVS041F –MAY 2004–REVISED MAY 2005
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
LMV431 Stability Boundary Condition Test circuit for V
Z
= V
REF
Figure 25. Figure 26.
Test Circuit for V
Z
= 2V, 3V Percentage Change in V
REF
vs. Operating Life at 55°C
Extrapolated from life-test data taken at 125°C; the activation energy
assumed is 0.7eV.
Figure 27. Figure 28.
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