Datasheet

TLV431, TLV431A, TLV431B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
SLVS139T − JULY 1996 − REVISED JUNE 2007
11
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
†
Figure 6
− Cathode Current − mA
CATHODE CURRENT
vs
CATHODE VOLTAGE
15
10
5
0
−5
−10
−15
−1 −0.5 0 0.5 1 1.5
I
K
V
KA
= V
REF
T
A
= 25°C
V
KA
− Cathode Voltage − V
Figure 7
− Cathode Current −
CATHODE CURRENT
vs
CATHODE VOLTAGE
250
200
150
100
50
0
−200
−250
−1 −0.5 0 0.5 1 1.5
I
K
Aµ
V
KA
− Cathode Voltage − V
−50
−100
−150
V
KA
= V
REF
T
A
= 25°C
Figure 8
20
10
0
− Off-State Cathode Current − nA
30
OFF-STATE CATHODE CURRENT
vs
JUNCTION TEMPERATURE
(for TLV431 and TLV431A)
40
−50 −25 0 25 50 75 100 125
I
K(off)
T
J
− Junction Temperature − °C
V
KA
= 5 V
V
REF
= 0
150
OFF-STATE CATHODE CURRENT
vs
JUNCTION TEMPERATURE
(for TLV431B)
0
500
1000
1500
2000
2500
3000
−50 −25 0 25 50 75 100 125 150
V
KA
= 6 V
V
REF
= 0
Figure 8BFigure 8A
T
J
− Junction Temperature − °C
− Off-State Cathode Current − nAI
K(off)
†
Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.