TLV431_101 Datasheet, PDF (12/38 Pages) Texas Instruments – LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR

TLV431, TLV431A, TLV431B
LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR
SLVS139T − JULY 1996 − REVISED JUNE 2007
PARAMETER MEASUREMENT INFORMATION^†
RATIO OF DELTA REFERENCE VOLTAGE
TO DELTA CATHODE VOLTAGE
vs
JUNCTION TEMPERATURE
(for TLV431 and TLV431A)
0
− 0.1
− 0.2
− 0.3
− 0.4
− 0.5
− 0.6
− 0.7
I_K = 10 mA
∆V_KA = V_REF to 6 V
− 0.8
− 50
−25 0 25 50 75 100 125 150
T_J − Junction Temperature − °C
Figure 9A
Figure 9
RATIO OF DELTA REFERENCE VOLTAGE
TO DELTA CATHODE VOLTAGE
vs
JUNCTION TEMPERATURE
(for TLV431B)
0.00
−0.1
−0.2
I_K = 10 mA
∆V_KA = V_REF to 6 V
−0.3
−0.4
−0.5
−0.6
−0.7
−0.8
−0.9
−1−.10
−50 −25 0
25 50 75 100 125 150
T_J − Junction Temperature − °C
Figure 9B
0.025
0
PERCENTAGE CHANGE IN V_REF
vs
OPERATING LIFE AT 55°C
I_K = 1 mA
−0.025
−0.05
% Change (avg)
% Change (3δ)
−0.075
−0.1
% Change (−3δ)
−0.125
0
10
20
30
40
50
60
Operating Life at 55°C − kh^‡
‡ _{Extrapolated from life-test data taken at 125°C; the activation energy assumed is 0.7 eV.}
Figure 10
† _{Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.}
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