A Product Line of
Diodes Incorporated
TLV431
Electrical Characteristics (@T A = +25°C, unless otherwise specified.)
Symbol
Parameter
V KA = V REF ,
T A = +25°C
Conditions
TLV431A
TLV431B
TLV431T
Min
1.228
1.234
1.2375
Typ
1.24
1.24
1.24
Max
1.252
1.246
1.2425
Units
V REF
Reference Voltage
V KA = V REF ,
T A = 0 to +70°C
V KA = V REF ,
T A = -40 to +85°C
TLV431A
TLV431B
TLV431T
TLV431A
TLV431B
TLV431T
1.221
1.227
1.230
1.215
1.224
1.228
1.259
1.253
1.250
1.265
1.259
1.252
V
Deviation of reference
V KA = V REF ,
T A = -40 to +125°C
TLV431A
TLV431B
TLV431T
T A = 0 to +70°C
1.209
1.221
1.224
4
1.271
1.265
1.255
12
V REF(dev)
voltage over full
V KA = V REF
T A = -40 to +85°C
6
20
mV
temperature range
T A = -40 to +125°C
11
31
Δ V REF
Δ V KA
I REF
I REF(dev)
I KMIN
Ratio of change in
reference voltage to the
change in cathode
voltage
Reference Input Current
I REF deviation over full
temperature range
Minimum cathode
current for regulation
V KA for V REF to
R 1 = 10k ? , R 2 = OC
R 1 = 10k ? ,
R 2 = OC
V KA = V REF
6V
18V
T A = 0 to +70°C
T A = -40 to +85°C
T A = -40 to +125°C
T A = 0 to +70°C
T A = -40 to +85°C
-1.5
-1.5
0.15
0.05
0.1
0.15
55
55
-2.7
-2.7
0.5
0.3
0.4
0.5
80
80
mV/V
μA
μA
μA
T A = -40 to +125°C
55
100
I K(OFF)
Z KA
Off state current
Dynamic output
impedance
V KA = 18V, V REF = 0V
V KA = V REF, f = <1kHz
I K = 0.1 to 15mA
0.001
0.25
0.1
0.4
μA
?
TLV431
Document number: DS32088 Rev. 6 - 2
3 of 14
October 2012
? Diodes Incorporated
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