Electrical characteristics, Tlv431, A product line of diodes incorporated – Diodes TLV431 User Manual
Page 3
TLV431
Document number: DS32088 Rev. 6 - 2
3 of 14
October 2012
© Diodes Incorporated
TLV431
A Product Line of
Diodes Incorporated
Electrical Characteristics
(@T
A
= +25°C, unless otherwise specified.)
Symbol Parameter
Conditions
Min
Typ
Max
Units
V
REF
Reference Voltage
V
KA
= V
REF
,
T
A
= +25°C
TLV431A 1.228
1.24
1.252
V
TLV431B 1.234
1.24
1.246
TLV431T 1.2375
1.24
1.2425
V
KA
= V
REF
,
T
A
= 0 to +70°C
TLV431A 1.221
1.259
TLV431B 1.227
1.253
TLV431T 1.230
1.250
V
KA
= V
REF
,
T
A
= -40 to +85°C
TLV431A 1.215
1.265
TLV431B 1.224
1.259
TLV431T 1.228
1.252
V
KA
= V
REF
,
T
A
= -40 to +125°C
TLV431A 1.209
1.271
TLV431B 1.221
1.265
TLV431T 1.224
1.255
V
REF(dev)
Deviation of reference
voltage over full
temperature range
V
KA
= V
REF
T
A
= 0 to +70°C
4
12
mV
T
A
= -40 to +85°C
6
20
T
A
= -40 to +125°C
11
31
ΔV
REF
ΔV
KA
Ratio of change in
reference voltage to the
change in cathode
voltage
V
KA
for V
REF
to
6V
-1.5
-2.7
mV/V
18V
-1.5
-2.7
I
REF
Reference Input Current
R
1
= 10k
Ω, R
2
= OC
0.15
0.5 µA
I
REF(dev)
I
REF
deviation over full
temperature range
R
1
= 10k
Ω,
R
2
= OC
T
A
= 0 to +70°C
0.05
0.3
µA
T
A
= -40 to +85°C
0.1
0.4
T
A
= -40 to +125°C
0.15
0.5
I
KMIN
Minimum cathode
current for regulation
V
KA
= V
REF
T
A
= 0 to +70°C
55
80
µA
T
A
= -40 to +85°C
55
80
T
A
= -40 to +125°C
55
100
I
K(OFF)
Off state current
V
KA
= 18V, V
REF
= 0V
0.001
0.1 µA
Z
KA
Dynamic output
impedance
V
KA
= V
REF,
f = <1kHz
I
K
= 0.1 to 15mA
0.25
0.4
Ω