Diodes TL432 - Manual (Page 5)

TL431/TL432
ADJUSTABLE PRECISION SHUNT REGULATOR
TL431 *SO-8 is a future package
Document number: DS35044 Rev. 6 - 2
5 of 14
www.diodes.com
April 2012
© Diodes Incorporated
Typical Performance Characteristics
2400
2420
2440
2460
2480
2500
2520
2540
2560
2580
2600
-55 -35 -15 5 25 45 65 85 105 125
T Free Air Temperature ( C )
R eference Voltage vs. Free Air Temperature
A
°
V
R
e
fe
re
nc
e
V
o
ltag
e
(
m
V
)
RE
F
I = 10mA
V = V
T = 25 C
KA
KA REF
A
°
0
0.05
0.1
0.15
0.2
-55 -35 -15 5 25 45 65 85 105 125
T Free Air Temperature ( C)
Reference Current vs. Free Air Temperature
A
°
I
R
e
fer
e
nc
e
C
u
rr
en
t (
A
)
RE
F
μ
R1 = 10K
R2 =
I
= 10mA
Ω
∞
KA
-100
-50
0
50
100
150
-2 -1 0 1 2 3
V Cathode Voltage (V)
Cathode Current vs. C athode Voltage
KA
I
C
a
th
o
d
e
C
u
rr
e
n
t (
m
A
)
KA
V = V
T = 25 C
KA REF
A
°
-100
0
100
200
-2 -1 0 1 2 3
V Cathode Voltage
Cathode Current vs. Cathode Voltage
KA
I
KMIN
I
Ca
th
o
d
e
Cu
rr
e
n
t (
A
)
KA
μ
V = V
T = 25 C
KA REF
A
°
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
-75 -50 -25 0 25 50 75 100 125
T Free Air Temperature ( C)
Off-State Cathode Current vs. Free Air Temperature
A
°
I
O
ff
-S
ta
te C
a
thode
C
u
rr
e
n
t
(
A
)
KO
F
F
μ
V = 36V
V = 0
KA
REF
-1.0
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-50 -25 0 25 50 75 100 125
V = 3V t o 36V
KA
T Free Air Temperature (C)
R atio of Delta Reference Voltage to Delta Cat hode
Voltage vs. Free Air Temperature
A
dV
/dV
(
mV
/V
)
RE
F
K
A