TL431
PROGRAMMABLE PRECISION REFERENCES
ABSOLUTE MAXIMUM RATINGS
(Full Operating Ambient Temperature Range Applies Unless Otherwise Noted)
CHARACTERISTIC
Cathode Voltage
Continuous Cathode Current Range
Reference Input Current Range
Junction Temperature
Operating Temperature
Storage Temperature
Total Power Dissipation
SYMBOL
V
KA
I
KA
I
REF
T
J
T
OPR
T
STG
P
D
RATING
37
-100~+150
0.05~10
150
-20 ~ 85
-65 ~ 150
700
UNIT
V
㎃
㎃
℃
℃
℃
�½
TL431-0.3%
ELECTRICAL CHARACTERISTIC (T
A
=25℃, unless otherwise specified)
CHARACTERISTIC
Reference Input Voltage
Deviation of Reference
Input Voltage Over
Full Temperature Range
Ratio of Change in
Reference Input Voltage
to the Change in Cathod
Voltage
Reference Input Current
Deviation of Reference
Input Current Over Full
Temperature Range
Minimum Cathode
Current for Regulation
Off-State Cathode
Current
Dynamic Impedance
I
KA
MIN
1
ΔV
KA
=V
REF
0.5
1
㎃
ΔI
REF
/ΔT
2
I
REF
2
ΔV
REF
/ΔV
KA
SYMBOL CIR-CUIT
V
REF
1
TEST CONDITION
V
KA
=V
REF
, I
K
=10㎃
V
KA
=V
REF
, I
K
=10㎃
MIN.
TYP.
MAX.
UNIT
2.487V
2.495V 2.502V
ΔV
REF
/ΔT
1
T
A
=Full Range
3
17
㎷
ΔV
KA
=10V-V
REF
2
I
K
=10㎃
ΔV
KA
=36V-10V
I
KA
=10㎃, R1=10㏀, R2=∞
I
K
=10㎃, R1=10㏀, R2=∞
T
A
=Full Range
-1.4
-2.7
㎷/V
-1
1.8
-2
4
㎂
0.4
1.2
㎂
I
KA
OFF
3
V
KA
=36V, V
REF
=0
0.2
1
㎂
Z
KA
1
V
KA
=V
REF,
I
K
=1㎃~100㎃,
f≤1㎑
0.2
0.5
Ω
２
JinYu
semiconductor
www.htsemi.com
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