TL431
PROGRAMMABLE PRECISION REFERENCES
TL431-0.5%
ELECTRICAL CHARACTERISTIC
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
SYMBOL CIR-CUIT
V
REF
1
ΔV
REF
/ΔT
(T
A
=25℃, unless otherwise specified)
MIN.
TYP. MAX.
UNIT
2.48 2 V 2 .495V
2.507V
3
17
㎷
1
TEST CONDITION
V
KA
=V
REF
, I
K
=10㎃
V
KA
=V
REF
, I
K
=10㎃
T
A
=Full Range
ΔV
KA
=10V-V
REF
-1.4
-1
1.8
0.4
-2.7
㎷/V
-2
4
1.2
㎂
㎂
ΔV
REF
/ΔV
KA
2
I
K
=10㎃
ΔV
KA
=36V-10V
I
KA
=10㎃, R1=10㏀, R2=∞
I
K
=10㎃, R1=10㏀, R2=∞
T
A
=Full Range
ΔV
KA
=V
REF
V
KA
=36V, V
REF
=0
V
KA
=V
REF,
I
K
=1㎃~100㎃,
f≤1㎑
I
REF
ΔI
REF
/ΔT
2
2
I
KA
MIN
I
KA
OFF
Z
KA
1
3
1
0.5
0.2
0.2
1
1
0.5
㎃
㎂
Ω
TL431-1%
ELECTRICAL CHARACTERISTIC
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
SYMBOL CIR-CUIT
V
REF
1
ΔV
REF
/ΔT
(T
A
=25℃, unless otherwise specified)
MIN.
TYP. MAX.
2.47V
2 .495V
2.52V
3
17
UNIT
1
TEST CONDITION
V
KA
=V
REF
, I
K
=10㎃
V
KA
=V
REF
, I
K
=10㎃
T
A
=Full Range
ΔV
KA
=10V-V
REF
㎷
-1.4
-1
1.8
0.4
-2.7
㎷/V
-2
4
1.2
㎂
㎂
ΔV
REF
/ΔV
KA
I
I
REF
ΔI
REF
/ΔT
2
I
K
=10㎃
ΔV
KA
=36V-10V
I
KA
=10㎃, R1=10㏀, R2=∞
I
K
=10㎃, R1=10㏀, R2=∞
T
A
=Full Range
ΔV
KA
=V
REF
V
KA
=36V, V
REF
=0
V
KA
=V
REF,
I
K
=1㎃~100㎃,
f≤1㎑
2
2
I
KA
MIN
I
KA
OFF
Z
KA
1
3
1
0.5
0.2
0.2
1
1
0.5
㎃
㎂
Ω
３
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semiconductor
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