參數(shù)資料
型號(hào): TL431A
廠商: Fairchild Semiconductor Corporation
英文描述: Programmable Shunt Regulator(Programmable Output Volage to 36V)(可調(diào)分流穩(wěn)壓器(輸出電壓可達(dá)36V))
中文描述: 可編程并聯(lián)穩(wěn)壓器(可編程輸出Volage至36V)(可調(diào)分流穩(wěn)壓器(輸出電壓可達(dá)36V的))
文件頁數(shù): 3/12頁
文件大?。?/td> 83K
代理商: TL431A
TL431/TL431A
3
Electrical Characteristics
(T
A
= +25
°
C
, unless otherwise specified)
T
MIN
= -25
o
C, T
MAX
= +85
o
C
Parameter
Symbol
Conditions
TL431
Typ.
TL431A
Typ. Max.
Unit
Min.
Max.
Min.
Reference Input Voltage
Deviation of Reference
Input Voltage Over-
Temperature (Note 1)
Ratio of Change in
Reference Input Voltage
V
REF
V
KA
=V
REF
, I
KA
=10mA
2.440 2.495
2.550
2.470 2.495 2.520
V
V
REF
/
T
V
REF
/
V
KA
V
KA
=V
REF
, I
KA
=10mA
T
MIN
T
A
T
MAX
-
4.5
17
-
4.5
17
mV
I
KA
=10mA
V
KA
=10V-
V
REF
V
KA
=36V-
10V
-
- 10
- 2.7
-
- 1.0
- 2.7
mV/V
to the Change in
Cathode Voltage
-
-0.5
-2.0
-
-0.5
-2.0
Reference Input Current
I
REF
I
KA
=10mA,
R
1
=10K
,R
2
=
I
KA
=10mA,
R
1
=10K
,R
2
=
T
A
=Full Range
-
1.5
4
-
1.5
4
μ
A
Deviation of Reference
Input Current Over Full
Temperature Range
I
REF
/
T
-
0.4
1.2
-
0.4
1.2
μ
A
Minimum Cathode Cur-
rent for Regulation
I
KA(MIN)
V
KA
=V
REF
-
0.45
1.0
-
0.45
1.0
mA
Off - Stage Cathode
Current
Dynamic Impedance
(Note 2)
I
KA(OFF)
V
KA
=36V,
V
REF
=0
V
KA
=V
REF
,
I
KA
=1 to 100mA
f
1.0KHz
-
0.05
1.0
-
0.05
1.0
μ
A
Z
KA
-
0.15
0.5
-
0.15
0.5
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