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參數(shù)資料
| 型號： | TL1431D |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | PRECISION PROGRAMMABLE REFERENCE |
| 中文描述： | 精密可編程的參考 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 79K |
| 代理商： | TL1431D |
Symbol
V
KA
I
K
I
ref
T
oper
Parameter
Value
37
Unit
V
mA
mA
o
C
Cathode to Anode Voltage
Continuous Cathode Current Range
Reference Input Current Range
Operating Free-air Temperature Range
-100 to +150
-0.05 to +10
-20 to +70
-40 to +105
-65 to +150
TL1431C/AC
TL1431I/AI
T
stg
Storage Temperature Range
o
C
OPERATING CONDITIONS
Symbol
V
KA
I
K
Parameter
Value
V
ref
to 36
1 to 100
Unit
V
mA
Cathode to Anode Voltage
Cathode Current
ELECTRICALCHARACTERISTICS
T
amb
= 25
o
C (unless otherwise specified)
Symbol
Parameter
TL1431C
Typ.
TL1431AC
Typ.
Unit
Min.
Max.
Min.
Max.
V
ref
Reference Input Voltage - (figure 1)
V
KA
= V
ref
, I
K
= 10mA
Reference Input Voltage Deviation Over
Temperature Range - (figure 1, note1)
V
KA
= V
ref,
I
K =
10mA, T
min.
≤
T
amb
≤
T
max.
Temperature Coefficient of Reference Input
Voltage - (note 2)
V
KA
= V
ref
, I
K
= 10mA, T
min.
≤
T
amb
≤
T
max.
Ratio of Change in Reference Input Voltage to
Change in Cathode to Anode Voltage - (figure2)
I
K
= 10mA,
V
KA
= 36V to 3V
Reference Input Current - (figure 2)
I
K
= 10mA, R
1
= 10k
, R
=
∞
T
amb
= 25
o
C
T
min.
≤
T
amb
≤
T
max.
Reference Input Current Deviation Over
Temperature Range - (figure 2)
I
K
= 10mA, R
1
= 10k
, R
2
=
∞
T
min.
≤
T
amb
≤
T
max.
Minimum Cathode Current for Regulation - (figure
1)
V
KA
= V
ref
Off-State Cathode Current - (figure 3)
Dynamic Impedance - (figure 1, note 3)
V
KA
= V
ref
,
I
K
= 1 to 100mA, f
≤
1kHz
T
amb
= 25
o
C
2.490
2.500
2.510
2.493
2.500
2.507
V
V
ref
3
20
3
20
mV
V
ref
T
±
13
±
90
±
13
±
90
ppm/
o
C
V
ref
V
KA
-2
-1.1
-2
-1.1
mV/V
Iref
1.5
2.5
3
1.5
2.5
3
μ
A
I
ref
0.2
1.2
0.2
1.2
μ
A
I
min
0.5
1
0.5
0.6
mA
I
off
|Z
KA
|
180
500
180
500
nA
0.2
0.5
0.2
0.5
T1
T2
Temperature
V
ref ma x.
V
re fmin.
Notes :
1.
V
ref
is defined as thedifference between the maximum and minimum values obtained over the full temperature
range.
V
ref
= V
refmax.
- V
ref min
2.
The temperature coefficient is defined as the slopes (positiveand negative) of the voltage vs temperature limits whithin
which the reference voltage is guaranteed.
3.
The dynamic Impedance is definedas |Z
KA
|
=
V
KA
I
K
2
5
C
Te mperature
max
2.5V
min
-n p pm/
C
+ n ppm /
C
TL1431
2/8
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相關代理商/技術參數(shù) |
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|---|---|
| TL1431-EP | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PRECISION PROGRAMMABLE REFERENCE |
| TL1431FK | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PRECISION PROGRAMMABLE REFERENCE |
| TL1431I | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:PROGRAMMABLE VOLTAGE REFERENCE |
| TL1431ID | 功能描述:基準電壓& 基準電流 2.5-36V Prog Adjust RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| TL1431ID | 制造商:STMicroelectronics 功能描述:SHUNT REG ADJ +2.5/36V SMD 1431 |
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