參數(shù)資料
型號： LM431SA
廠商： Fairchild Semiconductor Corporation
英文描述： Programmable Shunt Regulator
中文描述： 可編程并聯(lián)穩(wěn)壓器
文件頁數(shù)： 4/12頁
文件大?。?/td> 380K
代理商： LM431SA
Absolute Maximum Ratings
(Note 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Storage Temperature Range
Operating Temperature Range
Industrial (LM431xI)
Commercial (LM431xC)
Soldering Information
Infrared or Convection (20 sec.)
Wave Soldering (10 sec.)
Cathode Voltage
Continuous Cathode Current
65C to +150C
40C to +85C
0C to +70C
235C
260C (lead temp.)
37V
10 mA to +150 mA
Reference Voltage
Reference Input Current
Internal Power Dissipation (Notes 3, 4)
TO-92 Package
SO-8 Package
SOT-23 Package
micro SMD Package
0.5V
10 mA
0.78W
0.81W
0.28W
0.30W
Operating Conditions
Min
V
REF
1.0 mA
Max
37V
100 mA
Cathode Voltage
Cathode Current
LM431
Electrical Characteristics
T
A
= 25C unless otherwise specified
Symbol
V
REF
Reference Voltage
Parameter
Conditions
Min
2.440
Typ
2.495
Max
2.550
Units
V
V
Z
= V
REF
, I
I
= 10 mA
LM431A (Figure 1 )
V
Z
= V
REF
, I
I
= 10 mA
LM431B (Figure 1 )
V
Z
= V
REF
, I
I
= 10 mA
LM431C (Figure 1 )
V
Z
= V
REF
, I
I
= 10 mA,
T
A
= Full Range (Figure 1 )
I
Z
= 10 mA
2.470
2.495
2.520
V
2.485
2.500
2.510
V
V
DEV
Deviation of Reference Input Voltage Over
Temperature (Note 5)
Ratio of the Change in Reference Voltage
8.0
17
mV
V
Z
from V
REF
to 10V
1.4
2.7
mV/V
to the Change in Cathode Voltage
(Figure 2 )
V
Z
from 10V to 36V
1.0
2.0
I
REF
Reference Input Current
R
1
= 10 k
, R
2
=
∞
,
I
I
= 10 mA (Figure 2 )
R
1
= 10 k
, R
2
=
∞
,
I
I
= 10 mA,
T
A
= Full Range (Figure 2 )
V
Z
= V
REF
(Figure 1 )
V
Z
= 36V, V
REF
= 0V (Figure 3 )
V
Z
= V
REF
, LM431A,
Frequency = 0 Hz (Figure 1 )
V
Z
= V
REF
, LM431B, LM431C
Frequency = 0 Hz (Figure 1 )
2.0
4.0
μA
∝
I
REF
Deviation of Reference Input Current over
Temperature
0.4
1.2
μA
I
Z(MIN)
I
Z(OFF)
r
Z
Minimum Cathode Current for Regulation
Off-State Current
Dynamic Output Impedance (Note 6)
0.4
0.3
1.0
1.0
0.75
mA
μA
0.50
Note 2:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating conditions.
Note 3:
T
J Max
= 150C.
Note 4:
Ratings apply to ambient temperature at 25C. Above this temperature, derate the TO-92 at 6.2 mW/C, the SO-8 at 6.5 mW/C, the SOT-23 at 2.2 mW/C
and the micro SMD at 3mW/C.
Note 5:
Deviation of reference input voltage, V
DEV
, is defined as the maximum variation of the reference input voltage over the full temperature range.
L
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相關代理商/技術參數(shù)
參數(shù)描述
LM431SA_06 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Programmable Shunt Regulator
LM431SA_11 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Programmable Shunt Regulator
LM431SA_12 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Programmable Shunt Regulator
LM431SACM32X 功能描述:基準電壓& 基準電流 Programmabled Shunt Regulator 2% RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)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
LM431SACM3X 功能描述:基準電壓& 基準電流 Adj 2.5V, 2% Tol Shunt Regulator RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)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
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