參數(shù)資料
型號(hào)： LMV431B
廠商： National Semiconductor Corporation
英文描述： Low-Voltage (1.24V) Adjustable Precision Shunt Regulators
中文描述： 低電壓（兩種器件）可調(diào)精密并聯(lián)穩(wěn)壓器
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 556K
代理商： LMV431B
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 1)
Storage Temperature Range
Operating Temperature Range
Industrial (LMV431AI, LMV431I)
Commercial (LMV431AC,
LMV431C,
LMV431BC)
Lead Temperature
TO92 Package/SOT23 -5,-3 Package
(Soldering, 10 sec.)
Internal Power Dissipation (Note 2)
TO92
SOT23-5, -3 Package
Cathode Voltage
Continuous Cathode Current
Reference Input Current range
65C to +150C
40C to +85C
0C to +70C
265C
0.78W
0.28W
35V
30 mA to +30mA
.05mA to 3mA
Operating Conditions
Cathode Voltage
V
REF
to 30V
Cathode Current
Temperature range
LMV431AI
Thermal Resistance (
θ
JA
)(Note 3)
SOT23-5, -3 Package
TO-92 Package
Derating Curve (Slope = 1/
θ
JA
)
0.1 mA to 15mA
40C
≤
T
A
≤
85C
455 C/W
161 C/W
10095830
LMV431C Electrical Characteristics
T
A
= 25C unless otherwise specified
Symbol
Parameter
V
REF
Reference Voltage
Conditions
Min
1.222
1.21
Typ
1.24
Max
1.258
1.27
12
Units
V
Z
= V
REF
, I
Z
= 10mA
(See Figure 1
)
T
A
= 25C
T
A
= Full Range
V
V
DEV
Deviation of Reference Input Voltage
Over Temperature (Note 4)
Ratio of the Change in Reference
Voltage to the Change in Cathode
Voltage
Reference Input Current
V
Z
= V
REF
, I
Z
= 10mA,
T
A
= Full Range
(See Figure 1
)
I
Z
= 10mA
(see Figure 2
)
V
Z
from V
REF
to 6V
R
1
= 10k, R
2
=
∞
and 2.6k
R
1
= 10k
, R
2
=
∞
I
I
= 10mA
(see Figure 2
)
R
1
= 10k
, R
2
=
∞
,
I
I
= 10mA, T
A
= Full Range
(see Figure 2
)
V
Z
= V
REF
(see Figure 1
)
4
mV
1.5
2.7
mV/V
I
REF
0.15
0.5
μA
∝
I
REF
Deviation of Reference Input Current
over Temperature
0.05
0.3
μA
I
Z(MIN)
Minimum Cathode Current for
Regulation
Off-State Current
Dynamic Output Impedance (Note 5)
55
80
μA
I
Z(OFF)
r
Z
V
Z
=6V, V
REF
= 0V
(see Figure 3
)
V
Z
= V
REF
, I
Z
= 0.1mA to 15mA
Frequency = 0Hz
(see Figure 1
)
0.001
0.1
μA
0.25
0.4
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMV431BCM5 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)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
LMV431BCM5/NOPB 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)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
LMV431BCM5X 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)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
LMV431BCM5X/NOPB 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)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
LMV431BCZ 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low-Voltage (1.24V) Adjustable Precision Shunt Regulators
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