參數(shù)資料
型號： 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
文件頁數(shù)： 5/16頁
文件大?。?/td> 556K
代理商： LMV431B
LMV431I Electrical Characteristics
T
A
= 25C unless otherwise specified
Symbol
Parameter
V
REF
Reference Voltage
Conditions
Min
1.222
1.202
Typ
1.24
Max
1.258
1.278
20
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
)
6
mV
1.5
2.7
mV/V
I
REF
0.15
0.5
μA
∝
I
REF
Deviation of Reference Input Current
over Temperature
0.1
0.4
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
LMV431AC Electrical Characteristics
T
A
= 25C unless otherwise specified
Symbol
Parameter
V
REF
Reference Voltage
Conditions
Min
1.228
1.221
Typ
1.24
Max
1.252
1.259
12
Units
V
Z
= V
REF
, I
Z
= 10 mA
(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
= 10 mA
(see Figure 2
)
V
Z
from V
REF
to 6V
R
1
= 10k, R
2
=
∞
and 2.6k
R
1
= 1 k
, R
2
=
∞
I
I
= 10 mA
(see Figure 2
)
R
1
= 10 k
, R
2
=
∞
,
I
I
= 10 mA, 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
0.50
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 = 0 Hz
(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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