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參數(shù)資料

型號(hào)：	LMV431AIMF
廠商：	NATIONAL SEMICONDUCTOR CORP
元件分類：	基準(zhǔn)電壓源/電流源
英文描述：	Low-Voltage (1.24V) Adjustable Precision Shunt Regulators
中文描述：	1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PDSO3
封裝：	SOT-23, 3 PIN
文件頁數(shù)：	6/16頁
文件大?。?/td>	556K
代理商：	LMV431AIMF

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LMV431AI Electrical Characteristics

T

A

= 25C unless otherwise specified

Symbol

Parameter

V

REF

Reference Voltage

Conditions

Min

1.228

1.215

Typ

1.24

Max

1.252

1.265

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

LMV431BC Electrical Characteristics

T

A

= 25C unless otherwise specified

Symbol

Parameter

V

REF

Reference Voltage

Conditions

Min

1.234

1.227

Typ

1.24

Max

1.246

1.253

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

0.50

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 = 0Hz

(see Figure 1

)

0.001

0.1

μA

0.25

0.4

LMV431BI Electrical Characteristics

T

A

= 25C unless otherwise specified

Symbol

Parameter

V

REF

Reference Voltage

Conditions

Min

1.234

1.224

Typ

1.24

Max

1.246

1.259

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

)

6

mV

1.5

2.7

mV/V

I

REF

0.15

0.50

μA

L

www.national.com

6

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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
LMV431AIMF/NOPB	功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 LOW-VLTG, 1.24V, ADJ PREC SHUNT REG 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
LMV431AIMF/NOPB	制造商:Texas Instruments 功能描述:Shunt Voltage Regulator IC
LMV431AIMFX	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
LMV431AIMFX/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
LMV431AIMFX-NOPB	制造商:TI 制造商全稱:Texas Instruments 功能描述:Low-Voltage (1.24V) Adjustable Precision Shunt Regulators

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