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參數資料
| 型號： | AS1431M1 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PSSO3 |
| 封裝： | SOT-89, 3 PIN |
| 文件頁數： | 1/7頁 |
| 文件大小： | 115K |
| 代理商： | AS1431M1 |
Rev. 10/5/00
Precision Adjustable
Shunt Regulator
FEATURES
Voltage Tolerance ................................................0.4%
Wide Operating Current.....................1mA to 150mA
Extended Temperature Range ........... -55
°
C to 125
°
C
Low Temperature Coefficient ........................30 ppm/
°
C
Improved
Replacement in Performance for
LT1431
Offered In Small Low Power SOT-89 Package
Low Output Noise
PRODUCT DESCRIPTION
The AS1431 is a 3-terminal Adjustable Shunt Voltage Regulator providing a highly accurate 0.4% bandgap reference. AS1431 acts as
an open-loop error amplifier with a 2.5V temperature compensation reference. The AS1431 thermal stability, wide operating current
(150mA) and temperature range (125
°
C) makes it suitable for all varieties of applications that are looking for a low cost solution with
high performance.
AS1431 tolerance of 0.4% is proven to be sufficient to overcome all of the other errors in the system to
virtually eliminate the need for trimming in the power supply manufactures assembly line and contribute a significant Cost
Savings.
In the standard shunt configuration, the combination of low temperature coefficient (T.C.), sharp turn-on characteristics, low output
impedance and programmable output voltage that makes this precision reference an excellent error amplifier.
The AS1431 is a direct improved replacement for the AS431 and TL431 in low voltage, low current applications.
PIN CONFIGURATIONS
APPLICATIONS
Battery Operating Equipment
Adjustable Supplies
Switching Power Supplies
Error Amplifiers
Single Supply Amplifiers
Monitors / VCR / TV
Personal Computers
AS1431
SOT-89 (M1)
Front View
1
REF
2
ANODE
3CATHODE
1
3
2
TO-92 (N)
Bottom View
REF
ANODE
CATHODE
Standard Pinout
8-Pin Surface Mount (S)
Top View
2
1
3
4
8
7
6
5
AS1431
ANODE
N/C
REF
ANODE
N/C
ANODE
ANODE
CATHODE
SOT-23-5 (M5)
3
2
1
Top View
AS1431
5
4
REF
ANODE
N/C
N/C
CATHODE
AS1431
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相關代理商/技術參數 |
參數描述 |
|---|---|
| AS1431M5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS1431N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS1431S1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Adjustable Voltage Regulator |
| AS1431S1/S2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| AS1431S2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Adjustable Voltage Regulator |
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