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參數(shù)資料
| 型號： | AS3431N |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 95K |
| 代理商： | AS3431N |
Rev. 10/11/00
AS3431
Micropower SOT-23, 2.5V Precision
Adjustable
Shunt Regulator
FEATURES
Voltage Tolerance
..................................
0.5% & 1.0%
Wide Operating Current
...................
1ma To 100mA
Extended Temperature Range
..........................
105
°
C
Low Temperature Coefficient ........................30 ppm/
°
C
Offered in SOT-23, TO-92 & SOT 89
Low Output Noise
APPLICATIONS
Battery Operating Equipment
Adjustable Supplies
Switching Power Supplies
Error Amplifiers
Single Supply Amplifier
Monitors / VCR / TV
Personal Computers
PRODUCT DESCRIPTION
The AS3431 is a 3-terminal Adjustable Shunt Voltage Regulator providing a highly accurate 0.5% bandgap reference. AS3431 acts as
an open-loop error amplifier with a 2.5V temperature compensation reference. The AS3431 thermal stability, wide operating current
(100mA) and temperature range (0
°
C to 105
°
C) makes it suitable for all variety of applications that are looking for a low cost solution
with high performance.
AS3431 tolerance of 0.5% is proven to be sufficient to overcome all the other errors in the system to
virtually eliminate the need for trimming in the power supply manufactures assembly line and contribute a big 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 make this precision reference an excellent error amplifier.
The AS3431 is a direct replacement for the AS431 and TL431 in low voltage, low current applications.
AS3431 is also available in
SOT-89 and TO-92.
ORDERING INFORMATION
TO-92
SOT-23-
3-PIN
SOT-89- 3-PIN
TEMP RANGE
AS3431AN
AS3431AM
AS3431AM1
0
°
C to 105
°
C
AS3431N
AS3431M
AS3431M1
0
°
C to 105
°
C
The AS3431AM is 0.5% tolerance and the marking on the pin should be “3431”
The AS3431M is 1% tolerance and the marking on the pin should be “3432”
Output Accuracy
0.5%
1%
SOT-89
Marking &
pinout for all
devices
SOT-23
Marking & pinout for
the 0.5% device
ANODE
SOT-23
Marking & pinout for
the 1% device
ANODE
Top View
REF
CATHODE
Top View
REF
CATHODE
Top View
3431
1
CATHODE
2
ANODE
3
REF
REF
Top View
1
3
2
CATHODE
ANODE
TO-92 (N)
3431
3432
PIN CONNECTIONS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AS349-12 | SPST RF Absorptive Switch |
| AS358-62 | SPDT RF Reflective Switch |
| AS359-62 | SPDT RF Reflective Switch |
| AS35AT | Temperature Transducer/Sensor |
| AS35CAT | Temperature Transducer/Sensor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AS34320FLF | 制造商:TT Electronics / IRC 功能描述:AS34320FLF |
| AS34320HLF | 制造商:TT Electronics / IRC 功能描述:AS34320HLF |
| AS34320JLF | 制造商:TT Electronics / IRC 功能描述:AS34320JLF |
| AS34321FLF | 制造商:TT Electronics / IRC 功能描述:AS34321FLF |
| AS34321HLF | 制造商:TT Electronics / IRC 功能描述:AS34321HLF |
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