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参数资料
| 型号： | AS3431AN |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.503 V, PBCY3 |
| 封装： | TO-92, 3 PIN |
| 文件页数： | 1/4页 |
| 文件大小： | 95K |
| 代理商： | AS3431AN |
Rev. 10/11/00
AS3431
Micropower SOT-23, 2.5V Precision
Adjustable Shunt Regulator
FEATURES
APPLICATIONS
Voltage Tolerance ..................................0.5% & 1.0%
Battery Operating Equipment
Wide Operating Current ................... 1ma To 100mA
Adjustable Supplies
Extended Temperature Range .......................... 105
°°°°C
Switching Power Supplies
Low Temperature Coefficient ........................30 ppm/
°C
Error Amplifiers
Offered in SOT-23, TO-92 & SOT 89
Single Supply Amplifier
Low Output Noise
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
Output Accuracy
AS3431AN
AS3431AM
AS3431AM1
0
°C to 105°C
0.5%
AS3431N
AS3431M
AS3431M1
0
°C to 105°C
1%
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”
SOT-89
Marking &
pinout for all
devices
SOT-23
Marking & pinout for
the 0.5% device
SOT-23
Marking & pinout for
the 1% device
Top View
REF
CATHODE
ANODE
Top View
REF
CATHODE
ANODE
Top View
3431
1
CATHODE
2
ANODE
3
REF
Top View
13
2
CATHODE
ANODE
TO-92 (N)
3431
3432
PIN CONNECTIONS
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PDF描述 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AS3431M | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| AS3431M1 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Positive Adjustable Voltage Regulator |
| AS3431MI | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| AS3431N | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Analog IC |
| AS34320FLF | 制造商:TT Electronics / IRC 功能描述:AS34320FLF |
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