SPX3431M1

更新时间： 2024-11-28 22:12:51

品牌	Logo	应用领域
西伯斯 - SIPEX		稳压器输出元件
页数	文件大小	规格书
5页	142K
描述
Micropower 2.5V Precision Adjustable Shunt Regulator

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SPX3431M1 数据手册

SPX3431

Micropower 2.5V Precision

Adjustable Shunt Regulator

FEATURES

APPLICATIONS

•

Voltage Tolerance ..................................0.5% & 1.0%

•

Battery Operating Equipment

Adjustable Supplies

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

Switching Power Supplies

Error Amplifiers

Single Supply Amplifier

Monitors / VCR / TV

Personal Computers

Low Output Noise

PRODUCT DESCRIPTION

The SPX3431 is a 3-terminal Adjustable Shunt Voltage Regulator providing a highly accurate 0.5% bandgap reference. SPX3431 acts

as an open-loop error amplifier with a 2.5V temperature compensation reference. The SPX3431 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. SPX3431 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 SPX3431 is a direct replacement for the SPX431 and TL431 in low voltage, low current applications. SPX3431 is also available

in SOT-89 and TO-92.

PIN CONNECTIONS

SOT-23

Marking & pinout for

the 0.5% device

ANODE

SOT-23

Marking & pinout for

the 1% device

ANODE

SOT-89

Marking &

pinout for all

devices

TO-92 (N)

SPX3431

SPX3432

CATHODE

REF

CATHODE

REF

ANODE

CATHODE

REF

CATHODE

REF

ANODE

Top View

Rev. 10/25/00

12 3 4 5

中文翻译

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