SPX431A

更新时间： 2024-09-23 04:03:07

品牌	Logo	应用领域
西伯斯 - SIPEX		稳压器
页数	文件大小	规格书
12页	109K
描述
Precision Adjustable Shunt Regulator

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SPX431A 数据手册

SPX431A,B,C

Precision Adjustable Shunt Regulator

FEATURES

APPLICATIONS

■ Trimmed Bandgap to 0.5%, 1% and 2%

■ Wide Operating Current 1mA to 150mA

■ Battery Operating Equipment

■ Adjustable Supplies

■ Extended Temperature Range:

0°C to 105°C

■ Low Temperature Coefficient 30 ppm/°C

■ Switching Power Supplies

■ Error Amplifiers

■ Single Supply Amplifier

■ Monitors / VCRs / TVs

■ Personal Computers

■ Offered in TO-92, SOIC, SOT-89,

SOT-23-5

■ Improved Replacement in Performance for

Now Available in Lead Free Packaging

TL431

■ Low Cost Solution

Refer to page 3 for pinouts.

DESCRIPTION

The SPX431 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate

bandgap reference. The SPX431 acts as an open-loop error amplifier with a 2.5V temperature

compensation reference. The SPX431's thermal stability, wide operating current (150mA) and

temperature range (0°C to 105°C) makes it suitable for a variety of applications that require a low

cost, high performance solution. SPX431A tolerance of 0.5% 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 manufacturer's assembly line and contribute a significant cost savings.

The output voltage may be adjusted to any value between V and 36 volts with two external

resistors. The SPX431 is available in TO-92, SOIC-8, SOT-8^R9^E,^Fand SOT-23-5 packages.

TYPICAL APPLICATIONS CIRCUIT

Cathode (K)

Reference

(R)

2.5V

Anode (A)

Date: 1/19/05

SPX431A,B,C Precision Adjustable Shunt Regulator

12 3 4 5 6 7...12

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