UC39431

更新时间： 2024-09-10 22:39:59

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
7页	140K
描述
Precision Adjustable Shunt Regulator

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UC39431 数据手册

UC19431

UC29431

UC39431

UC39431B

Precision Adjustable Shunt Regulator

FEATURES

DESCRIPTION

• Multiple On-Chip Programmable

Reference Voltages

The UC39431 is an adjustable shunt voltage regulator with 100mA sink ca-

pability. The architecture, comprised of an error amplifier and

transconductance amplifier, gives the user separate control of the small

signal error voltage frequency response along with a fixed linear

transconductance. A minimum 3MHz gain bandwidth product for both the

error and transconductance amplifiers assures fast response. In addition to

external programming, the IC has three internal resistors that can be con-

nected in six different configurations to provide regulated voltages of 2.82V,

3.12V, 5.1V, 7.8V, 10.42V, and 12.24V. A sister device (UC39432) provides

access to the non-inverting error ampilifer input and reference, while elimi-

nating the three internal resistors.

• 0.4% Initial Accuracy

• 0.7% Overall Reference Tolerance

• 2.2V to 36.0V Operating Supply

Voltage and User Programmable

Reference

• 36.0V Operating Supply Voltage

• Reference Accuracy Maintained For

Entire Range of Supply Voltage

• Superior Accuracy and Easier

Compensation for Optoisolator

Application

• Improved Architecture Provides a

Known Linear Transconductance with

a +5% Typical Tolerance

BLOCK DIAGRAM

UDG-95087

04/99

12 3 4 5 6 7

中文翻译

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UC39431 替代型号

型号	品牌	替代类型	描述	数据表
UC29431	TI	功能相似	Precision Adjustable Shunt Regulator

与UC39431相关器件

型号	品牌	获取价格	描述	数据表
UC39431B	TI	获取价格	Precision Adjustable Shunt Regulator
UC39431BD	TI	获取价格	VOLT REGULATOR\|ADJUSTABLE\|+10.42V\|BIPOLAR\|SOP\|8PIN\|PLASTIC
UC39431BJ	TI	获取价格	1-OUTPUT THREE TERM VOLTAGE REFERENCE, CDIP8
UC39431BN	TI	获取价格	VOLT REGULATOR\|ADJUSTABLE\|+10.42V\|BIPOLAR\|DIP\|8PIN\|PLASTIC
UC39431D	TI	获取价格	VOLT REGULATOR\|ADJUSTABLE\|+10.42V\|BIPOLAR\|SOP\|8PIN\|PLASTIC
UC39431DG4	TI	获取价格	1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5V, PDSO8, 0.150 INCH, PLASTIC, SOIC-8
UC39431DTR	ETC	获取价格	Industrial Control IC
UC39431J	TI	获取价格	1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5V, CDIP8, CERAMIC, DIP-8
UC39431N	TI	获取价格	VOLT REGULATOR\|ADJUSTABLE\|+10.42V\|BIPOLAR\|DIP\|8PIN\|PLASTIC
UC39431NG4	TI	获取价格	Precision Adjustable Shunt Regulator