LX1431CM-TR

更新时间： 2024-11-19 13:09:51

品牌	Logo	应用领域
美高森美 - MICROSEMI		/
页数	文件大小	规格书
7页	165K
描述
Two Terminal Voltage Reference

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中文翻译

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技术参数
数据手册

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LX1431CM-TR 技术参数

生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	unknown	风险等级：	5.77
模拟集成电路 - 其他类型：	TWO TERMINAL VOLTAGE REFERENCE	Base Number Matches：	1

LX1431CM-TR 数据手册

LIN DOC #: 1431

LX1431

R O G R A M M A B L E

E F E R E N C E

T H E I N F I N I T E P O W E R O F I N N O V A T I O N

P R O D U C T I O N D A T A S H E E T

DESCRIPTION

KEY FEATURES

p GUARANTEED 0.4% INITIAL VOLTAGE

The LX1431 is an adjustable shunt voltage

regulator featuring 100mA sink capability, a

0.4% initial reference voltage tolerance and

a 0.3% typical temperature stability. This

product, which is ideal for use in Pentium^®

applications, is equipped with on-chip di-

vider resistors, enabling it to be configured

as a 5V shunt regulator. In this configura-

tion, the LX1431 has an initial voltage toler-

ance of only 1% and requires no additional

external components. The Linfinity

LX1431EB evaluation board and design kit

is available to assist engineers in quickly

configuring the most efficient, cost-effective

Pentium designs.

design of both adjustable and switching

power supplies. In addition, the nominal

internal current limit of 100mA may be de-

creased with the addition of a single exter-

nal resistor.

TOLERANCE

p 0.1Ω TYPICAL DYNAMIC OUTPUT

IMPEDANCE

p FAST TURN-ON

p SINK CURRENT CAPABILITY, 1mA TO 100mA

p LOW REFERENCE PIN CURRENT

For applications requiring an adjustable

reference, the Linfinity LX6431CLP, a simpli-

fied three-pin programmable reference, may

be used. Because the LX6431 is pin-for-pin

compatible with Linfinity's earlier TL431, use

of this product provides designers a simple

migration path to the more robust LX6431.

A separate LX6431 data sheet is available

which details the specifics of this product.

In addition, Pentium designers may use

Linfinity's LX8585/8585A 4.6A or LX8584/

8584A 7A Low Dropout Regulators to achieve

the most optimum motherboard configura-

tion.

APPLICATIONS

■ LINEAR REGULATORS

■ ADJUSTABLE POWER SUPPLIES

■ SWITCHING POWER SUPPLIES

■ LX1431EB EVALUATION BOARD FOR

PENTIUM APPLICATIONS AVAILABLE.

CONSULT FACTORY.

The output voltage of the LX1431 may be

set to any value between 2.5V and 36V

through the addition of two external resis-

tors, which is of particular importance in the

PRODUCT HIGHLIGHT

THE LX8584A AND LX1431 IN 75 AND 166MHZ P54C PROCESSOR APPLICATIONS USING 3.3V CACHE

V_O7A

(See Table Below)

PLACE IN µP SOCKET CAVITY

V_IN

V_OUT

LX8584A

330µF, 6.3V

1kW

Low ESR

Oscon Type

from Sanyo

ADJ

0.01µF

1kW

100µF x 6

10V

AVX TYPE

TPS

250pF

COL

0.1%

µP

Load

V⁺

220µF

10V

REF

Low ESR

from

Sanyo

2.84kW

0.1%

21k

LX1431

1µF x 10

SMD

0.1µF

50V

JP1

SGND FGND

V_O

JP1

TYPICAL APPLICATION

120/166MHz, VRE, 3.3V Cache

75/90/100/133MHz, STND, 3.3V Cache

Thick traces represent high current traces which

must be low resistance / low inductance traces in

order to achieve good transient response.

3.50

3.38

Short

Open

PACKAGE ORDER INFORMATION

Plastic DIP

8-pin

Plastic SOIC

8-pin

T_A(°C)

0 to 70

LX1431CM

LX1431IM

LX1431CDM

LX1431IDM

-40 to 85

Note: All surface mount packages are available in Tape & Reel.

Append the letter "T" to part number (i.e. LX1431CDMT).

F O R F U R T H E R I N F O R M AT I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1

Rev. 1.2 4/97

11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841

12 3 4 5 6 7

中文翻译

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与LX1431CM-TR相关器件

型号	品牌	获取价格	描述	数据表
LX1431IDM	MICROSEMI	获取价格	PROGRAMMABLE REFERENCE
LX1431IDM-TR	MICROSEMI	获取价格	Two Terminal Voltage Reference, 1 Output, 2.5V, Trim/Adjustable, PDSO8, LEAD FREE, PLASTIC
LX1431IM	MICROSEMI	获取价格	PROGRAMMABLE REFERENCE
LX1431IM-TR	MICROSEMI	获取价格	Two Terminal Voltage Reference
LX144		获取价格	Semi-recessed wall mount
LX150PC		获取价格	Post top mount
LX150PH		获取价格	Post top mount
LX1552	MICROSEMI	获取价格	ULTRA-LOW START-UP CURRENT, CURRENT-MODE PWM
LX1552CDMT	MICROSEMI	获取价格	Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8, PLASTIC
LX1552CDM-TR	MICROSEMI	获取价格	Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, PDSO8, ROHS COMPLIANT,

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