LX6431A

更新时间： 2024-11-10 22:30:55

品牌	Logo	应用领域
美高森美 - MICROSEMI		/
页数	文件大小	规格书
11页	156K
描述
PRECISION PROGRAMMABLE REFERENCES

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中文翻译

获取价格

数据手册

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LX6431A 数据手册

LX6431/ LX6431A/ LX6431B

RECISION

ROGRAMMABLE

EFERENCES

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

D E S C R I P T I O N

K E Y F E A T U R E S

■ Unconditionally Stable For All Cathode To

The LX6431 series precision adjustable

three terminal shunt voltage regulators are

pin-to-pin compatible with the industry

standard TL431, but with significant

improvements. The LX6431 design has

eliminated regions of instability common

to older generation shunt regulator

products like the TL431. Designs are

made simpler by eliminating the task of

insuring capacitive loads, and output

voltage and cathode currents don't

combine for unstable operation. The

capacitor value is chosen simply to give

the best load transient response without

the possibility of instability. A lower

reference input current allows the use of

higher value reference divider resistors,

reducing the current drain from batteries

in portable equipment as well as reducing

the voltage programming errors due to

the impedance of the divider network

(See Product Highlight figure below). In

addition, the LX6431B has an improved

initial accuracy of 0.4%, and the output

voltage is programmable by using two

external resistors from 2.5V to 36V.

These devices offer low output

impedance for improved load regulation.

The typical output impedance of these

devices is 100mΩ. The reduced

reference input bias current and minimum

operating currents make these devices

suitable for portable and micropower

applications.

Anode Capacitance Values

■ Reduced Reference Input Current Allowing

The Use Of Higher Value Divider Resistors

(0.5µA Max.)

■ Initial Voltage Reference Accuracy Of 0.4%

(LX6431B)

■ Sink Current Capability 0.6mA to 100mA

■ Typical Output Dynamic Impedance Less

Than 100mΩ

■ Adjustable Output Voltage From 2.5V to

36V

NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.

P R O D U C T H I G H L I G H T

O U TP U T VO LTA G E ERRO R D U E TO I_REF

TYP IC A L PRO G RA M M A BLE VO LTA G E

R EFEREN C E CIRC U IT

V_KA

LX6431

GND

2.5

3.75

6.25

7.5

8.75

11.25

12.5

13.75

(V_KA) Output Voltage - (V)

P A C K A G E O R D E R I N F O R M A T I O N

Plastic SOIC

8-pin

Plastic TO-92

Initial

T (°C)

Tolerance

3-pin

LX6431CLP

LX6431CDM

LX6431ACDM

LX6431BCDM

LX6431IDM

0 to 70

LX6431ACLP

LX6431BCLP

LX6431ILP

0.4%

-40 to 85

0.4%

LX6431AIDM

LX6431BIDM

LX6431AILP

LX6431BILP

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

Append the letter "T" to part number. (i.e. LX5212CDPT)

TO-92 (LP) package also available in ammo-pack.

L I N F I N I T Y M I C R O E L E C T R O N I C S I N C .

11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570

Rev. 1.4 6/ 99

12 3 4 5 6 7...11

中文翻译

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与LX6431A相关器件

型号	品牌	获取价格	描述	数据表
LX6431ACDM	MICROSEMI	获取价格	PRECISION PROGRAMMABLE REFERENCES
LX6431ACDMT	MICROSEMI	获取价格	Positive Adjustable Voltage Regulator
LX6431ACDM-TR	MICROSEMI	获取价格	暂无描述
LX6431ACLP	MICROSEMI	获取价格	PRECISION PROGRAMMABLE REFERENCES
LX6431ACLP-TR	MICROSEMI	获取价格	Two Terminal Voltage Reference, 1 Output, 2.5V, BIPolar, PBCY3, ROHS COMPLIANT, PLASTIC, T
LX6431ACPK	MICROSEMI	获取价格	PRECISION PROGRAMMABLE REFERENCES
LX6431ACPKT	MICROSEMI	获取价格	Two Terminal Voltage Reference, 1 Output, Trim/Adjustable, PSSO3, PLASTIC, SOT-89, 3 PIN
LX6431ACPK-TR	MICROSEMI	获取价格	Two Terminal Voltage Reference, 1 Output, 2.5V, BIPolar, PSSO3, ROHS COMPLIANT, PLASTIC, T
LX6431AIDM	MICROSEMI	获取价格	PRECISION PROGRAMMABLE REFERENCES
LX6431AIDMT	MICROSEMI	获取价格	Positive Adjustable Voltage Regulator

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