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參數(shù)資料
| 型號： | LX6431CDMT |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 155K |
| 代理商： | LX6431CDMT |
P RECISION P ROGRAMMABLE R EFERENCE S
P RODUCTION D AT A S HEET
T HE
I NFINITE
P OWER
OF
I NNOV A TION
LX6431/LX6431A/LX6431B
DESCRIPTION
KEY FEA TURES
s Unconditionally Stable For All Cathode To
Anode Capacitance Values
s Reduced Reference Input Current Allowing
The Use Of Higher Value Divider Resistors
(0.5A Max.)
s Initial Voltage Reference Accuracy Of 0.4%
(LX6431B)
s Sink Current Capability 0.6mA to 100mA
s Typical Output Dynamic Impedance Less
Than 100m
s Adjustable Output Voltage From 2.5V to
36V
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 100m
. The reduced
reference input bias current and minimum
operating currents make these devices
suitable for portable and micropower
applications.
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,
PRODUCT HIGHLIGHT
O UTPUT V O L TAGE E RROR DUE TO I
REF
LX6431
R1
R2
GND
V
KA
V
IN
T YPICAL P ROGRAMMABLE V O LTAGE
R EFERENCE C IRCUIT
15
2.5
3.75
5
6.25
7.5
8.75
10
11.25
12.5
13.75
0
2
4
6
8
10
12
14
16
18
20
%
Err
or
(V ) Output Voltage - (V)
KA
PACKAGE ORDER INFORMA TION
T
A (°C)
Initial
Tolerance
Plastic SOIC
8-pin
DM
Plastic TO-92
3-pin
LP
2%
LX6431CDM
LX6431CLP
0 to 70
1%
LX6431ACDM
LX6431ACLP
0.4%
LX6431BCDM
LX6431BCLP
2%
LX6431IDM
LX6431ILP
-40 to 85
1%
LX6431AIDM
LX6431AILP
0.4%
LX6431BIDM
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.
NOTE: For current data & package dimensions, visit our web site: http://www.linfinity.com.
Copyright 1999
Rev. 1.4
6/99
1
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841, 714-898-8121, FAX: 714-893-2570
L IN F INITY M ICROELECTRONICS I NC .
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX6431CLP | 功能描述:IC VREF SHUNT PREC ADJ TO-92-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 基準(zhǔn)類型:旁路，精度 輸出電壓:5V 容差:±0.5% 溫度系數(shù):100ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:80µA 電流 - 靜態(tài):- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:TO-236-3，SC-59，SOT-23-3 供應(yīng)商設(shè)備封裝:SOT-23-3 包裝:帶卷 (TR) 其它名稱:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
| LX6431CPK | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Adjustable Voltage Regulator |
| LX6431IDM | 功能描述:IC VREF SHUNT PREC ADJ 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 基準(zhǔn)類型:旁路，精度 輸出電壓:5V 容差:±0.5% 溫度系數(shù):100ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:80µA 電流 - 靜態(tài):- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:TO-236-3，SC-59，SOT-23-3 供應(yīng)商設(shè)備封裝:SOT-23-3 包裝:帶卷 (TR) 其它名稱:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
| LX6431IDMT | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:Positive Adjustable Voltage Regulator |
| LX6431ILP | 功能描述:IC VREF SHUNT PREC ADJ TO-92-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 基準(zhǔn)類型:旁路，精度 輸出電壓:5V 容差:±0.5% 溫度系數(shù):100ppm/°C 輸入電壓:- 通道數(shù):1 電流 - 陰極:80µA 電流 - 靜態(tài):- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:TO-236-3，SC-59，SOT-23-3 供應(yīng)商設(shè)備封裝:SOT-23-3 包裝:帶卷 (TR) 其它名稱:LM4040CIM3-5.0MLTRLM4040CIM3-5.0MLTR-ND |
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