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TL431A

更新时间： 2024-11-17 22:19:35
品牌 Logo 应用领域
德州仪器 - TI 稳压器
页数 文件大小 规格书
19页 279K
描述
ADJUSTABLE PRECISION SHUNT REGULATORS

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TL431A 数据手册

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TL431, TL431A  
ADJUSTABLE PRECISION SHUNT REGULATORS  
SLVS005J – JULY 1978 – REVISED JULY 1999  
D PACKAGE  
(TOP VIEW)  
Equivalent Full-Range Temperature  
Coefficient . . . 30 ppm/°C  
0.2-Ω Typical Output Impedance  
Sink-Current Capability . . . 1 mA to 100 mA  
Low Output Noise  
CATHODE  
ANODE  
ANODE  
NC  
REF  
1
2
3
4
8
7
6
5
ANODE  
ANODE  
NC  
Adjustable Output Voltage . . . V to 36 V  
ref  
Available in a Wide Range of High-Density  
Packages  
P OR PW PACKAGE  
(TOP VIEW)  
description  
CATHODE  
NC  
REF  
NC  
1
2
3
4
8
7
6
5
The TL431 and TL431A are three-terminal  
adjustable shunt regulators with specified thermal  
stability over applicable automotive, commercial,  
and military temperature ranges. The output  
NC  
ANODE  
NC  
NC  
voltage can be set to any value between V  
ref  
NC – No internal connection  
(approximately 2.5 V) and 36 V with two external  
resistors (see Figure 17). These devices have a  
typical output impedance of 0.2 Ω. Active output  
PK PACKAGE  
(TOP VIEW)  
circuitry provides  
a
very sharp turn-on  
characteristic, making these devices excellent  
replacements for Zener diodes in many  
applications, such as onboard regulation,  
adjustable power supplies, and switching power  
supplies.  
REF ANODE CATHODE  
The TL431C and TL431AC are characterized for  
operation from 0°C to 70°C, and the TL431I and  
TL431AI are characterized for operation from  
–40°C to 85°C.  
LP PACKAGE  
(TOP VIEW)  
CATHODE  
ANODE  
REF  
KTP PACKAGE  
(TOP VIEW)  
CATHODE  
ANODE  
REF  
ANODE  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1999, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...19

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TL431A 替代型号

型号 品牌 替代类型 描述 数据表
TL431A-Q1 TI

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 ADJUSTABLE PRECISION SHUNT REGULATOR
TL431B TI

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TLVH431 TI

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 LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR

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