TL431CLPB

更新时间： 2024-02-23 15:40:47

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德州仪器 - TI		稳压器
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TL431CLPB 数据手册

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

REF

ANODE

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

REF

The TL431 and TL431A are three-terminal

adjustable shunt regulators with specified thermal

stability over applicable automotive, commercial,

and military temperature ranges. The output

ANODE

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

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.

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.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...19

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