LM431ACMX 데이터 시트보기 (PDF) - Fairchild Semiconductor

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LM431ACMX

Programmable Shunt Regulator

Fairchild Semiconductor 

Block Diagram

REFERENCE

+

-

2.5 Ref

CATHODE

REFERENCE (R)

ANODE

CATHODE (K)

ANODE (A)

Figure 1. Block Diagram

Absolute Maximum Ratings

Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be opera-

ble above the recommended operating conditions and stressing the parts to these levels is not recommended. In addi-

tion, extended exposure to stresses above the recommended operating conditions may affect device reliability. The

absolute maximum ratings are stress ratings only. Values are at TA = 25°C unless otherwise noted.

Symbol

Parameter

Value

Unit

VKA

Cathode Voltage

IKA

Cathode Current Range (Continuous)

IREF

Reference Input Current Range

PD

Power Dissipation

TO-92, 8-SOIC Packages

37

V

-100 ~ +150

mA

-0.05 ~ +10

mA

770

mW

RθjA

TOPR

TJ

TSTG

Thermal Resistance, Junction to Ambient

TO-92, 8-SOIC Packages

Operating Temperature Range LM431xC

Operating Temperature Range LM431xI

Junction Temperature

Storage Temperature Range

160

-25 ~ +85

-40 ~ +85

150

-65 ~ +150

°C/W

°C

°C

°C

°C

Recommended Operating Conditions

The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended

operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not

recommend exceeding them or designing to Absolute Maximum Ratings.

Symbol Parameter

Min.

Max.

Unit

VKA

Cathode Voltage

IKA

Cathode Current

VRef

36

V

1.0

100

mA

© 2003 Fairchild Semiconductor Corporation

LM431A / LM431B / LM431C Rev. 1.2.0

2

www.fairchildsemi.com

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