Datasheet > LM317L3

LM317L3

更新时间： 2024-11-18 04:59:47

品牌	Logo	应用领域
赛普拉斯 - CYPRESS		稳压器
页数	文件大小	规格书
9页	213K
描述
Three Terminal Adjustable Output Positive Voltage Regulators

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数据手册

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LM317L3 数据手册

Spec. No. : C513L3

Issued Date : 2003.04.09

Revised Date :2005.05.03

Page No. : 1/9

CYStech Electronics Corp.

Three Terminal Adjustable Output

Positive Voltage Regulators

LM317L3

The LM317L3 is an adjustable 3–terminal positive voltage regulator capable of supplying in excess of

1.5A over an output voltage range of 1.2 V to 37 V. This voltage regulator is exceptionally easy to use and

requires only two external resistors to set the output voltage. Further, it employs internal current limiting,

thermal shutdown and safe area compensation, making it essentially blow–out proof.

The LM317L3 serves a wide variety of applications including local, on-card regulation. This device can

also be used to make a programmable output regulator, or by connecting a fixed resistor between the

adjustment and output, the LM317L3 can be used as a precision current regulator.

● Output Current in Excess of 1.5 A

● Output Adjustable between 1.2 V and 37 V

● Internal Thermal Overload Protection

● Internal Short Circuit Current Limiting Constant with Temperature

● Output Transistor Safe–Area Compensation

● Floating Operation for High Voltage Applications

● Eliminates Stocking many Fixed Voltages

Standard Application

＊Cin is required if regulator is located an appreciate

distance from power supply filter.

＊＊Cout is not needed for stability, however, it does

Vin

Vout

LM317

PL317

improve transient response.

I^Adj

Vout=1.25(1+R2/R1)+IAdjR2

Cin

0.1µF

⁺Cout

1.0µF

^SinceIAdj is controlled to less than 100 µA, the

error associated with this term is negligible in

most applications.

Package Information

Function

ADJ

OUTPUT

INPUT

SOT-223

LM317L3

CYStek Product Specification

12 3 4 5 6 7...9

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