LM317J3 datasheet(5/12 Pages) CYSTEKEC

Part #	LM317J3

Description	Three Terminal 1.5A Adjustable

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Manufacturer	CYSTEKEC [Cystech Electonics Corp.]

Direct Link	http://www.cystekec.com

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5 / 12 page

CYStech Electronics Corp.

Spec. No. : C513J3

Issued Date : 2007.12.19

Revised Date : 2010.07.22

Page No. : 5/12

LM317J3

CYStek Product Specification

Fig 2. Load Regulation and ∆IAdj/Load test circuit

Fig 3. Standard Test Circuit

To calculate R2: Vout=ISETR2+1.250V

Assume ISET=5.25mA

＊

Pulse testing required.

1% Duty Cycle is suggested.

Vo(min load)-Vo(max load)

Load Regulation(mV)=Vo(min load)-Vo(max load)

Load Regulation(%Vo)=

×

100

Vo(min load)

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