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V1.0

29/07/24

Positive Voltage Regulator

Adjustable 3 Terminal

Newark.com/multicomp-pro

Farnell.com/multicomp-pro

sg.element14.com/b/multicomp-pro

Important Notice : This data sheet and its contents (the “Information”) belong to the members of the AVNET group of companies (the “Group”) or are licensed to it. No licence is granted for

the use of it other than for information purposes in connection with the products to which it relates. No licence of any intellectual property rights is granted. The Information is subject to change

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any error in or omission from it or for any use made of it. Users of this data sheet should check for themselves the Information and the suitability of the products for their purpose and not make

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negligence. Multicomp Pro is the registered trademark of Premier Farnell Limited 2019.

Part Number Table

Description

Part Number

Positive Voltage Regulator, 1.2 V to 37V, 1.5A, TO-220

LM317AT

Dimensions : Millimetres

Typical Application

Parameter Name

Symbol

Test Conditions

Min

Typ

Max

Unit

Maximum Output Current

IO(max)

VI-Vo≤15V, PD≤PMAX

1

2.2

A

VI-Vo≤40V, PD≤PMAX Ta=25°C

0.3

RMS Noise,% of VOUT

eN

Ta=25°C,10Hz≤f≤10kHz

0.003

0.01

%/Vo

Ripple Rejection

RR

Vo=10V, f =120Hz without CADJ

60

dB

Vo=10V, f =120Hz ,CADJ=10uF

66

75

Long-Term Stability,TJ=THIGH

ST

Ta=25°C for end point

mesasurements,1000HR

0.3

1

%

Internal Block Diagram