LM317L datasheet(7/18 Pages) STMICROELECTRONICS

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LM217L/LM317L

Electrical characteristics

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Table 3.

Electrical characteristics of LM317L (refer to the test circuits, TJ = 0 to 125°C,

VI - VO = 5 V, IO = 40 mA, unless otherwise specified)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

ΔVO

Line regulation

VI - VO = 3 to 40 V

IL < 20 mA

TJ = 25°C

0.01

0.04

%/V

0.02

0.07

ΔVO

Load regulation

VO ≤5 V

IO = 5 to 100 mA

TJ = 25°C

VO ≥ 5 V

IO = 5 to 100 mA

TJ = 25°C

0.1

0.5

0.3

1.5

IADJ

Adjustment pin current

100

µA

ΔIADJ Adjustment pin current

VI - VO = 3 to 40 V, IO = 5 to 100 mA

Pd < 625 mW

0.2

µA

VREF

Reference voltage

VI - VO = 3 to 40 V, IO = 5 to 100 mA

Pd < 625 mW

1.2

1.25

1.3

ΔVO/VO

Output voltage

temperature stability

0.7

IO(min)

Minimum load current

VI - VO = 40 V

3.5

IO(max) Maximum output current

VI - VO = 3 to 13 V

100

200

VI - VO = 40 V

Output noise voltage

B = 10 Hz to 10 KHz, TJ = 25°C

0.003

SVR

Supply voltage rejection (1)

TJ = 25°C

f = 120 Hz

CADJ = 0

CADJ = 10 µF

CADJ is connected between adjust pin and ground.

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