L4940P85 datasheet(9/23 Pages) STMICROELECTRONICS

부품명	L4940P85

상세설명	Very low drop 1.5 A regulator

PDF	23 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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L4940xx

Electrical characteristics

9/23

Table 6.

Electrical characteristics of L4940xx10 (Refer to test circuit, VI = 12V, CI = 0.1 µF,

CO = 22 µF, TJ = 25°C, unless otherwise specified.)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

IO = 500 mA

9.8

10.2

Output voltage

IO = 5 mA to 1.5 A, VI = 11.7 to 15 V

9.6

10.4

Input voltage

IO = 5 mA

ΔVO

Line regulation

VI = 11 to 17 V, IO = 5 mA

ΔVO

Load regulation

IO = 5 mA to 1.5 A

IO = 0.5 A to 1 A

Quiescent current

IO = 5 mA

IO = 1.5 A, VI = 11.7 V

ΔIq

Quiescent current change

IO = 5 mA

IO = 1.5 A, VI = 11.7 to 16 V

ΔVO/ΔT Output voltage drift

mV/°C

SVR

Supply voltage rejection

f = 120 Hz, IO = 1 A

Dropout voltage

IO = 0.5 A

200

400

IO = 1.5 A

500

900

Isc

Short circuit current

VI = 14 V

2.7

VI = 11.7 V

2.2

2.9

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