L4940D2T5 데이터 시트보기 (PDF) - STMicroelectronics

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L4940D2T5

Very low drop 1.5 A regulator

STMicroelectronics 

Electrical characteristics

L4940xx

Table 7.

Symbol

Electrical characteristics of L4940xx12 (Refer to test circuit, VI = 14 V, CI = 0.1 µF,

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

Parameter

Test conditions

Min. Typ. Max. Unit

VO

VO

VI

ΔVO

ΔVO

Iq

ΔIq

ΔVO/ΔT

SVR

Vd

Isc

ZO

Output voltage

Output voltage

Input voltage

Line regulation

Load regulation

Quiescent current

Quiescent current change

Output voltage drift

Supply voltage rejection

Dropout voltage

Short circuit current

Output impedance

IO = 500 mA

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

IO = 5 mA

VI = 11 to 17 V, IO = 5 mA

IO = 5 mA to 1.5 A

IO = 0.5 A to 1 A

IO = 5 mA

IO = 1.5 A, VI = 11.7 V

IO = 5 mA

IO = 1.5 A, VI = 11.7 to 16 V

f = 120 Hz, IO = 1 A

IO = 0.5 A

IO = 1.5 A

VI = 14 V

f = 120 Hz, IO = 0.5 A

11.75 12 12.25 V

11.5 12 12.5 V

17

V

3

7

mV

15

35

mV

10

25

mV

4

8

mA

30

50

mA

1.5 mA

10 mA

1.2

mV/°C

55

61

dB

200 400 mV

500 900 mV

2

2.7

A

40

mΩ

10/23

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