LF18CPT-TR 查看數據表（PDF） - STMicroelectronics

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LF18CPT-TR

Very low drop voltage regulator with inhibit function

STMicroelectronics 

Electrical characteristics

LFXX

Refer to test circuits, TJ = 25 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise specified.

Symbol

Parameter

Table 17: LF50C electrical characteristics

Test condition

Min.

Typ.

Max. Unit

VO Output voltage

VI

Operating input voltage

IO

Output current limit

∆VO Line regulation

∆VO Load regulation

Id

Quiescent current

SVR Supply voltage rejection

IO = 50 mA

VI = 7 V

IO = 50 mA

VI = 7 V

Ta = -25 to 85 °C

IO = 500 mA

VI = 6 to 16 V

IO = 5 mA

VI = 6.3 V

IO = 5 to 500 mA

VI = 6 to 16 V

IO = 0 mA

VI = 6.3 to 16 V

IO = 500 mA

VI = 6 V

IO = 5 mA

VI = 7 ± 1 V

ON mode

OFF mode

f = 120 Hz

f = 1 kHz

f = 10 kHz

4.9

5

5.1

V

4.8

5.2

16

V

1

A

5

25 mV

5

25 mV

0.5

1

mA

12

50

100 µA

76

71

dB

60

eN Output noise voltage

B = 10 Hz to 100 kHz

50

µV

Vd Dropout voltage

VIL Control input logic low

VIH Control input logic high

II

Control input current

CO

Output bypass

capacitance

IO = 200 mA

IO = 500 mA

Ta = -40 to 125 °C

Ta = -40 to 125 °C

VI = 6 V

VC = 6 V

ESR = 0.1 to 10 Ω

IO = 0 to 500 mA

0.2 0.35

V

0.4

0.7

0.8

V

2

V

10

µA

2

10

µF

20/53

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