LF120CDT-TR 查看數據表（PDF） - STMicroelectronics

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LF120CDT-TR

Very low drop voltage regulator with inhibit function

STMicroelectronics 

LFXX

Electrical characteristics

Refer to test circuits, Ta = -40 to 125 °C, CI = 0.1 µF, CO = 2.2 µF unless otherwise

specified.

Table 8: LF25AB (automotive grade) electrical characteristics

Symbol

Parameter

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 = 4.5 V

Ta = 25 °C

IO = 50 mA

VI = 4.5 V

IO = 500 mA

Ta = 25 °C

VI = 3.5 to 16 V

IO = 5 mA

VI = 3.8 V

IO = 5 to 500 mA

VI = 3.5 to 16 V

IO = 0 mA

VI = 3.8 to 16 V

IO = 500 mA

VI = 6 V

IO = 5 mA

VI = 4.5 ± 1 V

Ta = 25 °C

ON mode

OFF mode

f = 120 Hz

f = 1 kHz

f = 10 kHz

2.475

2.435

2.5 2.525

V

2.565

16

V

1

A

2

15

mV

2

15

mV

0.5

2

mA

12

50

120

µA

82

77

dB

65

eN Output noise voltage

Vd Dropout voltage

VIL Control input logic low

VIH Control input logic high

II

Control input current

CO

Output bypass

capacitance

B = 10 Hz to 100 kHz

Ta = 25 °C

IO = 200 mA

IO = 500 mA

VI = 6 V

VC = 6 V

Ta = 25 °C

ESR = 0.1 to 10 Ω

IO = 0 to 500 mA

50

µV

0.2

1.3

V

0.4

1.3

0.8

V

2

V

10

µA

2

10

µF

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