LF15CDT-TR 데이터 시트보기 (PDF) - STMicroelectronics

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LF15CDT-TR

Very low drop voltage regulators with inhibit

STMicroelectronics 

LF00 series

Electrical characteristics

Table 7.

Electrical characteristics for LF25AB (refer to the test circuits, TJ = 25°C, CI = 0.1 µF, CO

= 2.2 µF unless otherwise specified.)

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

VO Output voltage

VI Operating input voltage

IO Output current limit

∆VO Line regulation

∆VO Load regulation

Id Quiescent current

IO = 50 mA, VI = 4.5 V

2.475 2.5 2.525

V

IO = 50 mA, VI = 4.5 V, Ta = -25 to 85°C 2.450

2.550

IO = 500 mA

16

V

1

A

VI = 3.5 to 16 V, IO = 5 mA

VI = 3.8 V, IO = 5 to 500 mA

VI = 3.5 to 16V, IO = 0mA ON MODE

VI = 3.8 to 16V, IO=500mA

VI = 6 V

OFF MODE

f = 120 Hz

2

12 mV

2

12 mV

0.5

1

mA

12

50 100 µA

82

SVR Supply voltage rejection IO = 5 mA, VI = 4.5 ± 1 V f = 1 KHz

77

dB

f = 10 KHz

65

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

9/46

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