LF40CDT datasheet(32/46 Pages) STMICROELECTRONICS

Il numero della parte	LF40CDT

Spiegazioni elettronici	Very low drop voltage regulators with inhibit

PDF	46 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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Electrical characteristics

LF00 series

32/46

Table 30.

Electrical characteristics for LF120C (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

Output voltage

IO = 50 mA, VI = 14 V

11.76

12.24

IO = 50 mA, VI = 14 V, Ta = -25 to 85°C

11.52

12.48

Operating input voltage

IO = 500 mA

Output current limit

∆VO

Line regulation

VI = 13 to 16 V, IO = 5 mA

∆VO

Load regulation

VI = 13.3 V, IO = 5 to 500 mA

Quiescent current

VI = 13 to 16V, IO = 0mA

ON MODE

0.7

1.5

VI = 13.3 to 16V,

IO = 500mA

VI = 13 V

OFF MODE

140

µA

SVR

Supply voltage rejection

IO = 5 mA, VI = 14 ± 1 V

f = 120 Hz

f = 1 KHz

f = 10 KHz

Output noise voltage

B = 10 Hz to 100 KHz

µV

Dropout voltage

IO = 200 mA

0.2

0.35

IO = 500 mA

0.4

0.7

VIL

Control input logic low

Ta = -40 to 125°C

0.8

VIH

Control input logic high

Ta = -40 to 125°C

Control input current

VI = 13 V, VC = 6 V

µA

Output bypass

capacitance

ESR = 0.1 to 10

Ω, IO = 0 to 500 mA

µF

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