LF90AB datasheet(32/49 Pages) STMICROELECTRONICS

No. de pieza	LF90AB

Descripción Electrónicos	Very low drop voltage regulators with inhibit

PDF	49 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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Electrical characteristics

LFxxAB - LFxxC

32/49

Table 28.

Electrical characteristics for LF90AB (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 = 11 V

8.91

9.09

IO = 50 mA, VI = 11 V, Ta = -25 to 85°C

8.82

9.18

Operating input voltage

IO = 500 mA

Output current limit

ΔVO

Line regulation

VI = 10 to 16 V, IO = 5 mA

ΔVO

Load regulation

VI = 10.3 V, IO = 5 to 500 mA

Quiescent current

VI = 10 to 16V, IO = 0mA

ON MODE

0.7

1.5

VI = 10.3 to 16V,

IO = 500mA

VI = 10 V

OFF MODE

140

µA

SVR

Supply voltage rejection

IO = 5 mA, VI = 11 ± 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 = 10 V, VC = 6 V

µA

Output bypass

capacitance

ESR = 0.1 to 10

Ω, IO = 0 to 500 mA

µF

LF90AB Datasheet(PDF) 32 Page - STMicroelectronics

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