LF80CV datasheet(28/49 Pages) STMICROELECTRONICS

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Electrical characteristics

LFxxAB - LFxxC

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Table 24.

Electrical characteristics for LF80CDT-TRY (Automotive Grade) (refer to the test

circuits, TA = -40 to 125°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 = 10 V, Ta = 25°C

7.84

8.16

IO = 50 mA, VI = 10 V

7.665

8.335

Operating input voltage

IO = 500 mA

Output current limit

Ta = 25°C

ΔVO

Line regulation

VI = 9 to 16 V, IO = 5 mA

ΔVO

Load regulation

VI = 9.3 V, IO = 5 to 500 mA

Quiescent current

VI = 9 to 16V, IO = 0mA

ON MODE

0.7

2.5

VI = 9.3 to 16V, IO=500mA

VI = 9 V

OFF MODE

160

µA

SVR

Supply voltage rejection

IO = 5 mA, VI = 10 ± 1 V

Ta = 25°C

f = 120 Hz

f = 1 kHz

f = 10 kHz

Output noise voltage

B = 10 Hz to 100 kHz, Ta = 25°C

µV

Dropout voltage

IO = 200 mA

0.2

1.3

IO = 500 mA

0.4

1.3

VIL

Control input logic low

0.8

VIH

Control input logic high

Control input current

VI = 9 V, VC = 6 V, Ta = 25°C

µA

Output bypass

capacitance

ESR = 0.1 to 10

Ω, IO = 0 to 500 mA

µF

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