L4941 datasheet(7/17 Pages) STMICROELECTRONICS

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L4941

Electrical characteristics

7/17

Electrical characteristics

Table 3.

Electrical characteristics (refer to test circuit, VI=7V, CI = 0.1µF, CO = 22µF, TJ = 25°C,

unless otherwise specified.)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

IO = 5mA to 1A, VI = 6 to 14V

4.8

5.2

Input voltage

IO = 5 mA

∆VO

Line regulation

VI = 6 to 16V, IO = 5 mA

∆VO

Load regulation

IO = 5mA to 1A

IO = 0.5A to 1A

Quiescent current

IO = 5 mA, VI = 6V

IO = 1A, VI = 6V

∆Iq

Quiescent current change

IO = 5 mA, VI = 6 to 14V

IO = 1A, VI = 6 to 14V

-10

Dropout voltage

IO = 0.5A

250

450

IO = 1A

450

700

∆VO/∆T

Output voltage drift

0.6

mV/°C

SVR

Supply voltage rejection

f = 120Hz, IO = 1A

Isc

Short circuit current

VI = 14V

1.6

2.0

VI = 6V

1.8

2.2

Output impedance

f = 1KHz, IO = 0.5A

Ω

Output noise voltage

B = 100Hz to 100KHz

µV/VO

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