L4941 datasheet(4/14 Pages) STMICROELECTRONICS

4 / 14 page

L4941

4/14

ELECTRICAL CHARACTERISTICS (Refer to test circuit, VI=7V, CI =0.1µF, CO =22µF,

TJ = 25°C, unless otherwise specified.)

TYPICAL CHARACTERISTICS

Figure 4 : Dropout Voltage vs Output Current

Figure 5 : Dropout Voltage vs Temperature

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 =5mA

∆V

Line Regulation

VI =6 to 16V

IO =5 mA

∆V

Load Regulation

IO =5mA to 1A

IO =0.5Ato1A

Quiescent Current

IO =5mA

VI =6V

IO =1A

VI =6V

∆I

Quiescent Current Change

IO =5mA

VI =6 to 14V

IO =1A

VI = 6 to 14V

-10

Dropout Voltage

IO = 0.5A

250

450

IO = 1A

450

700

∆V

O/∆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/V

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