L78L datasheet(20/46 Pages) STMICROELECTRONICS

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Electrical characteristics

L78L

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DocID2145 Rev 25

Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI= 16 V,

IO = 40mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.

Table 17. Electrical characteristics of L78L10AC

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

TJ = 25 °C

9.6

10.4

Output voltage

IO = 1 to 40 mA, VI = 12.5 to 23 V

9.5

10.5

IO = 1 to 70 mA, VI = 16 V

9.5

10.5

DVO

Line regulation

VI = 12.5 to 23 V, TJ = 25 °C

230

VI = 13 to 23 V, TJ = 25 °C

170

DVO

Load regulation

IO = 1 to 100 mA, TJ = 25 °C

IO = 1 to 40 mA, TJ = 25 °C

Quiescent current

TJ = 25 °C

TJ = 125 °C

5.5

DId

Quiescent current change

IO = 1 to 40 mA

0.1

VI = 13 to 23 V

1.5

Output noise voltage

B = 10 Hz to 100 kHz, TJ = 25 °C

µV

SVR

Supply voltage rejection

VI = 14 to 23 V, f = 120 Hz

IO = 40 mA, TJ = 25 °C

Dropout voltage

1.7

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