Table 17. Electrical characteristics of L78L10AC - Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB),

VI= 16 V, IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VO

Output voltage

TJ = 25 °C

9.6

10

10.4

V

VO

Output voltage

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

9.5

10.5

V

IO = 1 to 70 mA, VI = 16 V

9.5

10.5

∆VO

Line regulation

VI = 12.5 to 23 V, TJ = 25 °C

230

mV

VI = 13 to 23 V, TJ = 25 °C

170

∆VO

Load regulation

IO = 1 to 100 mA, TJ = 25 °C

80

mV

IO = 1 to 40 mA, TJ = 25 °C

40

Id

Quiescent current

TJ = 25 °C

6

mA

TJ = 125 °C

5.5

mA

∆Id

Quiescent current change

IO = 1 to 40 mA

0.1

mA

VI = 13 to 23 V

1.5

eN

Output noise voltage

B = 10 Hz to 100 kHz, TJ = 25 °C

60

µV

SVR

Supply voltage rejection

VI = 14 to 23 V, f = 120 Hz

IO = 40 mA, TJ = 25 °C

37

45

dB

Vd

Dropout voltage

1.7

V

Table 18. Electrical characteristics of L78L12AB and L78L12AC - Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40

to 125 °C (AB), VI =19 V, IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VO

Output voltage

TJ = 25 °C

11.5

12

12.5

V

VO

Output voltage

IO = 1 to 40 mA, VI = 14.5 to 27 V

11.4

12.6

V

IO = 1 to 70 mA, VI = 19 V

11.4

12.6

∆VO

Line regulation

VI = 14.5 to 27 V, TJ = 25 °C

250

mV

VI = 16 to 27 V, TJ = 25 °C

200

∆VO

Load regulation

IO = 1 to 100 mA, TJ = 25 °C

100

mV

IO = 1 to 40 mA, TJ = 25 °C

50

Id

Quiescent current

TJ = 25 °C

6.5

mA

TJ = 125 °C

6

mA

∆Id

Quiescent current change

IO = 1 to 40 mA

0.1

mA

VI = 16 to 27 V

1.5

eN

Output noise voltage

B = 10 Hz to 100 kHz, TJ = 25 °C

80

µV

SVR

Supply voltage rejection

VI = 15 to 25 V, f = 120 Hz

IO = 40 mA, TJ = 25 °C

37

42

dB

Vd

Dropout voltage

1.7

V

L78L

Electrical characteristics

DS0424 - Rev 30

page 12/41