L78M datasheet(13/47 Pages) STMICROELECTRONICS

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L78M

Electrical characteristics

DocID2146 Rev 21

13/47

Refer to the test circuits, TJ = 25 °C, VI = 15 V, IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF

unless otherwise specified.

Table 9: Electrical characteristics of L78M09C

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

8.65

9.35

Output voltage

IO = 5 to 350 mA, VI = 11.5 to 24 V

8.55

9.45

∆VO

Line regulation

VI = 11.5 to 25 V, IO = 200 mA

100

VI = 12 to 25 V, IO = 200 mA

∆VO

Load regulation

IO = 5 to 500 mA, TJ = 25 °C

180

IO = 5 to 200 mA, TJ = 25 °C

Quiescent current

∆Id

Quiescent current change

IO = 5 to 350 mA

0.5

IO = 200 mA, VI = 11.5 to 25 V

0.8

∆VO/∆T

Output voltage drift

IO = 5 mA, TJ = 0 to 125 °C

-0.5

mV/°C

SVR

Supply voltage rejection

VI = 12.5 to 23 V, f = 120 Hz, IO = 300 mA

Output noise voltage

B = 10 Hz to 100 kHz

µV

Dropout voltage

Isc

Short circuit current

VI = 35 V

250

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