L78M datasheet(8/47 Pages) STMICROELECTRONICS

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Electrical characteristics

L78M

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DocID2146 Rev 21

Refer to the test circuits, VI = 10 V, IO = 350 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = -40 to

125 °C (AB), TJ = 0 to 125 °C (AC) unless otherwise specified.

Table 4: Electrical characteristics of L78M05A

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

TJ = 25 °C

4.9

5.1

Output voltage

IO = 5 to 350 mA, VI = 7 to 20 V

4.8

5.2

∆VO

Line regulation

VI = 7 to 25 V, IO = 200 mA, TJ = 25 °C

100

VI = 8 to 25 V, IO = 200 mA, TJ = 25 °C

∆VO

Load regulation

IO = 5 to 500 mA, TJ = 25 °C

100

IO = 5 to 200 mA, TJ = 25 °C

Quiescent current

TJ = 25 °C

∆Id

Quiescent current change

IO = 5 to 350 mA

0.5

IO = 200 mA, VI = 8 to 25 V

0.8

∆VO/∆T

Output voltage drift

IO = 5 mA

-0.5

mV/°C

SVR

Supply voltage rejection

VI = 8 to 18 V, f = 120 Hz, IO = 300 mA,

TJ = 25°C

Output noise voltage

B = 10 Hz to 100 kHz, TJ = 25 °C

µV

Dropout voltage

TJ = 25 °C

Isc

Short circuit current

TJ = 25 °C, VI = 35 V

300

Iscp

Short circuit peak current

TJ = 25 °C

700

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