L78M06AB datasheet(14/29 Pages) STMICROELECTRONICS

14 / 29 page

Electrical characteristics

L78MxxAB - L78MxxAC

14/29

Table 11.

Electrical characteristics of L78M24XX (refer to the test circuits, VI = 33 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)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

TJ = 25°C

23.5

24.5

Output voltage

IO = 5 to 350 mA, VI = 27 to 38 V

ΔVO

Line regulation

VI = 27 to 38 V, IO = 200 mA, TJ = 25°C

100

VI = 28 to 38 V, IO = 200 mA, TJ = 25°C

ΔVO

Load regulation

IO = 5 to 500 mA, TJ = 25°C

480

IO = 5 to 200 mA, TJ = 25°C

240

Quiescent current

TJ = 25°C

ΔId

Quiescent current change

IO = 5 to 350 mA

0.5

IO = 200 mA, VI = 27 to 38 V

0.8

ΔVO/ΔT Output voltage drift

IO = 5 mA

-1.2

mV/°C

SVR

Supply voltage rejection

VI = 28 to 38 V, f = 120Hz, IO = 300mA,

TJ = 25°C

Output noise voltage

B =10Hz to 100kHz, TJ = 25°C

170

µV

Dropout voltage

TJ = 25°C

Isc

Short circuit current

VI = 35 V, TJ = 25°C

240

Iscp

Short circuit peak current

TJ = 25°C

700

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