CD00000448 datasheet(13/31 Pages) STMICROELECTRONICS

13 / 31 page

L78MxxAB, L78MxxAC

Electrical characteristics

Doc ID 2147 Rev 13

13/31

Refer to the test circuits, VI = 23 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 10.

Electrical characteristics of L78M15XX

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

TJ = 25°C

14.7

15.3

Output voltage

IO = 5 to 350 mA, VI = 17.5 to 30 V

14.4

15.6

ΔVO

Line regulation

VI = 17.5 to 30 V, IO = 200 mA,

TJ = 25°C

100

VI = 20 to 30 V, IO = 200 mA, TJ = 25°C

ΔVO

Load regulation

IO = 5 to 500 mA, TJ = 25°C

300

IO = 5 to 200 mA, TJ = 25°C

150

Quiescent current

TJ = 25°C

ΔId

Quiescent current change

IO = 5 to 350 mA

0.5

IO = 200 mA, VI = 17.5 to 30 V

0.8

ΔVO/ΔT Output voltage drift

IO = 5 mA

-1

mV/°C

SVR

Supply voltage rejection

VI = 18.5 to 28.5 V, f = 120Hz,

IO = 300mA, TJ = 25°C

Output noise voltage

B =10Hz to 100kHz, TJ = 25°C

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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