L78S datasheet(12/35 Pages) STMICROELECTRONICS

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Electrical characteristics

L78S

12/35

DocID2148 Rev 8

Refer to the test circuits, TJ = 25 °C, VI = 15 V, IO = 500 mA, unless otherwise specified.

Table 7. Electrical characteristics of L78S10C

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

9.5

10.5

Output voltage

IO = 1 A, VI = 12.5 V

9.4

10.6

ΔVO

Line regulation

VI = 12.5 to 30 V

200

VI = 14 to 22 V

100

ΔVO

Load regulation

IO = 20 mA to 1.5 A

240

IO = 2 A

150

Quiescent current

ΔIQ

Quiescent current change

IO = 20 mA to 1 A

0.5

VI = 12.5 to 30 V, IO = 20 mA

ΔVO/ΔT Output voltage drift

IO = 5 mA, TJ = 0 °C to 70 °C

-1

mV/°C

Output noise voltage

B = 10 Hz to 100 kHz

µV

SVR

Supply voltage rejection

f = 120 Hz

47(1)

Operating input voltage

IO ≤ 1 A

Output resistance

f = 1 kHz

Isc

Short circuit current

VI = 27 V

500

Iscp

Short circuit peak current

Guaranteed by design.

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