L78S05CV datasheet(15/35 Pages) STMICROELECTRONICS

No. de pieza	L78S05CV

Descripción Electrónicos	Short circuit protection

PDF	35 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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15 / 35 page

DocID2148 Rev 8

15/35

L78S

Electrical characteristics

Refer to the test circuits, TJ = 25 °C, VI = 26 V, IO = 500 mA, unless otherwise specified.

Table 10. Electrical characteristics of L78S18C

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

17.1

18.9

Output voltage

IO = 1 A, VI = 20.5 V

ΔVO

Line regulation

VI = 20.5 to 30 V

360

VI = 22 to 28 V

180

ΔVO

Load regulation

IO = 20 mA to 1.5 A

360

IO = 2 A

200

Quiescent current

ΔIQ

Quiescent current change

IO = 20 mA to 1 A

0.5

VI = 20.5 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

110

µV

SVR

Supply voltage rejection

f = 120 Hz

43(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.

L78S05CV Datasheet(PDF) 15 Page - STMicroelectronics

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