L7805CV1 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

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L7805CV1

POSITIVE VOLTAGE REGULATORS

STMicroelectronics 

Electrical characteristics

L78xx - L78xxC

Table 15.

Symbol

Electrical characteristics of L7808C (refer to the test circuits, TJ = 0 to 150°C, VI = 14 V,

IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified)

Parameter

Test conditions

Min. Typ. Max. Unit

VO Output voltage

TJ = 25°C

7.7

8

8.3

V

VO Output voltage

IO = 5 mA to 1 A, PO ≤15 W

VI = 10.5 to 25 V

7.6

8

8.4

V

ΔVO(1) Line regulation

VI = 10.5 to 25 V, TJ = 25°C

VI = 11 to 17 V, TJ = 25°C

160

mV

80

ΔVO(1) Load regulation

IO = 5 mA to 1.5 A, TJ = 25°C

IO = 250 to 750 mA, TJ = 25°C

160

mV

80

Id

Quiescent current

TJ = 25°C

8

mA

ΔId

IO = 5 mA to 1 A

Quiescent current change

VI = 10.5 to 25 V

0.5

mA

1

ΔVO/ΔT Output voltage drift

IO = 5 mA

-0.8

mV/°C

eN Output noise voltage

B =10 Hz to 100 KHz, TJ = 25°C

52

µV/VO

SVR Supply voltage rejection VI = 11.5 to 21.5 V, f = 120 Hz

56

dB

Vd Dropout voltage

IO = 1 A, TJ = 25°C

2

V

RO Output resistance

f = 1 KHz

16

mΩ

Isc Short circuit current

VI = 35 V, TJ = 25°C

0.45

A

Iscp Short circuit peak current TJ = 25°C

2.2

A

1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be

taken into account separately. Pulse testing with low duty cycle is used.

22/52

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