L7805CV datasheet(17/56 Pages) STMICROELECTRONICS

Nome de Peças	L7805CV

Descrição Electrónicos	Positive voltage regulators

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Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

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L78xx - L78xxC

Electrical characteristics

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Table 12.

Electrical characteristics of L7805C (refer to the test circuits, TJ = 0 to 150 °C, VI = 10 V,

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

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VO

Output voltage

TJ = 25°C

4.8

5

5.2

V

VO

Output voltage

IO = 5 mA to 1 A, PO ≤15 W

VI = 7 to 20 V

4.75

5

5.25

V

ΔVO(1)

Line regulation

VI = 7 to 25 V, TJ = 25°C

3

100

mV

VI = 8 to 12 V, TJ = 25°C

1

50

ΔVO(1)

Load regulation

IO = 5 mA to 1.5 A, TJ = 25°C

100

mV

IO = 250 to 750 mA, TJ = 25°C

50

Id

Quiescent current

TJ = 25°C

8

mA

ΔId

Quiescent current change

IO = 5 mA to 1 A

0.5

mA

VI = 7 to 25 V

0.8

ΔVO/ΔT Output voltage drift

IO = 5 mA

-1.1

mV/°C

eN

Output noise voltage

B =10 Hz to 100 kHz, TJ = 25°C

40

µV/VO

SVR

Supply voltage rejection

VI = 8 to 18 V, f = 120 Hz

62

dB

Vd

Dropout voltage

IO = 1 A, TJ = 25°C

2

V

RO

Output resistance

f = 1 kHz

17

m

Ω

Isc

Short circuit current

VI = 35 V, TJ = 25°C

0.75

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.

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