L7806CV datasheet(21/56 Pages) STMICROELECTRONICS

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L78xx - L78xxC

Electrical characteristics

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Table 16.

Electrical characteristics of L7885C (refer to the test circuits, TJ = 0 to 150 °C, VI = 14.5 V,

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

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

TJ = 25°C

8.2

8.5

8.8

Output voltage

IO = 5 mA to 1 A, PO ≤15 W

VI = 11 to 26 V

8.1

8.5

8.9

ΔVO(1)

Line regulation

VI = 11 to 27 V, TJ = 25°C

160

VI = 11.5 to 17.5 V, TJ = 25°C

ΔVO(1)

Load regulation

IO = 5 mA to 1.5 A, TJ = 25°C

160

IO = 250 to 750 mA, TJ = 25°C

Quiescent current

TJ = 25°C

ΔId

Quiescent current change

IO = 5 mA to 1 A

0.5

VI = 11 to 27 V

ΔVO/ΔT Output voltage drift

IO = 5 mA

-0.8

mV/°C

Output noise voltage

B =10 Hz to 100 kHz, TJ = 25°C

µV/VO

SVR

Supply voltage rejection

VI = 12 to 22V, f = 120Hz

Dropout voltage

IO = 1 A, TJ = 25°C

Output resistance

f = 1 kHz

Isc

Short circuit current

VI = 35 V, TJ = 25°C

0.45

Iscp

Short circuit peak current

TJ = 25°C

2.2

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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