L7915CV datasheet(6/24 Pages) STMICROELECTRONICS

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Electrical characteristics

L7900 series

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Electrical characteristics

Table 3.

Electrical characteristics of L7905C (refer to the test circuits, TJ = 0 to 125°C, VI = -10V,

IO = 500 mA, CI = 2.2 µF, CO = 1 µF unless otherwise specified)

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

TJ = 25°C

-4.8

-5

-5.2

Output voltage

IO = -5 mA to -1 A, PO ≤15 W

VI = -8 to -20 V

-4.75

-5

-5.25

∆VO(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.

Line regulation

VI = -7 to -25 V, TJ = 25°C

100

VI = -8 to -12 V, TJ = 25°C

∆VO(1)

Load regulation

IO = 5 mA to 1.5 A, TJ = 25°C

100

IO = 250 to 750 mA, TJ = 25°C

Quiescent current

TJ = 25°C

∆Id

Quiescent current change

IO = 5 mA to 1 A

0.5

VI = -8 to -25 V

1.3

∆VO/∆T Output voltage drift

IO = 5 mA

-0.4

mV/°C

Output noise voltage

B = 10Hz to 100KHz, TJ = 25°C

100

µV

SVR

Supply voltage rejection

∆VI = 10 V, f = 120Hz

Dropout voltage

IO = 1 A, TJ = 25°C, ∆VO = 100 mV

1.4

Isc

Short circuit current

2.1

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