L7905ACV datasheet(9/20 Pages) STMICROELECTRONICS

номер детали	L7905ACV

подробное описание детали	2 % negative voltage regulators

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L79xxAC

Electrical characteristics

9/20

Table 6.

Electrical characteristics of L7915AC (refer to the test circuits, TJ = 0 to 125 °C, VI = -23

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

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VO

Output voltage

TJ = 25°C

-14.7

-15

-15.3

V

VO

Output voltage

IO = -5 mA to -1 A, PO ≤15 W

VI = -18.5 to -30 V

-14.4

-15

-15.6

V

ΔVO(1)

Line regulation

VI = -17.5 to -30 V, TJ = 25°C

300

mV

VI = -20 to -26 V, TJ = 25°C

150

ΔVO(1)

Load regulation

IO = 5 mA to 1.5 A, TJ = 25°C

300

mV

IO = 250 to 750 mA, TJ = 25°C

150

Id

Quiescent current

TJ = 25°C

3

mA

ΔId

Quiescent current change

IO = 5 mA to 1 A

0.5

mA

VI = -18.5 to -30 V

1

ΔVO/ΔT Output voltage drift

IO = 5 mA

-0.9

mV/°C

eN

Output noise voltage

B = 10Hz to 100kHz, TJ = 25°C

250

µV

SVR

Supply voltage rejection

ΔVI = 10 V, f = 120Hz

54

60

dB

Vd

Dropout voltage

IO = 1 A, TJ = 25°C, ΔVO = 100 mV

1.1

V

Isc

Short circuit current

1.3

A

Iscp

Short circuit peak current

TJ = 25°C

2.5

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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