L7905CP datasheet(11/24 Pages) STMICROELECTRONICS

11 / 24 page

L79xxC

Electrical characteristics

11/24

Table 11.

Electrical characteristics of L7924C (refer to the test circuits, TJ = 0 to 125 °C, VI = -33 V,

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

-23

-24

-24.5

Output voltage

IO = -5 mA to -1 A, PO ≤15 W

VI = -27 to -38 V

-22.8

-24

-25.2

ΔVO(1)

Line regulation

VI = -27 to -38 V, TJ = 25°C

480

VI = -30 to -36 V, TJ = 25°C

240

ΔVO(1)

Load regulation

IO = 5 mA to 1.5 A, TJ = 25°C

480

IO = 250 to 750 mA, TJ = 25°C

240

Quiescent current

TJ = 25°C

ΔId

Quiescent current change

IO = 5 mA to 1 A

0.5

VI = -27 to -38 V

ΔVO/ΔT Output voltage drift

IO = 5 mA

-1

mV/°C

Output noise voltage

B = 10Hz to 100kHz, TJ = 25°C

400

µV

SVR

Supply voltage rejection

ΔVI = 10 V, f = 120Hz

Dropout voltage

IO = 1 A, TJ = 25°C, ΔVO = 100 mV

1.1

Isc

Short circuit current

1.1

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.

L7905CP 数据表(PDF) 11 Page - STMicroelectronics

L7905CP 数据表(HTML) 11 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

数据表下载