L79L09AB datasheet(10/27 Pages) STMICROELECTRONICS

tên linh kiện	L79L09AB

Giải thích chi tiết về linh kiện	Negative voltage regulators

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Electrical characteristics

L79LxxAB, L79LxxAC, L79LxxC

10/27

Doc ID 2511 Rev 16

Refer to the test circuits, TJ = 0 to 125 °C, VI = - 19 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF

unless otherwise specified.

Table 8.

Electrical characteristics of L79L12

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

TJ = 25°C

-11.1

-12

-12.9

Output voltage

IO = 1 to 40 mA, VI = -14.5 to -27 V

-10.8

-13.2

IO = 1 to 70 mA, VI = -19 V

-10.8

-13.2

ΔVO

Line regulation

VI = -14.5 to -27 V, TJ = 25°C

250

VI = -16 to -27 V, TJ = 25°C

200

ΔVO

Load regulation

IO = 1 to 100 mA, TJ = 25°C

100

IO = 1 to 40 mA, TJ = 25°C

Quiescent current

TJ = 25°C

6.5

TJ = 125°C

ΔId

Quiescent current change

IO = 1 to 40 mA

0.2

VI = -16 to -27 V

1.5

Output noise voltage

B =10Hz to 100kHz, TJ = 25°C

µV

SVR

Supply voltage rejection

VI = -15 to -25V, f = 120Hz

IO = 40 mA, TJ = 25°C

Dropout voltage

1.7

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