L79L09AB datasheet(15/27 Pages) STMICROELECTRONICS

tên linh kiện	L79L09AB

Giải thích chi tiết về linh kiện	Negative voltage regulators

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15 / 27 page

L79LxxAB, L79LxxAC, L79LxxC

Electrical characteristics

Doc ID 2511 Rev 16

15/27

Refer to the test circuits, VI = - 15 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125 °C

for L79L05AC, TJ = -40 to 125 °C for L79L05AB, unless otherwise specified.

Table 13.

Electrical characteristics of L79L09AB and L79L09AC

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

Output voltage

TJ = 25°C

-8.64-9-9.36

Output voltage

IO = 1 to 40 mA, VI = -11.5 to -23 V

-8.55

-9.45

IO = 1 to 70 mA, VI = -15 V

-8.55

-9.45

ΔVO

Line regulation

VI = -11.5 to -23 V, TJ = 25°C

225

VI = -12 to -23 V, TJ = 25°C

150

ΔVO

Load regulation

IO = 1 to 100 mA, TJ = 25°C

IO = 1 to 40 mA, TJ = 25°C

Quiescent current

TJ = 25°C

TJ = 125°C

5.5

ΔId

Quiescent current change

IO = 1 to 40 mA

0.1

VI = -12 to -23 V

1.5

Output noise voltage

B =10Hz to 100kHz, TJ = 25°C

µV

SVR

Supply voltage rejection

VI = -12 to -23V, f = 120Hz

IO = 40 mA, TJ = 25°C

Dropout voltage

1.7

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