L79L12ACD13TR datasheet(7/24 Pages) STMICROELECTRONICS

部件名	L79L12ACD13TR

功能描述	Negative voltage regulators

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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7 / 24 page

L79L

Electrical characteristics

DocID2511 Rev 18

7/24

Refer to the test circuits, VI = - 14 V, IO = 40 mA, CI

= 0.33 μF, CO = 0.1 μF, TJ = 0 to

125 °C for L79L08AC TJ = -40 to 125 °C for L79L08AB, unless otherwise specified.

Table 4: Electrical characteristics of L79L08AC and L79L08AB

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

VO

Output voltage

TJ = 25 °C

-7.68

-8

-8.32

V

VO

Output voltage

IO = 1 to 40 mA, VI = -10.5 to -23 V

-7.6

-8.4

V

IO = 1 to 70 mA, VI = -14 V

-7.6

-8.4

∆V

O

Line regulation

VI = -10.5 to -23 V, TJ = 25 °C

175

mV

VI = -11 to -23 V, TJ = 25 °C

125

∆V

O

Load regulation

IO = 1 to 100 mA, TJ = 25 °C

80

mV

IO = 1 to 40 mA, TJ = 25 °C

40

Id

Quiescent current

TJ = 25 °C

6

mA

TJ = 125 °C

5.5

mA

∆I

d

Quiescent current

change

IO = 1 to 40 mA

0.1

mA

VI = -11 to -23 V

1.5

eN

Output noise

voltage

B = 10 Hz to 100 kHz, TJ = 25 °C

60

µV

SVR

Supply voltage

rejection

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

IO = 40 mA, TJ = 25 °C

37

45

dB

Vd

Dropout voltage

1.7

V

类似零件编号 - L79L12ACD13TR

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