L79L View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L79L

Negative voltage regulators

STMicroelectronics 

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L79L

Electrical characteristics

Refer to the test circuits, VI = - 23 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, TJ = 0 to 125 °C

for L79L15AC, TJ = -40 to 125 °C for L79L15AB, unless otherwise specified.

Symbol

Table 6. Electrical characteristics of L79L15AC and L79L15AB

Parameter

Test conditions

Min. Typ. Max. Unit

VO

VO

DVO

DVO

Id

DId

eN

SVR

Vd

Output voltage

Output voltage

Line regulation

Load regulation

Quiescent current

Quiescent current change

Output noise voltage

Supply voltage rejection

Dropout voltage

TJ = 25°C

IO = 1 to 40 mA, VI = -17.5 to -30 V

IO = 1 to 70 mA, VI = -23 V

VI = -17.5 to -30 V, TJ = 25°C

VI = -20 to -30 V, TJ = 25°C

IO = 1 to 100 mA, TJ = 25°C

IO = 1 to 40 mA, TJ = 25°C

TJ = 25°C

TJ = 125°C

IO = 1 to 40 mA

VI = -20 to -30 V

B = 10 Hz to 100 kHz, TJ = 25°C

VI = -18.5 to -28.5.V, f = 120Hz

IO = 40 mA, TJ = 25°C

-14.4 -15 -15.6 V

-14.25

-14.25

-15.75

V

-15.75

300

mV

250

150

mV

75

6.5 mA

6

mA

0.1

mA

1.5

90

µV

34

39

dB

1.7

V

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