L79L05AB View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

L79L05AB

Negative voltage regulators

STMicroelectronics 

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Electrical characteristics

L79LxxAB - L79LxxAC - L79LxxC

Table 15.

Electrical characteristics of L79L15AB and L79L15AC (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 L79L05AC,

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

Symbol

Parameter

Test conditions

Min. Typ. Max. Unit

VO

VO

ΔVO

ΔVO

Id

ΔId

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 =10Hz to 100kHz, 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

12/22

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