L79L08ABUTR 데이터 시트보기 (PDF) - STMicroelectronics

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L79L08ABUTR

Negative voltage regulators

STMicroelectronics 

L79LxxAB - L79LxxAC - L79LxxC

3

Maximum ratings

Maximum ratings

Table 2. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VI

DC input voltage

VO = -5 to -9 V

VO = -12 to -15 V

-30

V

-35

IO

Output current

PD

Power dissipation

100

mA

Internally Limited (1)

mW

TSTG Storage temperature range

-40 to 150

°C

For L79L00C, L79L00AC

0 to 125

TOP

Operating junction temperature range

For L79L00AB

°C

-40 to 125

1. Our SO-8 package used for Voltage Regulators is modified internally to have pins 2, 3, 6 and 7 electrically communed to

the die attach flag. This particular frame decreases the total thermal resistance of the package and increases its ability to

dissipate power when an appropriate area of copper on the printed circuit board is available for heat-sinking. The external

dimensions are the same as for the standard SO-8.

Table 3. Thermal data

Symbol

Parameter

RthJC Thermal resistance junction-case. (Max)

RthJA Thermal resistance junction-ambient. (Max)

1. Considering 6 cm2 of copper Board heat-sink.

SO-8

20

55 (1)

TO-92

200

SOT-89

15

Unit

°C/W

°C/W

5/22

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