L78 datasheet(4/55 Pages) STMICROELECTRONICS

部件名	L78

功能描述	Positive voltage regulator ICs

PDF	55 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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4 / 55 page

Maximum ratings

Table 1. Absolute maximum ratings

Symbol

Parameter

Value

Unit

DC input voltage

for VO= 5 to 18 V

for VO= 20, 24 V

Output current

Internally limited

Power dissipation

Internally limited

TSTG

Storage temperature range

-65 to 150

°C

TOP

Operating junction temperature range

for L78xxC, L78xxAC

0 to 125

°C

for L78xxAB

-40 to 125

Note:

Absolute maximum ratings are those values beyond which damage to the device may occur. Functional

operation under these condition is not implied.

Table 2. Thermal data

Symbol

Parameter

D²PAK

DPAK

TO-220

TO-220FP

Unit

RthJC

Thermal resistance junction-case

°C/W

RthJA

Thermal resistance junction-ambient

62.5

100

°C/W

Figure 5. Application circuits

GAMG220920161003MT

L78

Maximum ratings

DS0422 - Rev 36

page 4/55

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