L78 datasheet(7/58 Pages) STMICROELECTRONICS

部件名	L78

功能描述	Positive voltage regulator ICs

PDF	58 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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Positive voltage regulator ICs

Maximum ratings

Note:

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

Functional operation under these condition is not implied.

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

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 4. Application circuits

L78 数据表(PDF) 7 Page - STMicroelectronics

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