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L7981ATR 데이터시트(PDF) 5 Page - STMicroelectronics

부품명 L7981ATR
상세설명  3 A step-down switching regulator
PDF  44 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7981ATR 데이터시트(HTML) 5 Page - STMicroelectronics

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L7981
Maximum ratings
Doc ID 15182 Rev 3
5/44
2
Maximum ratings
3
Thermal data
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
Vcc
Input voltage
30
V
OUT
Output DC voltage
-0.3 to VCC
FSW, COMP, SYNCH
Analog pin
-0.3 to 4
EN
Enable pin
-0.3 to VCC
FB
Feedback voltage
-0.3 to 1.5
PTOT
Power dissipation
at TA < 60°C
VFQFPN
1.5.
W
HSOP
2
TJ
Junction temperature range
-40 to 150
°C
Tstg
Storage temperature range
-55 to 150
°C
Table 3.
Thermal data
Symbol
Parameter
Value
Unit
RthJA
Maximum thermal resistance
junction-ambient (1)
1.
Package mounted on demonstration board.
VFQFPN
60
°C/W
HSOP
40



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