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L5972D 数据表(PDF) 4 Page - STMicroelectronics

部件名 L5972D
功能描述  2A switch step down switching regulator
PDF  15 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5972D 数据表(HTML) 4 Page - STMicroelectronics

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Electrical data
L5972D
4/15
2
Electrical data
2.1
Maximum ratings
2.2
Thermal data
Table 2.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
V8
Input voltage
40
V
V1
Out pin DC voltage
Out pin peak voltage at
∆t = 0.1µs
-1 to 40
-5 to 40
V
V
I1
Maximum output current
int. limit.
V4, V5
Analog pins
4
V
Ptot
Power dissipation at TA ≤ 70°C
1.2
W
Tj
Operating junction temperature range
-40 to 150
°C
Tstg
Storage temperature range
-55 to 150
°C
Table 3.
Thermal data
Symbol
Parameter
SO8
Unit
RthJA
Maximum thermal resistance junction-ambient
65 (1)
1.
Package mounted on board
°C/W



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