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L5973D 数据表(PDF) 4 Page - STMicroelectronics

部件名 L5973D
功能描述  2.5 A switch step down switching regulator
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5973D 数据表(HTML) 4 Page - STMicroelectronics

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Electrical data
L5973D
4/17
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
Output DC voltage
Output peak voltage at t = 0.1
µs
-1 to 40
-5 to 40
V
V
I1
Maximum output current
int. limit.
V4, V5
Analog pins
4
V
V3
INH
-0.3 V to VCC
V2
SYNC
-0.3 to 4
V
PTOT
Power dissipation at TA ≤ 60 °C
2.25
W
TJ
Operating junction temperature range
-40 to 150
°C
TSTG
Storage temperature range
-55 to 150
°C
Table 3.
Thermal data
Symbol
Parameter
HSOP8
Exposed Pad
Unit
RthJA
Maximum thermal resistance junction-ambient
40 (1)
1.
Package mounted on board
°C/W



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