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VNQ810 датащи(PDF) 16 Page - STMicroelectronics

номер детали VNQ810
подробное описание детали  QUAD CHANNEL HIGH SIDE DRIVER
PDF  21 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

VNQ810 датащи(HTML) 16 Page - STMicroelectronics

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VNQ810
SO-28 Double island PC Board
Thermal calculation according to the PCB heatsink area
RthA = Thermal resistance Junction to Ambient with one chip ON
RthB = Thermal resistance Junction to Ambient with both chips ON and Pdchip1=Pdchip2
RthC = Mutual thermal resistance
Rthj-amb Vs. PCB copper area in open box free air condition
Chip 1
Chip 2
Tjchip1
Tjchip2
Note
ON
OFF
RthA x Pdchip1 + Tamb
RthC x Pdchip1 + Tamb
OFF
ON
RthC x Pdchip2 + Tamb
RthA x Pdchip2 + Tamb
ON
ON
RthB x (Pdchip1 + Pdchip2) + Tamb
RthB x (Pdchip1 + Pdchip2) + Tamb
Pdchip1=Pdchip2
ON
ON
(RthA x Pdchip1) + RthC x Pdchip2 + Tamb
(RthA x Pdchip2) + RthC x Pdchip1 + Tamb Pdchip1≠Pdchip2
SO-28 DOUBLE ISLAND THERMAL DATA
Layout condition of Rth and Zth measurements (PCB FR4 area= 58mm x 58mm, PCB thickness=2mm,
Cu thickness=35
µm, Copper areas: 0.5cm2, 3cm2, 6cm2).
10
20
30
40
50
60
70
01
23
45
6
7
PCB Cu he atsink area (cm ^2)/is land
RTHj_am b
(°C/W)
RthA
RthB
RthC



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