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PD70224 Arkusz danych(PDF) 13 Page - Microchip Technology

Numer części PD70224
Szczegółowy opis  IdealBridge??Dual MOSFET-Based Bridge Rectifier
PDF  25 Pages
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Producent  MICROCHIP [Microchip Technology]
Strona internetowa  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PD70224 Arkusz danych(HTML) 13 Page - Microchip Technology

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4.2
Thermal Specifications
The following table lists the thermal specifications of PD70224.
Table 4-2. Thermal Properties
Thermal Resistance Min
Typ
Max
Units
θJA
31
°C/W
θJL
2.5
°C/W
θJC
5
°C/W
Note: The θJX numbers assume no forced airflow. Junction temperature is calculated using TJ = TA + (PD x θJA). In
particular, θJA is a function of the PCB construction. The stated number above is for a four-layer board in accordance
with JESD-51 (JEDEC).
4.3
Recommended PCB Layout
The following figures show the PD70224 recommended PCB layout for 40-pin QFN 6 mm × 8 mm.
The pad for pins 4, 9, 15, 18, 24, 29, 35, and 38 is missing from the layout because it does not exist in package.
Figure 4-2. Top-Layer Copper (mm)
'°rf
5
l[)
c::::::)
�
(J'I
c::::::)
\() C\! c::::::)
l[) (\J
-
0
r----
0
4,37
r-3,501
oo oo o........___,�
0
0
0
0 CJ
CJ
0
0
0
0 CJ
0
0
0
0
ITT 0....--i
l[) """"
CJ 0 l[) (X)
CJ 0-
0
0
0
0 CJ
CJ
0
0
0
0
0 �-+---'---------'
oo
on nn_
--+--------'-
1.
oo_:._r
r-=
--6.40--
PD70224
Package Information
© 2020 Microchip Technology Inc.
Datasheet
DS00003575C-page 13



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