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AN2852 Datasheet(PDF) 23 Page - STMicroelectronics

Part # AN2852
Description  This document describes the characteristics and performance of a 90 W wide range input
PDF  35 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2852 Datasheet(HTML) 23 Page - STMicroelectronics

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AN2852
Thermal measurements
23/35
G
Q3 (AHB high side MOSFET)
40.2
39.3
H
T1 (AHB transformer ferrite)
64.8
63.4
I
T1 (AHB transformer winding)
81.2
80.1
J
D13 (AHB output diode)
83.1
81.8
K
D12 (AHB output diode)
73.7
72.8
L
L3 (Output inductor)
58.7
57.9
Table 7.
Temperature of key components (Tamb = 25 °C, emissivity = 0.95 for all
points) (continued)
Point
Reference
T [°C] at 115Vac
T [°C] at 230Vac



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