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AN3339 Datasheet(PDF) 27 Page - STMicroelectronics

No. de pieza AN3339
Descripción Electrónicos  185 W power supply with PFC and standby supply for LED TV
PDF  44 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3339 Datasheet(HTML) 27 Page - STMicroelectronics

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AN3339
Thermal map
Doc ID 18449 Rev 2
27/44
Table 2.
Thermal maps reference points
Point
Reference
Description
Temperature at 115 Vac Temperature at 230 Vac
A
D3
Bridge rectifier
69.8 °C
51.3 °C
B
Q5
PFC MOSFET
74.1 °C
59.3 °C
C
R51
Current sense resistor
72.9 °C
51.3 °C
D
R1
NTC
85.8 °C
72.6 °C
E
D2
PFC output diode
82.5 °C
74.3 °C
F
L1
PFC inductor
58.2 °C
55.4 °C
G
U5
VIPER27
58.0 °C
56.8 °C
H
T2
Flyback transformer
52.1 °C
51.3 °C
I
Q6
Resonant MOSFET
54.3 °C
52.9 °C
J
T1
LLC transformer
79.6 °C
78.4 °C
K
D24
130 V o/p diode
67.6 °C
66.8 °C
L
D4
24 V o/p diode
71.2 °C
71.1 °C
M
D9
12 V o/p diode
68.8 °C
69.1 °C



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