Serma EVA4201, Руководство пользователя

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ISO 9001 / ISO 14001 01/06/2016 © Productivity Engineering GmbH
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EVA4204/4301
User Guide
Evaluation Board for 80W PFC Supply
0,11A 0,40A 2 0,2 2 0,2
ACin_LL LL
= = I = ∆ I
∗ ∗ ∗ ∗
0,093A 0,33A 2 0,2 2 0,2
ACin_HL HL
= = I = ∆ I
∗ ∗ ∗ ∗
,61A 0
2
0,22
A 40 , 0 2
2
2
LL
ACin_LL pk_LL
= + =
∆ I
+ I = I
∗ ∗
,51A 0
2
0,22
A 33 , 0 2
2
2
LL
ACin_HL pk_HL
= + =
∆ I
+ I = I
∗ ∗
PE4301
The input power:
86,96W
92%
80W
out
in
= =
η
P
= P
(6)
The input current:
0,40A
110V
86,96W
AC
in
ACin_LL
= =
V
P
= I
(7)
0,33A
265V
86,96W
AC
in
ACin_HL
= =
V
P
= I
(8)
The ripple current ∆ I is set to 20%
(9)
(10)
The peak current:
(11)
(12)
This peak current affects the component selection on the current sense resistor, MOSFET,
diode and inductor.