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AN4070 数据表(PDF) 13 Page - STMicroelectronics

部件名 AN4070
功能描述  250 W grid connected microinverter
PDF  53 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN4070 数据表(HTML) 13 Page - STMicroelectronics

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AN4070
DC-DC converter design
Doc ID 022934 Rev 1
13/53
16. Calculation of diodes breakdown voltage:
Equation 16
17. Calculation of input capacitor RMS current:
Equation 17
18. MOSFET selection and losses calculations:
Equation 18
19. Diode selection and losses calculations:
Equation 19
Table 3.
DC-DC converter MOSFET main characteristics
Device
Type
RDS(on)
Tswoff
Vbr
Id@ 100 °C
Qg
STH180N100F3
MOSFET
4.5 m
Ω
106.8 ns
100 V
120 A
114.6 nC
Table 4.
DC-DC converter rectifier diodes main characteristics.
Device
Type
Vf@12 A
Trr
Vbr
Id @100 °C
IRM (typ.)
STTH12R06
Ultrafast soft
recovery
1.4 V
25 ns
600 V
12 A
7 A
V
V
V
out
diode
brdw
516
430
2
.
1
2
.
1
max
=
⋅
=
⋅
=
Ω
=
=
Δ
Δ
=
=
Δ
=
⋅
=
Δ
⋅
Δ
=
96
.
2
675
.
0
2
%
10
6
.
9
2
35000
675
.
0
35000
max
min
c
c
C
in
c
c
c
in
i
V
ESR
V
V
uF
V
i
C
in
()
W
P
P
P
P
W
f
Q
V
P
W
I
R
P
W
T
t
I
V
P
drv
cond
sw
tot
mos
s
g
gs
drv
rms
dson
cond
s
off
sw
rain
d
ds
sw
56
.
3
2
2
2
06
.
0
35000
10
6
.
114
15
53
.
0
6
.
8
0045
.
0
6
.
1
6
.
1
19
.
1
10
57
.
28
2
)
10
8
.
106
(
2
86
.
12
2
.
99
2
max
max
9
2
2
max
6
9
max
max
max
=
⋅
+
⋅
+
⋅
=
=
⋅
⋅
⋅
=
⋅
⋅
=
=
⋅
⋅
=
⋅
⋅
=
=
⋅
⋅
⋅
⋅
⋅
=
⋅
⋅
⋅
≥
−
−
−



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