STEVAL-ISF002V1 STMicroelectronics, STEVAL-ISF002V1 Datasheet - Page 15

• Manufacturer Part Number: STEVAL-ISF002V1
• Description: BOARD EVALUATION
• Manufacturer: STMicroelectronics

Specifications of STEVAL-ISF002V1

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: *
• Primary Attributes: *
• Secondary Attributes: *
• Product: Power Management Modules
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10422

UM0877
3.3.7
Boost diode
The maximum current that can pass into the boost diode is:
Equation 24
Equation 25
The selected boost diode is the STTH12S06.
Equation 26
Equation 27
Equation 28
Now for the STTH12S06:
Equation 29
Equation 30
Equation 31
Equation 32
P
PFC(tot)
I
Diode(rms)
P
Diode(tot)
P
Diode(swit
≅
P
Bridge(tot
P
=
Diode(cond
=
V
P
ching)
in(pk)
P
Diode(cond
out
)
P
Doc ID 16854 Rev 1
min
+
I
=
avg
Diode(swit
P
uction)
⎛
⎜
⎝
⋅
MOSFET(tot
1
2
=
uction)
16
⋅
I
3
P
V
80
Diode(rms)
=
Q
out
out
⋅
⋅
ching)
V
⋅ π
V
rr
⋅
+
in(pk)
10
F
=
V
=
)
P
⋅
I
+
out
3
Diode(swit
1400
. 0
avg
=
415
min
P
⋅
160
415
=
2
Diode(tot)
1
=
. 5
⋅
STEVAL-ISF002V1 hardware description
=
f
(
sw
A
54
1
⎛
⎜
⎜
⎝
⋅
nC
160
ching)
5 .
185
=
⋅
1400
A
V
⋅
. 3
=
. 3
out
⋅
⋅
37
10
(
37
=
11
⋅
2
(
Q
−
A
5
)
6 .
9
⋅
W
rr
+
⎞
⎟
⎠
+
W
. 2
16
≅
14
3
65
5
≅
⋅
⋅
+
185
⋅ π
W
)
. 2
) 8
W
65
415
⋅
W
≅
W
8
2
≅
W
⎞
⎟
⎟
⎠
34
A
W
15/62