STEVAL-ISF002V1 STMicroelectronics, STEVAL-ISF002V1 Datasheet - Page 13
![BOARD EVALUATION](/photos/9/6/90649/steval-isf002v1_sml.jpg)
STEVAL-ISF002V1
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
UM0877
3.3.4
3.3.5
Boost inductor for CCM
The inductance value is calculated by taking into account the inductor’s continuous
conduction mode.
Equation 8
Equation 9
Equation 10
Equation 11
Equation 12
Equation 13
The inductor shown in
operating conditions.
Output capacitor
Assuming that V
Equation 14
Two capacitors in parallel have been selected. Their values are 330 µF at 450 V.
L
min
≥
L
out(ripple)
min
C
V
out
out
≥
I
L(pk)
δ ⋅
≥
L
(
Section A.2
f
V
min
sw
max
⋅ π
out
≤ 5%, the value of the output capacitor is calculated.
⋅
=
2
I
≥
V
ripple
−
⋅
⋅
I
in(pk)
(
out
1
(
f
V
mains
V
Doc ID 16854 Rev 1
−
I
in(pk)
out
out(max)
⋅
δ
f
sw
max
+
−
⋅
min
is manufactured with this inductance value at normal
I
I
V
L(avg)
V
ripple
⋅
I
)
out(ripple
)
2
in(pk)
ripple
L
⋅
=
V
min
in(pk)
V
=
=
min
out
≥
⎛
⎜
⎝
2
)
)
11
min
. 0
⋅
⋅
f
⋅
sw
=
⎛
⎜
⎜
⎝
I
V
π
530
.
L(pk)
V
38
out
=
⋅ π
⋅
out
STEVAL-ISF002V1 hardware description
I
ripple
(
415
2
+
−
mH
V
≅
−
⋅
. 2
V
out
415
50
1400
(
8
415
in(pk)
V
2
28
−
A
out
V
⋅
185
f
415
⋅
sw
out
⎞
⎟
⎠
min
80
100
−
A
⋅
V
⋅
I
⋅
⋅
=
ripple
⋅
in(pk)
⎛
⎜
⎜
⎝
10
5
12.52
1
2
−
F
3
)
min
⋅
⋅
V
185
≅
. 2
out
)
520
⎞
⎟
⎟
⎠
28
A
⋅
−
V
V
out
μF
2
in(pk)
H
min
⎞
⎟
⎟
⎠
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