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DA9220 датащи(PDF) 61 Page - Dialog Semiconductor

номер детали DA9220
подробное описание детали  High-Performance Dual-Channel DC-DC Converter
PDF  62 Pages
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производитель  DIALOG [Dialog Semiconductor]
домашняя страница  http://www.dialog-semiconductor.com/
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DA9220 датащи(HTML) 61 Page - Dialog Semiconductor

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DA9220
High-Performance Dual-Channel DC-DC Converter
Datasheet
Revision 2.1
17-Sep-2020
CFR0011-120-00
61 of 62
© 2020 Dialog Semiconductor
8.2
Inductor Selection
Inductors should be selected based on the following parameters:
● Rated maximum current
Usually a coil provides two current limits: ISAT specifies the maximum current at which the
inductance drops by 30 % of the nominal value, and IMAX is defined by the maximum power
dissipation and is applied to the effective current.
● DC resistance
Critical for the converter efficiency and should therefore be minimized.
Table 64: Recommended Inductor Types
Value
(µH)
Size (mm)
IMAX (DC)
(A)
ISAT (A)
Tol. (%)
DC
Resistance
(mΩ)
Type
0.1
2.0 x 1.6 x 1.0
6.5
9.0
±20
11.5
Cyntec
HTEN20161T-R10MDR
0.1
1.6 x 0.8 x 1.0
5.2
6.5
±20
17
Taiyo Yuden
MEKK1608TR10M
0.1
1.6 x 0.8 x 0.8
4.1
9.4
±20
19
Taiyo Yuden
MCHK1608TR10MJN
0.11
2.0 x 1.25 x 0.8
5.8
6.9
±20
9.1
Taiyo Yuden
MCHK2012TR11MKG
0.1
1.0 x 0.5 x 0.55
2.3
2.2
±20
41
Taiyo Yuden
MCEE1005TR10MHN
0.1
2.5 x 2.0 x 1.2
12
13
±20
4
TDK
TFM252012ALMAR10MT
0.1
1.6 x 0.8 x 0.95
3.8
4.3
±20
15
Tokyo Coil Engineering
TFP160810M-R10N
0.11
2.0 x 1.6 x 0.6
3.0
6.0
±20
24
Wurth Elektronik
WE-PMMI 744 799 771 11



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