SD45216 Buck Converter overview

Description

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SD45216 is a 40.00 V non-sync Buck Converter from with 2.00 A output current. The maximum 40.00 V input voltage can be regulated down into a 0.84 V to 40.00 V output voltage.

It requires are a typical inductor size of 100.00 µH, a typical external component count of 10 and achieves a peak efficiency of 90 %. Further SD45216 characteristics are a fixed 120 kHz switching frequency and 1 available package option(s): ESOP-8 .

For the SD45216 replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 8.00 V
V-IN max. 40.00 V
I-OUT? 2.00 A
V-OUT min. 0.84 V
V-OUT max. 40.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 120 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 4000 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 150 °C
Inductor size typ. 100.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 90 %
Component count min. 10
current limit adjustable yes
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP ESOP-8
DIP
TO
DDPAK

SD45216 Datasheet

Link to the most up-to-date SD45216 datasheet and the product page for EVM, tools and support information.

SD45216

SD45216 Sample stock and distributor price breaks

SD45216 prices and online available distributors.

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Available Distributors without stock: 1

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List of equivalents and alternatives

The following DC/DC Buck Converter are similar to SD45216. Optional, compare SD45216 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ACT4513 ACT4513 product overviewACT4513 product overview Active Semi SOP-8
0% ACT4523 ACT4523 product overviewACT4523 product overview Active Semi SOP-8EP
0% ACT4523A ACT4523A product overviewACT4523A product overview Active Semi SOP-8EP
10% ACT4533A ACT4533A product overviewACT4533A product overview Active Semi SOP-8EP
10% ACT4533B ACT4533B product overviewACT4533B product overview Active Semi SOP-8EP
25% ACT4303 ACT4303 product overviewACT4303 product overview Active Semi SOP-8
25% ACT4514 ACT4514 product overviewACT4514 product overview Active Semi SOP-8
25% ACT4515 ACT4515 product overviewACT4515 product overview Active Semi SOP-8
25% ACT4533 ACT4533 product overviewACT4533 product overview Active Semi SOP-8EP
25% SD45215 SD45215 product overviewSD45215 product overview Silan Micro SOP-8
50% ACT4501 ACT4501 product overviewACT4501 product overview Active Semi SOP-8
50% ADP1111 ADP1111 product overviewADP1111 product overview Analog Devices PDIP-8, SO-8
50% LT3663 LT3663 product overviewLT3663 product overview Linear Technology DFN-8
50% MIC4682 MIC4682 product overviewMIC4682 product overview Micrel SOIC-8
50% A6902D A6902D product overviewA6902D product overview ST SO-8
50% L6902 L6902 product overviewL6902 product overview ST SO-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SD45216.

V-IN max. 40 V, I-OUT 2 A, V-OUT min. 0.835 V, Frequency typ. 120 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404054100 10.0 2.1 2.5 64.00 5 x 5 x 4
74404063082 8.2 2.3 2.5 55.00 6 x 6 x 2.8
74404064082 8.2 2.6 4.3 43.00 6 x 6 x 4.5
74404064100 10.0 2.5 3.5 48.00 6 x 6 x 4.5
74404064120 12.0 2.2 3.0 58.00 6 x 6 x 4.5
74404084082 8.2 3.5 4.6 26.00 8 x 8 x 4.2
74404084100 10.0 3.3 4.6 29.00 8 x 8 x 4.2
74404084120 12.0 2.8 3.8 40.00 8 x 8 x 4.2
7440650082 8.2 3.8 2.8 28.50 10 x 10 x 3.1
744065100 10.0 3.0 2.5 40.00 10 x 10 x 3.1
744066100 10.0 3.6 4.0 25.00 10 x 10 x 4.1
744071100 10.0 3.4 2.8 28.00 8 x 8 x 4.6
744314101 10.0 3.5 4.0 33.00 7 x 6.9 x 5
744314850 8.5 4.0 4.5 32.50 7 x 6.9 x 5
74437336100 10.0 2.2 4.2 110.00 5.7 x 5.2 x 3
744732100 10.0 4.0 4.0 27.00 9 x 9 x 8
7447452100 10.0 4.7 4.5 15.00 9 x 9 x 13.5
7447462100 10.0 2.5 2.6 55.00 5.5 x 5.5 x 8.5
7447471100 10.0 5.1 4.2 17.50 10.5 x 10.5 x 11.5
7447713082 8.2 3.0 4.7 41.00 10 x 10 x 3
7447713100 10.0 2.6 4.1 51.50 10 x 10 x 3
7447715100 10.0 3.8 4.2 25.00 12 x 12 x 4.5
7447715120 12.0 3.5 3.6 30.00 12 x 12 x 4.5
74477510 10.0 2.3 3.0 40.00 7 x 7.8 x 5.5
74477610 10.0 3.0 3.2 27.50 9 x 10 x 5.9
744776112 12.0 2.7 3.2 32.60 9 x 10 x 5.9
74477710 10.0 2.0 2.6 45.00 7.3 x 7.3 x 4.5
7447779008 8.2 2.7 3.0 47.00 7.3 x 7.3 x 4.5
744777910 10.0 2.0 2.6 45.00 7.3 x 7.3 x 4.5
7447798131 13.0 5.9 4.5 19.90 10.2 x 10.2 x 6.4
744787082 8.2 2.7 2.8 33.00 7.8 x 7 x 5
744787100 10.0 2.6 2.6 36.50 7.8 x 7 x 5
744787120 12.0 2.5 2.4 45.00 7.8 x 7 x 5
78477410 10.0 2.2 2.5 78.00 5.2 x 5.8 x 4.85
784775082 8.2 3.2 3.2 24.00 7 x 7.8 x 5.5
78477510 10.0 2.3 3.0 40.00 7 x 7.8 x 5.5
784776082 8.2 4.2 4.3 20.00 9 x 10 x 5.9
78477610 10.0 3.0 3.2 28.00 9 x 10 x 5.9
784776112 12.0 2.7 3.2 33.00 9 x 10 x 5.9
784777082 8.2 2.0 2.8 97.50 7.3 x 7.3 x 4.3
784778082 8.2 2.2 2.4 86.00 7.3 x 7.3 x 3.5
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