LTC3630 Buck Converter overview

Description

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LTC3630 is a 65.00 V sync Buck Converter from with 0.50 A output current. The maximum 65.00 V input voltage can be regulated down into a 0.80 V to 65.00 V output voltage.

It requires are a typical inductor size of 47.00 µH, a typical external component count of 6 and achieves a peak efficiency of 90 %. Further LTC3630 characteristics are a fixed 40 kHz switching frequency and 2 available package option(s): MSOP-16 DFN-16 .

For the LTC3630 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. 4.00 V
V-IN max. 65.00 V
I-OUT? 0.50 A
V-OUT min. 0.80 V
V-OUT max. 65.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 40 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 270 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 180 °C
Inductor size typ. 47.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 90 %
Component count min. 6
current limit adjustable yes
Nr.of packages 2
CSP
SC70
SOT
MSOP MSOP-16
QFN/DFN DFN-16
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3630 Datasheet

Link to the most up-to-date LTC3630 datasheet and the product page for EVM, tools and support information.

LTC3630

LTC3630 Sample stock and distributor price breaks

LTC3630 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with LTC3630 stock available

Available Distributors with stock: 0

no online Distributor with LTC3630 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3630. Optional, compare LTC3630 side-by-side with other Buck Converter via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3630.

V-IN max. 65 V, I-OUT 0.5 A, V-OUT min. 0.8 V, Frequency typ. 40 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052101 100.0 0.6 0.6 1,090.00 5 x 5 x 2
74404054101 100.0 0.7 0.8 560.00 5 x 5 x 4
74404063101 100.0 0.7 0.7 500.00 6 x 6 x 2.8
74404064101 100.0 0.8 1.0 433.00 6 x 6 x 4.5
74404064121 120.0 0.8 1.0 520.00 6 x 6 x 4.5
74404064151 150.0 0.8 0.9 570.00 6 x 6 x 4.5
744065101 100.0 1.0 0.9 365.00 10 x 10 x 3.1
744065121 120.0 0.9 0.9 428.00 10 x 10 x 3.1
744065151 150.0 0.9 0.8 530.00 10 x 10 x 3.1
744066101 100.0 1.2 1.2 255.00 10 x 10 x 4.1
744066151 150.0 1.0 1.1 350.00 10 x 10 x 4.1
744071101 100.0 1.0 0.9 270.00 8 x 8 x 4.6
74408943101 100.0 0.5 0.7 770.00 4.8 x 4.8 x 4.1
744732121 120.0 1.0 1.1 340.00 9 x 9 x 8
744741101 100.0 1.1 0.9 420.00 8 x 8 x 6
7447462101 100.0 0.8 0.8 450.00 5.5 x 5.5 x 8.5
7447471151 150.0 1.4 1.2 210.00 10.5 x 10.5 x 11.5
7447713151 150.0 0.7 1.1 570.00 10 x 10 x 3
7447720151 150.0 1.1 1.2 243.00 7.8 x 7.8 x 10
744772121 120.0 0.9 1.0 181.00 7.8 x 7.8 x 10
74477520 100.0 0.8 0.9 248.20 7 x 7.8 x 5.5
744775210 120.0 0.7 0.8 308.00 7 x 7.8 x 5.5
744775215 150.0 0.6 0.7 466.60 7 x 7.8 x 5.5
74477620 100.0 1.0 1.1 200.00 9 x 10 x 5.9
744776212 120.0 0.9 1.0 243.00 9 x 10 x 5.9
744776215 150.0 0.8 0.9 300.00 9 x 10 x 5.9
74477720 100.0 0.8 0.8 290.00 7.3 x 7.3 x 4.5
744777212 120.0 0.7 0.7 400.00 7.3 x 7.3 x 4.5
744777215 150.0 0.5 0.6 660.00 7.3 x 7.3 x 4.5
744777920 100.0 0.8 0.8 290.00 7.3 x 7.3 x 4.5
7447779212 120.0 0.7 0.7 396.00 7.3 x 7.3 x 4.5
7447779215 150.0 0.5 0.6 529.00 7.3 x 7.3 x 4.5
74477820 100.0 0.6 0.8 585.00 7.3 x 7.3 x 3.4
744778212 120.0 0.6 0.7 634.00 7.3 x 7.3 x 3.4
744778920 100.0 0.6 0.8 585.00 7.3 x 7.3 x 3.5
7447789212 120.0 0.6 0.7 563.00 7.3 x 7.3 x 3.5
744787101 100.0 1.0 0.9 396.00 7.8 x 7 x 5
744787121 120.0 0.7 0.8 545.00 7.8 x 7 x 5
744787151 150.0 0.7 0.7 610.00 7.8 x 7 x 5
78477420 100.0 0.6 0.7 510.00 5.2 x 5.8 x 4.85
78477520 100.0 0.8 0.9 281.00 7 x 7.8 x 5.5
784775212 120.0 0.7 0.8 340.00 7 x 7.8 x 5.5
784775215 150.0 0.6 0.7 467.00 7 x 7.8 x 5.5
78477620 100.0 1.0 1.1 200.00 9 x 10 x 5.9
784776212 120.0 0.9 1.0 243.00 9 x 10 x 5.9
784776215 150.0 0.8 0.9 300.00 9 x 10 x 5.9
784777101 100.0 0.7 0.8 390.00 7.3 x 7.3 x 4.3
784778101 100.0 0.7 0.8 600.00 7.3 x 7.3 x 3.5
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