LTC3630-3.3 Buck Converter overview

Description

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LTC3630-3.3 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 3.30 V to 3.30 V output voltage.

It requires are a typical inductor size of 47.00 µH, a typical external component count of 3 and achieves a peak efficiency of 90 %. Further LTC3630-3.3 characteristics are a fixed 40 kHz switching frequency and 2 available package option(s): MSOP-16 DFN-16 .

For the LTC3630-3.3 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. 3.30 V
V-OUT max. 3.30 V
V-OUT 3.300 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. 3
current limit adjustable yes
Nr.of packages 2
CSP
SC70
SOT
MSOP MSOP-16
QFN/DFN DFN-16
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3630-3.3 Datasheet

Link to the most up-to-date LTC3630-3.3 datasheet and the product page for EVM, tools and support information.

LTC3630-3.3

LTC3630-3.3 Sample stock and distributor price breaks

LTC3630-3.3 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 LTC3630-3.3. Optional, compare LTC3630-3.3 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 LTC3630-3.3.

V-IN max. 65 V, I-OUT 0.5 A, V-OUT min. 3.3 V, Frequency typ. 40 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404064331 330.0 0.5 0.7 1,177.00 6 x 6 x 4.5
74404084331 330.0 0.7 0.9 865.00 8 x 8 x 4.2
744066331 330.0 0.6 0.7 770.00 10 x 10 x 4.1
744732331 330.0 0.6 1.0 940.00 9 x 9 x 8
7447412331 330.0 0.5 0.6 1,250.00 8 x 8 x 6
744743331 330.0 0.7 1.0 970.00 7.5 x 7.5 x 12.5
744743471 470.0 0.6 0.8 1,130.00 7.5 x 7.5 x 12.5
7447452331 330.0 1.1 0.9 420.00 9 x 9 x 13.5
7447452391 390.0 1.0 0.8 470.00 9 x 9 x 13.5
7447471331 330.0 1.0 0.8 400.00 10.5 x 10.5 x 11.5
7447480471 470.0 1.2 1.2 470.00 10 x 10 x 14.5
744770233 330.0 1.1 1.1 349.00 12 x 12 x 8
744770247 470.0 0.9 0.9 496.00 12 x 12 x 8
744771233 330.0 0.8 1.0 442.00 12 x 12 x 6
744771239 390.0 0.7 0.9 590.00 12 x 12 x 6
74477124 470.0 0.6 0.8 660.00 12 x 12 x 6
7447714331 330.0 0.7 1.0 655.00 10 x 10 x 5
7447714471 470.0 0.6 0.8 960.00 10 x 10 x 5
744772331 330.0 0.5 1.0 532.00 7.8 x 7.8 x 10
784770471 470.0 0.8 1.0 475.00 12 x 12 x 8.3
7847709471 470.0 0.9 1.1 410.00 12 x 12 x 10.3
784771471 470.0 0.7 0.8 588.00 12 x 12 x 8.3
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