LTC3626 Buck Converter overview

Description

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Category
Sub-Category

LTC3626 is a 20.00 V sync Buck Converter from with 2.50 A output current. The maximum 20.00 V input voltage can be regulated down into a 0.60 V to 19.40 V output voltage.

It requires are a typical inductor size of 2.20 µH, a typical external component count of 11 and achieves a peak efficiency of 95 %. Further LTC3626 characteristics are a adjustable 2000 kHz switching frequency and 1 available package option(s): QFN-20 .

For the LTC3626 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. 3.60 V
V-IN max. 20.00 V
I-OUT? 2.50 A
V-OUT min. 0.60 V
V-OUT max. 19.40 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 2000 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 500 kHz
Frequency adj./ ext.clock max 3000 kHz
Softstart yes
Softstart adjustable yes
Tracking yes
PG/Power OK yes
Quiescent current max. 1200 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 175 °C
Inductor size typ. 2.20 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 11
current limit adjustable yes
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN QFN-20
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3626 Datasheet

Link to the most up-to-date LTC3626 datasheet and the product page for EVM, tools and support information.

LTC3626

LTC3626 Sample stock and distributor price breaks

LTC3626 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 4

ARROW-NAC (2)

ProductStockPriceBuy
LTC3626EUDC#PBF66
14.93 USD
1004.19 USD
Buy Now
LTC3626IUDC#PBF209
3644.82 USD
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Chip-One-Stop (4)

ProductStockPriceBuy
LTC3626EUDC#PBF310
16.74 USD
104.75 USD
504.59 USD
1824.50 USD
Buy Now
LTC3626EUDC#PBF474
17.77 USD
56.64 USD
106.49 USD
506.11 USD
1005.76 USD
2005.63 USD
Buy Now
LTC3626IUDC#PBF41
18.63 USD
57.37 USD
107.20 USD
Buy Now
LTC3626IUDC#PBF264
15.61 USD
255.41 USD
504.94 USD
1004.58 USD
2004.39 USD
Buy Now

DIGI-KEY (2)

ProductStockPriceBuy
LTC3626EUDC#PBF359
17.36 USD
254.93 USD
1004.19 USD
Buy Now
LTC3626IUDC#PBF182
18.47 USD
255.67 USD
1004.82 USD
Buy Now
LTC3626EUDC#TRPBF0
25004.29 USD
Buy Now
LTC3626IUDC#TRPBF0
25004.92 USD
Buy Now

NEWARK (1)

ProductStockPriceBuy
LTC3626EUDC#PBF13
14.19 USD
254.19 USD
1004.19 USD
Buy Now
LTC3626IUDC#PBF0
18.49 USD
255.69 USD
1004.82 USD
Buy Now

Available Distributors without stock: 1

Element14 (0)

ProductStockPriceBuy
LTC3626EUDC#PBF0
111.77 USD
257.88 USD
1006.70 USD
Buy Now
LTC3626IUDC#PBF0
113.54 USD
259.06 USD
1007.71 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3626 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3626. Optional, compare LTC3626 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 LTC3626.

V-IN max. 20 V, I-OUT 2.5 A, V-OUT min. 0.6 V, Frequency typ. 2000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402500047 0.5 3.3 4.7 19.00 2.8 x 2.8 x 3
744040240047 0.5 2.9 5.2 32.00 2.5 x 2 x 1.2
744040410047 0.5 3.3 4.3 28.00 4 x 4 x 1.2
74404300033 0.3 4.0 6.0 8.00 4.8 x 4.8 x 3
74404300047 0.5 3.8 5.0 10.00 4.8 x 4.8 x 3
74406900052 0.5 4.3 5.8 15.00 8 x 8 x 1.5
74407000047 0.5 7.8 6.5 5.80 8 x 8 x 2
744383230033 0.3 3.4 6.2 29.00 2.5 x 2 x 1
744383230047 0.5 3.2 5.5 37.00 2.5 x 2 x 1
744383240047 0.5 3.4 6.3 30.00 2.5 x 2 x 1.2
744383350047 0.5 4.6 5.8 20.00 3 x 3 x 1.5
744383430033 0.3 2.5 5.9 40.00 2.5 x 1.6 x 0.6
74479275147 0.5 2.6 3.3 38.00 2 x 1.25 x 1
74479276147 0.5 2.9 4.2 34.00 2 x 1.6 x 1
74479276147C 0.5 2.7 4.5 33.00 2 x 1.25 x 1
74479287147 0.5 3.3 5.0 25.00 2.5 x 2 x 1
74479288147 0.5 3.1 6.0 28.00 2.5 x 2 x 1.2
74479298147 0.5 3.0 4.5 28.00 3.2 x 2.5 x 1
74479299147 0.5 3.6 6.3 25.00 3.2 x 2.5 x 1.2
74479976133 0.3 3.4 3.7 18.00 2 x 1.6 x 0.5
74479976147A 0.5 3.0 3.4 20.00 2 x 1.6 x 0.5
784383230033 0.3 3.4 6.2 29.00 2.5 x 2 x 1
784383230047 0.5 3.2 5.5 37.00 2.5 x 2 x 1
784383350047 0.5 4.6 5.8 20.00 3 x 3 x 1.5
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