LTC3613 Buck Converter overview

Description

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Category
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LTC3613 is a 24.00 V sync Buck Converter from with 15.00 A output current. The maximum 24.00 V input voltage can be regulated down into a 0.60 V to 5.50 V output voltage.

It requires are a typical inductor size of 0.47 µH, a typical external component count of 19 and achieves a peak efficiency of 91 %. Further LTC3613 characteristics are a adjustable 1000 kHz switching frequency and 1 available package option(s): QFN-56 .

For the LTC3613 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. 4.50 V
V-IN max. 24.00 V
I-OUT? 15.00 A
V-OUT min. 0.60 V
V-OUT max. 5.50 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 200 kHz
Frequency adj./ ext.clock max 1000 kHz
Softstart yes
Softstart adjustable yes
Tracking yes
PG/Power OK yes
Quiescent current max. 4000 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 0.47 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 91 %
Component count min. 19
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN QFN-56
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3613 Datasheet

Link to the most up-to-date LTC3613 datasheet and the product page for EVM, tools and support information.

LTC3613

LTC3613 Sample stock and distributor price breaks

LTC3613 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 2

Digi-Key (2)

ProductStockPriceBuy
LTC3613IWKH#PBF96
119.54 USD
2516.34 USD
10013.88 USD
Buy Now
LTC3613EWKH#PBF5
117.00 USD
2514.21 USD
10012.08 USD
Buy Now
LTC3613EWKH#TRPBF0
200012.18 USD
Buy Now
LTC3613IWKH#TRPBF0
200013.98 USD
Buy Now
DC1700A0
1153.00 USD
Buy Now
LTC3613EWKH0
00.00 USD
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LTC3613IWKH0
00.00 USD
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Mouser Electronics (1)

ProductStockPriceBuy
LTC3613EWKH#PBF40
117.41 USD
1016.50 USD
2514.56 USD
10012.39 USD
Buy Now
LTC3613IWKH#PBFNone
8016.75 USD
12014.23 USD
Buy Now
LTC3613EWKH#TRPBFNone
200012.49 USD
Buy Now
LTC3613IWKH#TRPBFNone
200014.33 USD
Buy Now

Available Distributors without stock: 2

Farnell Element14 (0)

ProductStockPriceBuy
LTC3613EWKH#PBF0Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 4

Arrow Electronics

ProductStockPriceBuy
LTC3613EWKH#PBF 69
113.93 $
10011.84 $
Buy Now
LTC3613IWKH#PBF 58
116.02 $
10013.61 $
Buy Now
LTC3613EWKH#PBF 54
113.93 $
10011.84 $
Buy Now
LTC3613IWKH#TRPBF 0
10013.71 $
Buy Now
LTC3613EWKH#TRPBF 0
10011.94 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3613IWKH#PBF 96
10011.85 €
2513.95 €
116.68 €
Buy Now
LTC3613EWKH#PBF 5
10010.31 €
2512.13 €
114.51 €
Buy Now
LTC3613EWKH#TRPBF 0
200010.40 €
Buy Now
LTC3613IWKH#TRPBF 0
200011.94 €
Buy Now
DC1700A 0
1130.63 €
Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LTC3613EWKH#PBF 40
116.99 $
1016.10 $
2514.21 $
10012.08 $
Buy Now
LTC3613IWKH#PBF 0
8016.34 $
12013.88 $
Buy Now
LTC3613EWKH#TRPBF 0
200012.18 $
Buy Now
LTC3613IWKH#TRPBF 0
200013.98 $
Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LTC3613EWKH#PBF 32
2011.44 $
413.20 $
117.60 $
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3613. Optional, compare LTC3613 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
50% TPS54020 TPS54020 product overviewTPS54020 product overview Texas Instruments VQFN-15

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3613.

V-IN max. 24 V, I-OUT 15 A, V-OUT min. 0.6 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
744302015 0.2 30.0 32.0 0.24 6.95 x 6.8 x 4.7
744303012 0.1 31.0 55.0 0.33 10 x 6.8 x 5
744303015 0.2 31.0 42.0 0.33 10 x 6.8 x 5
744304016 0.2 26.0 32.0 0.17 11.5 x 11.8 x 4
744307012 0.1 29.0 48.0 0.33 7.4 x 7.2 x 7.2
744307016 0.2 29.0 41.0 0.33 7.4 x 7.2 x 7.2
744308015 0.2 27.0 58.0 0.37 10.1 x 7 x 7
7443081018 0.2 38.0 60.0 0.29 9.4 x 6.2 x 8.1
744310013 0.1 22.0 48.0 0.91 7 x 6.9 x 3.3
744325016 0.2 25.0 58.0 0.51 10.5 x 10.2 x 5
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
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