LTC3613 Buck Converter overview

Description

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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: 5

ARROW-NAC (3)

ProductStockPriceBuy
LTC3613IWKH#PBF70
116.02 USD
10013.61 USD
Buy Now
LTC3613EWKH#PBF115
113.93 USD
10011.84 USD
Buy Now
LTC3613EWKH#PBF387
113.93 USD
10011.84 USD
Buy Now

Chip-One-Stop (3)

ProductStockPriceBuy
LTC3613EWKH#PBF594
118.40 USD
518.00 USD
1017.10 USD
2516.70 USD
5015.90 USD
10015.50 USD
Buy Now
LTC3613EWKH#PBF594
118.40 USD
518.00 USD
1017.10 USD
2516.70 USD
5015.90 USD
10015.50 USD
Buy Now
LTC3613IWKH#PBF120
120.80 USD
520.30 USD
1019.40 USD
2518.90 USD
5017.90 USD
10017.50 USD
Buy Now

DIGI-KEY (2)

ProductStockPriceBuy
LTC3613EWKH#PBF274
116.66 USD
2513.93 USD
10011.84 USD
Buy Now
LTC3613IWKH#PBF78
119.16 USD
2516.02 USD
10013.61 USD
Buy Now
LTC3613EWKH#TRPBF0
200011.94 USD
Buy Now
LTC3613IWKH#TRPBF0
200013.71 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC3613EWKH#PBF42
126.62 USD
2522.26 USD
10018.92 USD
Buy Now

FARNELL-ELEMENT14 (1)

ProductStockPriceBuy
LTC3613EWKH#PBF42Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3613 stock available

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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