LTC3614 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC3614 is a 5.50 V sync Buck Converter from with 4.00 A output current. The maximum 5.50 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 0.33 µH, a typical external component count of 5 and achieves a peak efficiency of 95 %. Further LTC3614 characteristics are a adjustable 1000 kHz switching frequency and 1 available package option(s): QFN-24 .

For the LTC3614 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. 2.25 V
V-IN max. 5.50 V
I-OUT? 4.00 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. 800 kHz
Frequency adj./ ext.clock max 2700 kHz
Softstart yes
Softstart adjustable yes
Tracking yes
PG/Power OK yes
Quiescent current max. -1100 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 160 °C
Inductor size typ. 0.33 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 5
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN QFN-24
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3614 Datasheet

Link to the most up-to-date LTC3614 datasheet and the product page for EVM, tools and support information.

LTC3614

LTC3614 Sample stock and distributor price breaks

LTC3614 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC3614 stock available

Available Distributors with stock: 6

Arrow Electronics

ProductStockPriceBuy
LTC3614IUDD#PBF 137
10004.58 $
5004.76 $
2504.86 $
1004.93 $
256.20 $
19.34 $
Buy Now
LTC3614EUDD#PBF 0
10003.89 $
5004.05 $
2504.13 $
1004.19 $
255.26 $
17.93 $
Buy Now
LTC3614IUDD#TRPBF 0
25005.03 $
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LTC3614HUDD#TRPBF 0
25005.56 $
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LTC3614EUDD#TRPBF 0
25004.29 $
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LTC3614HUDD#PBF 0
10005.07 $
5005.28 $
2505.40 $
1005.46 $
736.88 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3614EUDD#TRPBF 1501
1004.27 €
255.17 €
17.78 €
Buy Now
LTC3614EUDD#TRPBF 1501
1004.27 €
255.17 €
17.78 €
Buy Now
LTC3614HUDD#PBF 1044
1005.29 €
256.40 €
19.63 €
Buy Now
LTC3614IUDD#PBF 444
1004.77 €
255.77 €
18.69 €
Buy Now
LTC3614EUDD#PBF 250
1004.05 €
254.90 €
17.37 €
Buy Now
DC1467A 2
1111.18 €
Buy Now
LTC3614EUDD#TRPBF 0
25003.84 €
Buy Now
LTC3614MPUDD#PBF 0
10010.61 €
2512.83 €
116.04 €
Buy Now
LTC3614IUDD#TRPBF 0
25004.52 €
Buy Now
LTC3614HUDD#TRPBF 0
25005.01 €
Buy Now
LTC3614MPUDD#TRPBF 0
250010.29 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3614EUDD#PBF 2205
2504.02 $
1004.12 $
254.99 $
37.52 $
Buy Now
LTC3614IUDD#PBF 137
10004.58 $
5004.76 $
2504.86 $
1004.93 $
256.20 $
29.34 $
Buy Now

Quest Components

ProductStockPriceBuy
LTC3614IUDD#PBF 20
45.48 $
27.30 $
110.95 $
Buy Now
LTC3614IUDD#PBF 817
3085.93 $
1386.52 $
111.85 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3614EUDD#PBF 133
104.33 GBP
253.66 GBP
503.31 GBP
733.17 GBP
Buy Now
LTC3614EUDD#PBF 133
13.86 GBP
104.33 GBP
253.66 GBP
503.31 GBP
733.17 GBP
Buy Now
LTC3614EUDD#PBF 0
13.93 GBP
3654.50 GBP
7304.10 GBP
Buy Now
show stock=0hide stock=0

Pulp Electronics

ProductStockPriceBuy
LTC3614EUDD#PBF 10052
LTC3614IUDD#PBF 6800

Available Distributors without stock: 3

Richardson RFPD

ProductStockPriceBuy
LTC3614HUDD#PBF 0
736.42 $
1006.06 $
5005.90 $
10005.74 $
50005.53 $
Buy Now
LTC3614EUDD#PBF 0
1464.65 $
5004.52 $
10004.41 $
50004.23 $
Buy Now
LTC3614MPUDD#TRPBF 0
250011.94 $
500011.50 $
Buy Now
LTC3614EUDD#TRPBF 0
25004.47 $
50004.30 $
Buy Now
LTC3614HUDD#TRPBF 0
25005.81 $
50005.59 $
Buy Now
LTC3614IUDD#TRPBF 0
25005.24 $
50005.05 $
Buy Now
LTC3614MPUDD#PBF 0
7313.26 $
10012.53 $
50012.19 $
100011.86 $
500011.41 $
Buy Now
LTC3614IUDD#PBF 0
735.79 $
1005.47 $
5005.32 $
10005.18 $
50004.99 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC3614HUDD#PBF 0
5008.50 SGD
2508.69 SGD
1009.15 SGD
2511.07 SGD
116.65 SGD
Buy Now
LTC3614EUDD#PBF 0
5006.51 SGD
2506.66 SGD
1007.01 SGD
258.48 SGD
112.76 SGD
Buy Now
LTC3614IUDD#PBF 0
5007.66 SGD
2507.84 SGD
1008.25 SGD
259.98 SGD
115.01 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3614HUDD#PBF 0
2504.45 GBP
1004.69 GBP
504.92 GBP
256.63 GBP
107.36 GBP
17.92 GBP
Buy Now
LTC3614EUDD#PBF 0
1003.42 GBP
253.75 GBP
16.13 GBP
Buy Now
LTC3614MPUDD#PBF 0
16.58 GBP
Buy Now
LTC3614IUDD#PBF 0
5003.60 GBP
2503.71 GBP
1003.82 GBP
503.92 GBP
254.03 GBP
106.02 GBP
16.55 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3614. Optional, compare LTC3614 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ISL8016 ISL8016 product overviewISL8016 product overview Intersil QFN-20
0% LTC3616 LTC3616 product overviewLTC3616 product overview Linear Technology QFN-24
0% TPS54623 TPS54623 product overviewTPS54623 product overview Texas Instruments QFN-14
25% LT3690 LT3690 product overviewLT3690 product overview Linear Technology QFN-26
25% LTC3612 LTC3612 product overviewLTC3612 product overview Linear Technology TSSOP-20, QFN-20

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3614.

V-IN max. 5.5 V, I-OUT 4 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)
744040520047 0.5 4.9 8.0 13.90 5 x 5 x 2
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
744089420039 0.4 4.2 10.3 15.00 4.8 x 4.8 x 3.1
744089420056 0.6 4.1 8.3 15.60 4.8 x 4.8 x 3.1
744089430039 0.4 4.2 9.3 13.50 4.8 x 4.8 x 4.1
744373210047 0.5 5.4 9.0 18.00 4.45 x 4.06 x 1.2
744373240056 0.6 6.0 10.5 13.50 4.45 x 4.06 x 2
744383340047 0.5 4.0 9.4 22.00 3 x 3 x 1.2
744383350047 0.5 4.6 5.8 20.00 3 x 3 x 1.5
744383360047 0.5 4.8 8.0 18.00 3 x 3 x 2
744383560056 0.6 8.5 10.8 7.00 4.1 x 4.1 x 2.1
744778005 0.5 5.6 9.0 7.20 7.3 x 7.3 x 3.4
784383340047 0.5 4.0 9.4 22.00 3 x 3 x 1.2
784383350047 0.5 4.6 5.8 20.00 3 x 3 x 1.5
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