LTC3614 Buck Converter overview

Description

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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: 6

Chip-One-Stop (3)

ProductStockPriceBuy
LTC3614EUDD#PBF23
16.29 USD
104.44 USD
Buy Now
LTC3614EUDD#PBF133
17.77 USD
56.64 USD
106.49 USD
506.11 USD
1005.76 USD
Buy Now
LTC3614IUDD#PBF457
19.55 USD
58.16 USD
107.97 USD
507.51 USD
1007.08 USD
2006.92 USD
Buy Now

DIGI-KEY (6)

ProductStockPriceBuy
LTC3614EUDD#PBF5Buy Now
LTC3614EUDD#PBF793
17.36 USD
254.93 USD
1004.19 USD
Buy Now
LTC3614IUDD#PBF671
18.67 USD
255.80 USD
1004.93 USD
Buy Now
LTC3614HUDD#PBF405
19.62 USD
256.43 USD
1005.46 USD
Buy Now
LTC3614MPUDD#PBF146
119.85 USD
2513.30 USD
10011.31 USD
Buy Now
DC1467A2
1125.63 USD
Buy Now
LTC3614EUDD#TRPBF0
25004.29 USD
Buy Now
LTC3614IUDD#TRPBF0
25005.03 USD
Buy Now
LTC3614HUDD#TRPBF0
25005.56 USD
Buy Now
LTC3614MPUDD#TRPBF0
250011.41 USD
Buy Now

Element14 (4)

ProductStockPriceBuy
LTC3614EUDD#PBF206
111.67 USD
257.83 USD
1006.65 USD
Buy Now
LTC3614HUDD#PBF108
115.26 USD
2510.20 USD
1008.67 USD
Buy Now
LTC3614IUDD#PBF24
113.76 USD
259.20 USD
1007.82 USD
Buy Now
LTC3614MPUDD#PBF12
131.49 USD
2521.10 USD
10017.94 USD
Buy Now

FARNELL-ELEMENT14 (4)

ProductStockPriceBuy
LTC3614EUDD#PBF206Buy Now
LTC3614HUDD#PBF108Buy Now
LTC3614IUDD#PBF24Buy Now
LTC3614MPUDD#PBF12Buy Now

NEWARK (1)

ProductStockPriceBuy
LTC3614EUDD#PBF0
17.38 USD
254.95 USD
1004.19 USD
Buy Now
LTC3614EUDD#TRPBF0
17.15 USD
25005.13 USD
Buy Now
LTC3614HUDD#PBF0
19.61 USD
256.45 USD
1005.46 USD
Buy Now
LTC3614IUDD#PBF0
18.68 USD
255.82 USD
1004.93 USD
Buy Now
LTC3614IUDD#TRPBF0
18.41 USD
25006.04 USD
Buy Now
LTC3614MPUDD#PBF73
111.31 USD
2511.31 USD
10011.31 USD
Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LTC3614EUDD#PBF96Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3614 stock available

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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