LTC3612 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC3612 is a 5.50 V sync Buck Converter from with 3.00 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 0.56 µH, a typical external component count of 5 and achieves a peak efficiency of 95 %. Further LTC3612 characteristics are a adjustable 1000 kHz switching frequency and 2 available package option(s): QFN-20 TSSOP-20 .

For the LTC3612 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? 3.00 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. 0.56 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 2
CSP
SC70
SOT
MSOP
QFN/DFN QFN-20
SO/SOIC
SOP TSSOP-20
DIP
TO
DDPAK

LTC3612 Datasheet

Link to the most up-to-date LTC3612 datasheet and the product page for EVM, tools and support information.

LTC3612

LTC3612 Sample stock and distributor price breaks

LTC3612 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 7

ARROW-NAC (5)

ProductStockPriceBuy
LTC3612HUDC#PBF55
915.64 USD
1824.80 USD
Buy Now
LTC3612IUDC#PBF485
15.22 USD
1004.43 USD
Buy Now
LTC3612IFE#PBF108
15.46 USD
1004.64 USD
Buy Now
LTC3612EUDC#PBF6881
14.43 USD
1003.76 USD
Buy Now
LTC3612MPUDC#PBF91
114.07 USD
10011.96 USD
Buy Now

Chip-One-Stop (9)

ProductStockPriceBuy
LTC3612EFE#PBF88
16.23 USD
504.17 USD
Buy Now
LTC3612EFE#PBF78
17.06 USD
56.03 USD
105.89 USD
505.55 USD
Buy Now
LTC3612EFE#TRPBF2500
25004.29 USD
Buy Now
LTC3612EUDC#PBF125
15.27 USD
103.98 USD
Buy Now
LTC3612EUDC#PBF11504
17.29 USD
56.23 USD
106.08 USD
505.74 USD
1005.41 USD
2005.28 USD
Buy Now
LTC3612HUDC#PBF364
15.58 USD
255.37 USD
504.91 USD
1004.55 USD
2004.36 USD
Buy Now
LTC3612IFE#PBF116
18.31 USD
57.10 USD
106.93 USD
506.53 USD
1006.16 USD
Buy Now
LTC3612IUDC#PBF1400
18.23 USD
57.03 USD
106.87 USD
506.47 USD
1006.10 USD
2005.96 USD
Buy Now
LTC3612MPUDC#PBF91
113.90 USD
511.40 USD
5011.30 USD
Buy Now

DIGI-KEY (7)

ProductStockPriceBuy
LTC3612EUDC#PBF914
16.63 USD
254.43 USD
1003.76 USD
Buy Now
LTC3612EFE#PBF1027
16.93 USD
254.64 USD
1003.95 USD
Buy Now
LTC3612IUDC#PBF620
17.79 USD
255.22 USD
1004.43 USD
Buy Now
LTC3612HUDC#PBF439
18.42 USD
255.64 USD
1004.80 USD
Buy Now
LTC3612HFE#PBF314
18.92 USD
255.93 USD
1005.04 USD
Buy Now
LTC3612IFE#PBF60
18.17 USD
255.46 USD
1004.64 USD
Buy Now
LTC3612MPUDC#PBF0
116.88 USD
2514.07 USD
10011.96 USD
Buy Now
LTC3612MPFE#PBF19
117.79 USD
2514.86 USD
10012.63 USD
Buy Now
LTC3612EUDC#TRPBF0
25003.86 USD
Buy Now
LTC3612EFE#TRPBF0
25004.05 USD
Buy Now
LTC3612IUDC#TRPBF0
25004.53 USD
Buy Now
LTC3612IFE#TRPBF0
25004.74 USD
Buy Now
LTC3612HUDC#TRPBF0
25004.90 USD
Buy Now
LTC3612HFE#TRPBF0
25005.14 USD
Buy Now
LTC3612MPUDC#TRPBF0
250012.06 USD
Buy Now
LTC3612MPFE#TRPBF0
250012.73 USD
Buy Now

Element14 (5)

ProductStockPriceBuy
LTC3612EFE#PBF0
111.08 USD
257.42 USD
1006.32 USD
Buy Now
LTC3612HFE#PBF65
114.25 USD
259.48 USD
1008.06 USD
Buy Now
LTC3612HUDC#PBF52
113.46 USD
259.02 USD
1007.67 USD
Buy Now
LTC3612IFE#PBF5
113.06 USD
258.73 USD
1007.42 USD
Buy Now
LTC3612MPFE#PBF81
128.42 USD
2523.74 USD
10020.18 USD
Buy Now
LTC3612MPUDC#PBF90
126.97 USD
2522.48 USD
10019.11 USD
Buy Now

FARNELL-ELEMENT14 (5)

ProductStockPriceBuy
LTC3612HFE#PBF65Buy Now
LTC3612HUDC#PBF52Buy Now
LTC3612IFE#PBF5Buy Now
LTC3612MPFE#PBF81Buy Now
LTC3612MPUDC#PBF90Buy Now

NEWARK (3)

ProductStockPriceBuy
LTC3612EFE#PBF0
16.96 USD
254.67 USD
1003.95 USD
Buy Now
LTC3612EUDC#PBF0
16.62 USD
254.44 USD
1003.76 USD
Buy Now
LTC3612EUDC#TRPBF0
16.43 USD
25004.61 USD
Buy Now
LTC3612HFE#PBF74
15.04 USD
255.04 USD
1005.04 USD
Buy Now
LTC3612HFE#TRPBF0
18.60 USD
25006.17 USD
Buy Now
LTC3612HUDC#PBF0
18.45 USD
255.67 USD
1004.80 USD
Buy Now
LTC3612IFE#PBF24
14.64 USD
Buy Now
LTC3612IUDC#PBF0
17.80 USD
255.23 USD
1004.43 USD
Buy Now
LTC3612IUDC#TRPBF0
17.57 USD
25005.43 USD
Buy Now
LTC3612MPFE#PBF0
117.81 USD
2514.91 USD
10012.63 USD
Buy Now
LTC3612MPUDC#PBF120
111.96 USD
2511.96 USD
10011.96 USD
Buy Now

RS-COMPONENTS (3)

ProductStockPriceBuy
LTC3612EFE#PBF71Buy Now
LTC3612EUDC#PBF67Buy Now
LTC3612IUDC#PBF9Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3612 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3612. Optional, compare LTC3612 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% LTC3614 LTC3614 product overviewLTC3614 product overview Linear Technology QFN-24
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% LTC3604 LTC3604 product overviewLTC3604 product overview Linear Technology QFN-16, MSOP-16
25% LTC3626 LTC3626 product overviewLTC3626 product overview Linear Technology QFN-20

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3612.

V-IN max. 5.5 V, I-OUT 3 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)
74402500047 0.5 3.3 4.7 19.00 2.8 x 2.8 x 3
74402500072 0.7 3.0 4.0 23.50 2.8 x 2.8 x 3
744040410047 0.5 3.3 4.3 28.00 4 x 4 x 1.2
74404300047 0.5 3.8 5.0 10.00 4.8 x 4.8 x 3
74404300082 0.8 3.5 3.7 14.00 4.8 x 4.8 x 3
74406800056 0.6 3.4 4.0 22.00 8 x 8 x 1.2
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
74407000082 0.8 6.2 5.5 8.50 8 x 8 x 2
744089410068 0.7 3.4 6.5 22.10 4.8 x 4.8 x 2.1
744089420082 0.8 3.5 6.7 21.00 4.8 x 4.8 x 3.1
744089430082 0.8 3.4 7.1 17.00 4.8 x 4.8 x 4.1
744383230047 0.5 3.2 5.5 37.00 2.5 x 2 x 1
744383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
744383240047 0.5 3.4 6.3 30.00 2.5 x 2 x 1.2
744383240056 0.6 3.3 6.0 37.00 2.5 x 2 x 1.2
744383240068 0.7 3.2 5.9 45.00 2.5 x 2 x 1.2
744383350047 0.5 4.6 5.8 20.00 3 x 3 x 1.5
744383350082 0.8 3.5 7.0 30.00 3 x 3 x 1.5
744383360068 0.7 4.5 6.2 22.00 3 x 3 x 2
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
784383230047 0.5 3.2 5.5 37.00 2.5 x 2 x 1
784383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
784383350047 0.5 4.6 5.8 20.00 3 x 3 x 1.5
784383350082 0.8 3.5 7.0 30.00 3 x 3 x 1.5
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Last Tweets
With the help of #OEMsecrets we show for all Selectors and products worldwide distributor inventory and prices. https://t.co/udaDPmshky
Update for the DC/DC Buck-Boost Converter Selector with additional products, fresh equivalent suggestions and more: https://t.co/C8PXhcizYQ
Meet us at the Electronica Tradeshow in Munich, appointments under info@dcdcselector.com https://t.co/1uiualLN1x
Feedback
ajax-loader.gif
Loading. Please wait.