LT3663-5.0 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT3663-5.0 is a 36.00 V non-sync Buck Converter from with 1.20 A output current. The maximum 36.00 V input voltage can be regulated down into a 5.00 V to 5.00 V output voltage.

It requires are a typical inductor size of 6.80 µH, a typical external component count of 6 and achieves a peak efficiency of 86 %. Further LT3663-5.0 characteristics are a fixed 1500 kHz switching frequency and 1 available package option(s): DFN-8 .

For the LT3663-5.0 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. 7.50 V
V-IN max. 36.00 V
I-OUT? 1.20 A
V-OUT min. 5.00 V
V-OUT max. 5.00 V
V-OUT 5.000 V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 1500 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 3200 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ.
Inductor size typ. 6.80 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 86 %
Component count min. 6
current limit adjustable yes
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

LT3663-5.0 Datasheet

Link to the most up-to-date LT3663-5.0 datasheet and the product page for EVM, tools and support information.

LT3663-5.0

LT3663-5.0 Sample stock and distributor price breaks

LT3663-5.0 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LT3663 stock available

Available Distributors with stock: 6

Arrow Electronics

ProductStockPriceBuy
LT3663IMS8E-5#TRPBF 528
1003.82 $
Buy Now
LT3663IMS8E-5#PBF 33
5003.59 $
2503.68 $
1003.72 $
254.68 $
17.05 $
Buy Now
LT3663EDCB#TRMPBF 1
15002.79 $
5002.87 $
2502.89 $
1003.04 $
254.00 $
16.03 $
Buy Now
LT3663IMS8E-5#TRPBF 0
25003.82 $
Buy Now
LT3663EDCB#TRMPBF 0
15002.82 $
5002.87 $
Buy Now
LT3663HMS8E#TRPBF 0
25004.12 $
Buy Now
LT3663EDCB#PBF 0 Buy Now
LT3663EMS8E-5#TRPBF 0
25003.26 $
Buy Now
LT3663EMS8E-3.3#TRPBF 0
25003.26 $
Buy Now
LT3663HMS8E-5#PBF 0
1504.02 $
Buy Now
LT3663IMS8E#PBF 0
10003.45 $
5003.58 $
2503.67 $
1503.72 $
Buy Now
LT3663EMS8E#TRPBF 0
25003.26 $
Buy Now
LT3663IDCB#TRPBF 0
25003.57 $
Buy Now
LT3663IMS8E-3.3#TRPBF 0
25003.82 $
Buy Now
LT3663IMS8E#TRPBF 0
25003.82 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3663EDCB#TRPBF 15686
1003.06 €
253.71 €
15.58 €
Buy Now
LT3663EDCB#TRPBF 15686
1003.06 €
253.71 €
15.58 €
Buy Now
LT3663EDCB#TRPBF 12500
25002.78 €
Buy Now
LT3663EDCB#TRMPBF 439
1003.12 €
253.77 €
15.68 €
Buy Now
LT3663EDCB#TRMPBF 439
1003.12 €
253.77 €
15.68 €
Buy Now
LT3663EMS8E-5#PBF 210
1003.09 €
253.73 €
15.63 €
Buy Now
LT3663IMS8E-5#PBF 207
1003.64 €
254.40 €
16.63 €
Buy Now
LT3663EMS8E#PBF 187
1003.09 €
253.73 €
15.63 €
Buy Now
LT3663EMS8E-3.3#PBF 135
1003.09 €
253.73 €
15.63 €
Buy Now
LT3663IMS8E#PBF 51
1003.64 €
254.40 €
16.63 €
Buy Now
DC1570A-B 5
166.97 €
Buy Now
DC1570A-A 5
166.97 €
Buy Now
DC1419A 2
166.97 €
Buy Now
LT3663HMS8E-3.3#PBF 1
1003.93 €
254.75 €
17.15 €
Buy Now
LT3663EDCB#TRMPBF 0
5002.83 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT3663IMS8E-5#PBF 33
5003.59 $
2503.68 $
1003.72 $
254.68 $
27.05 $
Buy Now
LT3663IMS8E#PBF 7
1003.85 $
254.43 $
36.67 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT3663EMS8E#PBF 1162
16.29 $
254.17 $
1003.45 $
2503.28 $
5003.20 $
10003.08 $
Buy Now
LT3663EMS8E-5#PBF 391
16.29 $
254.17 $
1003.45 $
2503.28 $
5003.20 $
10003.08 $
Buy Now
LT3663IMS8E#PBF 130
17.41 $
254.92 $
1004.06 $
2503.86 $
5003.77 $
10003.63 $
Buy Now
LT3663EDCB#TRMPBF 15
16.35 $
254.21 $
1003.48 $
2503.31 $
5003.02 $
15002.94 $
Buy Now

RS Components

ProductStockPriceBuy
LT3663EMS8E#PBF 0
13.37 GBP
Buy Now
LT3663EMS8E#PBF 62
104.83 GBP
253.37 GBP
502.98 GBP
1002.56 GBP
Buy Now
LT3663EMS8E#PBF 62
15.08 GBP
104.83 GBP
253.37 GBP
502.98 GBP
1002.56 GBP
Buy Now
show stock=0hide stock=0

Classic Components

ProductStockPriceBuy
LT3663EDCB#PBF 19

Available Distributors without stock: 1

Farnell element14

ProductStockPriceBuy
LT3663EMS8E#PBF 0
5002.59 GBP
2502.61 GBP
1002.63 GBP
502.64 GBP
252.66 GBP
103.98 GBP
14.42 GBP
Buy Now
LT3663EMS8E-3.3#PBF 0
1002.58 GBP
252.90 GBP
14.80 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT3663-5.0. Optional, compare LT3663-5.0 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1076-5.0 LT1076-5.0 product overviewLT1076-5.0 product overview Linear Technology DD, TO-220

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3663-5.0.

V-IN max. 36 V, I-OUT 1.2 A, V-OUT min. 5 V, Frequency typ. 1500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025004 4.7 1.4 1.7 100.00 2.8 x 2.8 x 3
74404041047 4.7 1.6 1.9 91.00 4 x 4 x 1.2
74404042047 4.7 1.7 2.2 70.00 4 x 4 x 1.8
74404042068 6.8 1.5 1.8 98.00 4 x 4 x 1.8
74404052047 4.7 2.3 2.7 55.90 5 x 5 x 2
74404052056 5.6 2.1 2.6 67.50 5 x 5 x 2
74404052068 6.8 1.9 2.4 82.70 5 x 5 x 2
74404052075 7.5 1.7 2.1 96.80 5 x 5 x 2
74404063068 6.8 2.4 2.8 47.00 6 x 6 x 2.8
744042004 4.7 1.7 1.7 70.00 4.8 x 4.8 x 2
744043004 4.7 1.6 1.7 50.00 4.8 x 4.8 x 3
744045004 4.7 1.2 2.0 120.00 4.5 x 3.2 x 2.9
744052005 5.0 1.7 1.8 50.00 5.8 x 5.8 x 2
744052006 6.2 1.5 1.6 70.00 5.8 x 5.8 x 2
744052007 7.5 1.4 1.5 70.00 5.8 x 5.8 x 2
7440530047 4.7 2.4 2.0 30.00 5.8 x 5.8 x 3
744053005 5.3 2.3 1.9 30.00 5.8 x 5.8 x 3
744053006 6.2 2.2 1.7 40.00 5.8 x 5.8 x 3
744062005 5.0 2.2 2.0 40.00 6.8 x 6.8 x 2.5
744062006 6.2 1.9 1.8 40.00 6.8 x 6.8 x 2.5
744062007 7.5 1.7 1.6 50.00 6.8 x 6.8 x 2.5
7440680047 4.7 1.9 1.6 72.00 8 x 8 x 1.2
7440690047 4.7 2.2 1.8 56.00 8 x 8 x 1.5
7440690068 6.8 1.8 1.7 88.00 8 x 8 x 1.5
7440700047 4.7 3.0 2.2 37.00 8 x 8 x 2
7440700056 5.6 2.6 2.0 47.00 8 x 8 x 2
7440700068 6.8 2.4 1.8 56.00 8 x 8 x 2
74408941050 5.0 1.4 2.5 140.00 4.8 x 4.8 x 2.1
74408942047 4.7 1.6 2.9 86.80 4.8 x 4.8 x 3.1
74408942068 6.8 1.5 2.4 110.00 4.8 x 4.8 x 3.1
74408943068 6.8 2.0 2.7 51.00 4.8 x 4.8 x 4.1
74437321056 5.6 1.6 2.7 180.00 4.45 x 4.06 x 1.2
74437321068 6.8 1.3 2.4 300.00 4.45 x 4.06 x 1.2
74438335047 4.7 1.5 2.8 141.00 3 x 3 x 1.5
74438336068 6.8 1.6 2.9 168.00 3 x 3 x 2
7447462068 6.8 3.3 3.0 27.00 5.5 x 5.5 x 8.5
744773047 4.7 1.8 2.5 59.00 4 x 4.5 x 3.5
744773056 5.6 1.6 2.4 69.00 4 x 4.5 x 3.5
744773068 6.8 1.5 2.1 76.00 4 x 4.5 x 3.5
7447785004 4.7 2.2 2.5 60.00 5.9 x 6.2 x 3.3
7447785006 6.8 2.3 2.0 79.00 5.9 x 6.2 x 3.3
7447786004 4.7 2.8 2.8 57.00 5.9 x 6.2 x 5.1
7447786006 6.8 2.5 2.3 62.00 5.9 x 6.2 x 5.1
7447789006 6.8 2.5 2.8 41.50 7.3 x 7.3 x 3.5
744779068 6.8 2.2 2.8 27.00 6 x 6 x 6.5
744787068 6.8 3.0 3.0 27.00 7.8 x 7 x 5
78438335047 4.7 1.5 2.8 141.00 3 x 3 x 1.5
784773047 4.7 1.8 2.5 59.00 4 x 4.5 x 3.5
784773056 5.6 1.6 2.4 69.00 4 x 4.5 x 3.5
784773068 6.8 1.5 2.1 76.00 4 x 4.5 x 3.5
784778068 6.8 2.3 2.5 79.00 7.3 x 7.3 x 3.5
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