LT3470 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT3470 is a 40.00 V non-sync Buck Converter from with 0.20 A output current. The maximum 40.00 V input voltage can be regulated down into a 1.25 V to 16.00 V output voltage.

It requires are a typical inductor size of 33.00 µH, a typical external component count of 7 and achieves a peak efficiency of 81 %. Further LT3470 characteristics are a fixed 800 kHz switching frequency and 2 available package option(s): TSOT23-5 DFN-8 .

For the LT3470 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. 4.00 V
V-IN max. 40.00 V
I-OUT? 0.20 A
V-OUT min. 1.25 V
V-OUT max. 16.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 800 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. 18 µA
Operating min. -40 °C
Operating max. 150 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 33.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 81 %
Component count min. 7
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT TSOT23-5
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

LT3470 Datasheet

Link to the most up-to-date LT3470 datasheet and the product page for EVM, tools and support information.

LT3470

LT3470 Sample stock and distributor price breaks

LT3470 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 9

Chip One Stop (8)

ProductStockPriceBuy
LT3470AEDDB#TRMPBF229
15.17 USD
104.46 USD
503.61 USD
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LT3470AIDDB#TRMPBF97
16.03 USD
105.21 USD
504.21 USD
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LT3470EDDB#TRMPBF72
14.64 USD
104.00 USD
503.24 USD
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LT3470ETS8#TRMPBF123
15.77 USD
103.88 USD
502.89 USD
Buy Now
LT3470HTS8#TRMPBF376
17.58 USD
104.45 USD
503.80 USD
1003.49 USD
2003.46 USD
Buy Now
LT3470IDDB#TRMPBF940
5003.87 USD
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LT3470IDDB#TRMPBF940
15.55 USD
104.78 USD
503.87 USD
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LT3470ITS8#TRMPBF5
16.92 USD
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Conrad COM (1)

ProductStockPriceBuy
LT3470ITS8#TRMPBF10Buy Now

Conrad UK (1)

ProductStockPriceBuy
LT3470ITS8#TRMPBF12Buy Now

Digi-Key (21)

ProductStockPriceBuy
LT3470EDDB#TRMPBF2500
5002.48 USD
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LT3470EDDB#TRMPBF2908
15.51 USD
254.92 USD
1002.98 USD
2502.73 USD
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LT3470EDDB#TRMPBF2908
15.51 USD
254.92 USD
1002.98 USD
2502.73 USD
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LT3470ITS8#TRMPBF15000
5002.96 USD
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LT3470ITS8#TRMPBF15095
16.57 USD
255.87 USD
1003.55 USD
2503.26 USD
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LT3470ITS8#TRMPBF15095
16.57 USD
255.87 USD
1003.55 USD
2503.26 USD
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LT3470AEDDB#TRMPBF1000
5003.11 USD
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LT3470AEDDB#TRMPBF1442
16.11 USD
255.46 USD
1003.74 USD
2503.42 USD
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LT3470AEDDB#TRMPBF1442
16.11 USD
255.46 USD
1003.74 USD
2503.42 USD
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LT3470AIDDB#TRMPBF2000
5003.58 USD
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LT3470AIDDB#TRMPBF2391
17.00 USD
256.25 USD
1004.30 USD
2503.94 USD
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LT3470AIDDB#TRMPBF2391
17.00 USD
256.25 USD
1004.30 USD
2503.94 USD
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LT3470HDDB#TRMPBF500
5003.89 USD
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LT3470HDDB#TRMPBF778
17.18 USD
256.41 USD
1004.67 USD
2504.28 USD
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LT3470HDDB#TRMPBF778
17.18 USD
256.41 USD
1004.67 USD
2504.28 USD
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LT3470ETS8#TRMPBF0
5002.48 USD
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LT3470ETS8#TRMPBF423
15.51 USD
254.92 USD
1002.98 USD
2502.73 USD
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LT3470ETS8#TRMPBF423
15.51 USD
254.92 USD
1002.98 USD
2502.73 USD
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LT3470IDDB#TRMPBF0
5002.96 USD
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LT3470IDDB#TRMPBF415
16.57 USD
255.87 USD
1003.55 USD
2503.26 USD
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LT3470IDDB#TRMPBF415
16.57 USD
255.87 USD
1003.55 USD
2503.26 USD
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DC1037A1
176.50 USD
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DC1382A2
1102.10 USD
2576.88 USD
10076.50 USD
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LT3470ETS8#TRPBF0
25002.86 USD
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LT3470EDDB#TRPBF0
25002.86 USD
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Distrelec (2)

ProductStockPriceBuy
LT3470AIDDB#PBF238Buy Now
LT3470ITS8#PBF500Buy Now

Mouser Electronics (10)

ProductStockPriceBuy
LT3470HTS8#TRPBF2470
17.10 USD
106.60 USD
256.34 USD
1004.44 USD
2504.07 USD
25003.69 USD
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LT3470ITS8#TRMPBF2740
16.61 USD
106.15 USD
255.90 USD
1003.69 USD
2503.37 USD
5003.06 USD
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LT3470HDDB#TRPBF2352
17.10 USD
106.60 USD
256.34 USD
1004.44 USD
2504.07 USD
25003.69 USD
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LT3470AEDDB#TRMPBF575
16.15 USD
105.70 USD
255.49 USD
1003.69 USD
2503.37 USD
5003.06 USD
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LT3470IDDB#TRMPBF1017
16.61 USD
106.15 USD
255.90 USD
1003.69 USD
2503.37 USD
5003.06 USD
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LT3470HDDB#TRMPBF440
17.22 USD
106.69 USD
256.44 USD
1004.44 USD
2504.07 USD
5003.69 USD
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LT3470AHDDB#TRMPBF508
17.51 USD
106.97 USD
256.69 USD
1004.56 USD
2504.18 USD
5003.79 USD
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LT3470EDDB#TRMPBF183
15.55 USD
105.15 USD
254.95 USD
1003.07 USD
2502.82 USD
5002.57 USD
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LT3470AIDDB#TRMPBF14
17.05 USD
106.55 USD
256.28 USD
1004.23 USD
2503.87 USD
5003.52 USD
Buy Now
LT3470ETS8#TRMPBF9
15.55 USD
105.15 USD
254.95 USD
1003.07 USD
2502.82 USD
5002.57 USD
Buy Now
LT3470ETS8#TRPBF0
15.43 USD
105.04 USD
254.85 USD
1003.07 USD
2502.82 USD
25002.57 USD
Buy Now
LT3470ITS8#TRPBF0
25003.06 USD
Buy Now
LT3470AIDDB#TRPBF0
25003.52 USD
Buy Now
LT3470EDDB#TRPBF0
25002.57 USD
Buy Now
LT3470IDDB#TRPBF0
25003.06 USD
Buy Now
LT3470HTS8#TRMPBF0
5003.69 USD
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LT3470AEDDB#TRPBF0
25003.06 USD
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LT3470AHDDB#TRPBF0
25003.79 USD
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RS Components (5)

ProductStockPriceBuy
LT3470EDDB#TRMPBF53Buy Now
LT3470ETS8#TRMPBF287Buy Now
LT3470ETS8#TRMPBF560Buy Now
LT3470ITS8#TRMPBF311Buy Now
LT3470ITS8#TRMPBF30Buy Now

Reichelt Elektronik (2)

ProductStockPriceBuy
LT3470ETS8#TRMPBF1Buy Now
LT3470ITS8#TRMPBF1Buy Now

Transfer Multisort Elektronik (1)

ProductStockPriceBuy
LT3470ETS8#PBF28Buy Now

Available Distributors without stock: 3

Element14 (0)

ProductStockPriceBuy
LT3470EDDB#PBF0Buy Now
LT3470ETS8#TRMPBF0Buy Now
LT3470ETS8#TRMPBF0Buy Now
LT3470ITS8#TRMPBF0Buy Now
LT3470ITS8#TRMPBF0Buy Now

Farnell element14 DE (0)

ProductStockPriceBuy
LT3470EDDB#PBF0Buy Now
LT3470ETS8#TRMPBF0Buy Now
LT3470ETS8#TRMPBF0Buy Now
LT3470ITS8#TRMPBF0Buy Now
LT3470ITS8#TRMPBF0Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 13

Arrow Electronics

ProductStockPriceBuy
LT3470ITS8#TRPBF 1512
1002.99 $
13.34 $
Buy Now
LT3470EDDB#TRMPBF 398
1002.50 $
12.80 $
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LT3470IDDB#TRMPBF 340
1002.99 $
13.34 $
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LT3470AIDDB#TRMPBF 293
1003.43 $
14.04 $
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LT3470ETS8#TRMPBF 290
1002.50 $
12.80 $
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LT3470AEDDB#TRMPBF 229
1002.99 $
13.51 $
Buy Now
LT3470AHDDB#TRMPBF 5
1003.71 $
14.49 $
Buy Now

Digi-Key

ProductStockPriceBuy
LT3470ITS8#TRMPBF 15095
2502.83 €
1003.09 €
255.10 €
15.71 €
Buy Now
LT3470ITS8#TRMPBF 15095
2502.83 €
1003.09 €
255.10 €
15.71 €
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LT3470ITS8#TRMPBF 15000
5002.57 €
Buy Now
LT3470EDDB#TRMPBF 2908
2502.37 €
1002.59 €
254.28 €
14.79 €
Buy Now
LT3470EDDB#TRMPBF 2908
2502.37 €
1002.59 €
254.28 €
14.79 €
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LT3470EDDB#TRMPBF 2500
5002.16 €
Buy Now
LT3470AIDDB#TRMPBF 2391
2503.43 €
1003.74 €
255.43 €
16.08 €
Buy Now
LT3470AIDDB#TRMPBF 2391
2503.43 €
1003.74 €
255.43 €
16.08 €
Buy Now
LT3470AIDDB#TRMPBF 2000
5003.11 €
Buy Now
LT3470AEDDB#TRMPBF 1442
2502.98 €
1003.25 €
254.74 €
15.31 €
Buy Now
LT3470AEDDB#TRMPBF 1442
2502.98 €
1003.25 €
254.74 €
15.31 €
Buy Now
LT3470AEDDB#TRMPBF 1000
5002.71 €
Buy Now
LT3470HDDB#TRMPBF 778
2503.72 €
1004.06 €
255.57 €
16.24 €
Buy Now
LT3470HDDB#TRMPBF 778
2503.72 €
1004.06 €
255.57 €
16.24 €
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LT3470HDDB#TRMPBF 500
5003.38 €
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Verical

ProductStockPriceBuy
LT3470ETS8#TRMPBF 3000
12.80 $
Buy Now
LT3470ITS8#TRPBF 1512
1002.99 $
33.34 $
Buy Now
LT3470EDDB#TRMPBF 398
1002.50 $
32.80 $
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LT3470IDDB#TRMPBF 340
1002.99 $
33.34 $
Buy Now
LT3470AIDDB#TRMPBF 293
1003.43 $
34.04 $
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LT3470AEDDB#TRMPBF 229
1002.99 $
33.51 $
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LT3470AHDDB#TRMPBF 5
24.49 $
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Heilind Electronics - Europe

ProductStockPriceBuy
LT3470ITS8#TRPBF 13
114.76 €
1314.76 €
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT3470HTS8#TRPBF 2470
17.07 $
106.56 $
256.30 $
1004.42 $
2504.05 $
25003.68 $
Buy Now
LT3470ITS8#TRMPBF 2740
16.58 $
106.11 $
255.87 $
1003.66 $
2503.35 $
5003.05 $
Buy Now
LT3470HDDB#TRPBF 2352
17.07 $
106.56 $
256.30 $
1004.42 $
2504.05 $
25003.68 $
Buy Now
LT3470AEDDB#TRMPBF 569
16.12 $
105.68 $
255.46 $
1003.66 $
2503.35 $
5003.05 $
Buy Now
LT3470IDDB#TRMPBF 1017
16.58 $
106.11 $
255.87 $
1003.66 $
2503.35 $
5003.05 $
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LT3470HDDB#TRMPBF 440
17.18 $
106.67 $
256.41 $
1004.42 $
2504.05 $
5003.68 $
Buy Now
LT3470AHDDB#TRMPBF 508
17.47 $
106.93 $
256.66 $
1004.54 $
2504.16 $
5003.78 $
Buy Now
LT3470EDDB#TRMPBF 183
15.52 $
105.12 $
254.92 $
1003.06 $
2502.80 $
5002.55 $
Buy Now
LT3470AIDDB#TRMPBF 14
17.01 $
106.51 $
256.25 $
1004.20 $
2503.85 $
5003.50 $
Buy Now
LT3470ETS8#TRMPBF 9
15.52 $
105.12 $
254.92 $
1003.06 $
2502.80 $
5002.55 $
Buy Now
LT3470ETS8#TRPBF 0
15.40 $
105.01 $
254.82 $
1003.06 $
2502.80 $
25002.55 $
Buy Now
LT3470ITS8#TRPBF 0
25003.05 $
Buy Now
LT3470AIDDB#TRPBF 0
25003.50 $
Buy Now
LT3470EDDB#TRPBF 0
25002.55 $
Buy Now
LT3470IDDB#TRPBF 0
25003.05 $
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show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LT3470ETS8 66
574.14 $
164.48 $
16.72 $
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TME Electronic Components

ProductStockPriceBuy
LT3470ETS8#PBF 28
14.19 $
103.92 $
1003.46 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT3470IDDBPBF 10
LT3470ITS8TRMPBF 412

Schukat electronic

ProductStockPriceBuy
LT3470ETS8#TRMPBF 48
15.15 €
103.45 €
502.85 €
1002.74 €
Buy Now

Chip One Exchange

ProductStockPriceBuy
LT3470ETS8#TRMPBF 174
LT3470IDDB#PBF 1960
LT3470IDDB#TRPBF 2151

Chip1Stop

ProductStockPriceBuy
LT3470ETS8#TRMPBF 123
502.89 $
103.88 $
15.77 $
Buy Now
LT3470HTS8#TRMPBF 376
2003.46 $
1003.49 $
503.80 $
104.45 $
17.58 $
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LT3470ITS8#TRMPBF 5
16.92 $
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New Advantage Corporation

ProductStockPriceBuy
LT3470ETS8#TRMPBF 3702
5003.65 $
37023.42 $
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RS Components

ProductStockPriceBuy
LT3470EDDB#TRMPBF 53
253.66 GBP
1003.60 GBP
5003.53 GBP
10003.45 GBP
Buy Now
LT3470ETS8#TRMPBF 560
54.37 GBP
253.95 GBP
1253.53 GBP
2503.11 GBP
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LT3470ETS8#TRMPBF 287
14.79 GBP
54.37 GBP
253.95 GBP
1253.53 GBP
2503.11 GBP
Buy Now
LT3470ITS8#TRMPBF 311
15.38 GBP
54.98 GBP
254.59 GBP
1254.20 GBP
2503.81 GBP
Buy Now
LT3470ITS8#TRMPBF 30
54.98 GBP
254.59 GBP
1254.20 GBP
2503.81 GBP
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List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT3470. Optional, compare LT3470 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT3437 LT3437 product overviewLT3437 product overview Linear Technology TSSOP-16, DFN-10
0% LT3470A LT3470A product overviewLT3470A product overview Linear Technology DFN-8
50% MAX1836 MAX1836 product overviewMAX1836 product overview Maxim TDFN-EP-6, SOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3470.

V-IN max. 40 V, I-OUT 0.2 A, V-OUT min. 1.25 V, Frequency typ. 800 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025270 27.0 0.5 0.7 745.00 2.8 x 2.8 x 3
744031220 22.0 0.5 0.4 410.00 3.8 x 3.8 x 1.8
744032180 18.0 0.2 0.7 880.00 3.2 x 2.5 x 2.3
744032220 22.0 0.2 0.6 1,040.00 3.2 x 2.5 x 2.3
74404024180 18.0 0.5 0.7 830.00 2.5 x 2 x 1.2
74404024220 22.0 0.5 0.6 910.00 2.5 x 2 x 1.2
74404032220 22.0 0.6 0.6 450.00 3 x 3 x 1.5
744042180 18.0 0.9 0.7 270.00 4.8 x 4.8 x 2
744042220 22.0 0.9 0.6 280.00 4.8 x 4.8 x 2
744043180 18.0 1.0 0.7 150.00 4.8 x 4.8 x 3
744043220 22.0 0.9 0.7 160.00 4.8 x 4.8 x 3
744043270 27.0 0.9 0.6 170.00 4.8 x 4.8 x 3
7440680220 22.0 0.9 0.7 350.00 8 x 8 x 1.2
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