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: 0

no online Distributor with LT3470 stock available

Available Distributors with stock: 11

Arrow Electronics

ProductStockPriceBuy
LT3470AIDDB#TRPBF 1303
1003.47 $
14.04 $
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LT3470AHDDB#TRMPBF 308
5003.83 $
2503.97 $
1004.18 $
255.06 $
17.63 $
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LT3470ITS8#TRPBF 219
25003.35 $
5003.40 $
2503.48 $
1003.67 $
254.43 $
16.69 $
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LT3470AEDDB#TRMPBF 150
5002.98 $
2503.09 $
1003.25 $
253.93 $
15.93 $
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LT3470ETS8#TRPBF 26
25002.81 $
5002.84 $
2502.91 $
1003.06 $
253.71 $
15.59 $
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LT3470IDDB#TRMPBF 16
5003.38 $
2503.51 $
1003.69 $
254.47 $
16.73 $
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LT3470HTS8#TRMPBF 9
5003.94 $
1004.05 $
254.90 $
17.38 $
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LT3470AIDDB#TRMPBF 3
5003.55 $
2503.68 $
1003.87 $
254.68 $
17.05 $
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LT3470HTS8#TRMPBF 0
5003.94 $
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LT3470ETS8#TRPBF 0
25002.65 $
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LT3470AEDDB#TRMPBF 0
15002.77 $
5002.82 $
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LT3470ITS8#TRPBF 0
25003.17 $
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LT3470IDDB#TRMPBF 0
15003.14 $
5003.20 $
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LT3470AHDDB#TRMPBF 0
15003.56 $
5003.63 $
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LT3470AIDDB#TRMPBF 0
15003.29 $
5003.35 $
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show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3470ITS8#TRMPBF 11682
1003.49 €
254.22 €
16.36 €
Buy Now
LT3470ITS8#TRMPBF 11682
1003.49 €
254.22 €
16.36 €
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LT3470ITS8#TRMPBF 11500
5003.16 €
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LT3470ETS8#TRMPBF 6894
1002.93 €
253.55 €
15.35 €
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LT3470ETS8#TRMPBF 6894
1002.93 €
253.55 €
15.35 €
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LT3470ETS8#TRMPBF 6500
5002.64 €
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LT3470AIDDB#TRMPBF 2848
5003.32 €
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LT3470AIDDB#TRMPBF 2848
1003.66 €
254.43 €
16.67 €
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LT3470AIDDB#TRMPBF 2848
1003.66 €
254.43 €
16.67 €
Buy Now
LT3470EDDB#TRMPBF 1191
1002.93 €
253.55 €
15.35 €
Buy Now
LT3470EDDB#TRMPBF 1191
1002.93 €
253.55 €
15.35 €
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LT3470EDDB#TRMPBF 1000
5002.64 €
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LT3470AEDDB#TRMPBF 601
1003.08 €
253.73 €
15.61 €
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LT3470AEDDB#TRMPBF 601
1003.08 €
253.73 €
15.61 €
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LT3470AEDDB#TRMPBF 500
5002.78 €
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Verical

ProductStockPriceBuy
LT3470ITS8#TRMPBF 7500
5003.31 $
Buy Now
LT3470IDDB#TRPBF 2500
25003.34 $
Buy Now
LT3470AIDDB#TRPBF 1303
1003.47 $
24.04 $
Buy Now
LT3470AHDDB#TRMPBF 308
5003.83 $
2503.97 $
1004.18 $
255.06 $
27.63 $
Buy Now
LT3470ITS8#TRPBF 219
25003.35 $
5003.40 $
2503.48 $
1003.67 $
254.43 $
26.69 $
Buy Now
LT3470AEDDB#TRMPBF 150
5002.98 $
2503.09 $
1003.25 $
253.93 $
35.93 $
Buy Now
LT3470ETS8#TRPBF 26
25002.81 $
5002.84 $
2502.91 $
1003.06 $
253.71 $
35.59 $
Buy Now
LT3470IDDB#TRMPBF 16
5003.38 $
2503.51 $
1003.69 $
254.47 $
26.73 $
Buy Now
LT3470ETS8#TRMPBF 11
5002.83 $
2502.94 $
1003.09 $
253.73 $
35.63 $
Buy Now
LT3470HTS8#TRMPBF 9
5003.94 $
1004.05 $
254.90 $
27.38 $
Buy Now
LT3470AIDDB#TRMPBF 3
5003.55 $
2503.68 $
1003.87 $
254.68 $
27.05 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT3470ETS8#TRMPBF 6945
15.93 $
253.93 $
1003.25 $
2503.09 $
5002.82 $
15002.75 $
Buy Now
LT3470HTS8#TRPBF 2719
17.67 $
255.08 $
1004.20 $
2503.99 $
5003.90 $
25003.64 $
Buy Now
LT3470ITS8#TRMPBF 3612
17.08 $
254.70 $
1003.88 $
2503.69 $
5003.37 $
15003.28 $
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LT3470AEDDB#TRMPBF 1997
16.24 $
254.14 $
1003.42 $
2503.25 $
5002.97 $
15002.89 $
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LT3470ETS8#TRPBF 2892
15.88 $
253.90 $
1003.22 $
2503.06 $
5002.99 $
25002.79 $
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LT3470ITS8#TRPBF 1460
17.04 $
254.66 $
1003.86 $
2503.66 $
5003.58 $
25003.34 $
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LT3470HDDB#TRPBF 2698
17.67 $
255.08 $
1004.20 $
2503.99 $
5003.90 $
25003.64 $
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LT3470HDDB#TRMPBF 500
17.76 $
255.15 $
1004.26 $
2504.05 $
5003.69 $
15003.60 $
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LT3470AIDDB#TRMPBF 272
17.42 $
254.93 $
1004.07 $
2503.87 $
5003.53 $
15003.44 $
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LT3470EDDB#TRMPBF 283
15.93 $
253.93 $
1003.25 $
2503.09 $
5002.82 $
15002.75 $
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LT3470AHDDB#TRMPBF 141
18.03 $
255.33 $
1004.40 $
2504.18 $
5003.82 $
15003.72 $
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Quest Components

ProductStockPriceBuy
LT3470ETS8 66
574.14 $
164.48 $
16.72 $
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LT3470ETS8#TRMPBF 29
73.38 $
24.50 $
16.75 $
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LT3470ITS8#TRMPBF 252
1832.55 $
692.74 $
15.88 $
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RS Components

ProductStockPriceBuy
LT3470ETS8#TRMPBF 212
14.79 GBP
54.37 GBP
253.95 GBP
1253.53 GBP
2503.11 GBP
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LT3470ETS8#TRMPBF 0
12.80 GBP
15002.73 GBP
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LT3470ETS8#TRMPBF 0
253.95 GBP
1253.53 GBP
2503.11 GBP
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LT3470EDDB#TRMPBF 488
12.71 GBP
253.66 GBP
1003.60 GBP
5003.53 GBP
10003.45 GBP
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LT3470EDDB#TRMPBF 488
253.66 GBP
1003.60 GBP
5003.53 GBP
10003.45 GBP
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LT3470EDDB#TRMPBF 0
5002.66 GBP
15002.90 GBP
Buy Now
LT3470ITS8#TRMPBF 0
13.35 GBP
15003.27 GBP
Buy Now
LT3470ITS8#TRMPBF 287
255.27 GBP
1004.85 GBP
5004.44 GBP
10004.03 GBP
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LT3470ITS8#TRMPBF 159
15.69 GBP
255.27 GBP
1004.85 GBP
5004.44 GBP
10004.03 GBP
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show stock=0hide stock=0

Transfer Multisort Elektronik

ProductStockPriceBuy
LT3470ETS8#PBF 2
254.25 $
55.23 $
15.90 $
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ComS.I.T.

ProductStockPriceBuy
LT3470IDDBPBF 10
LT3470ITS8TRMPBF 412

Schukat electronic

ProductStockPriceBuy
LT3470ETS8TRMPBF 11
14.21 €
103.44 €
503.06 €
1002.95 €
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Chip1Stop

ProductStockPriceBuy
LT3470HTS8#TRMPBF 506
5004.15 $
2004.45 $
1004.72 $
505.03 $
105.72 $
17.85 $
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LT3470ITS8#TRMPBF 4
14.49 $
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Pulp Electronics

ProductStockPriceBuy
LT3470TS8 12000
LT3470AEDDB#PBF/AI/AH 8000
LT3470AEDDB 8000
LT3470IDDB 9000
LT3470ITS8#TRPBF 10300
LT3470IDDB#TRMPBF 11365
LT3470AEDDB#TRPBF 9109
LT3470HDDB#PBF 5500
LT3470ETS#PBF 11300
LT3470AIDDB#TRPBF 9000
LT3470HTS8#TRMPBF 6000
LT3470ITS8#PBF 8855
LT3470ETS8#TRMPBF 8635
LT3470AEDDB#TRPBF/AI 8222
LT3470ETS8TRMPBF 10547

Available Distributors without stock: 3

Richardson RFPD

ProductStockPriceBuy
LT3470HTS8#TRPBF 0
25003.92 $
50003.77 $
Buy Now
LT3470ITS8#TRPBF 0
25003.60 $
50003.46 $
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LT3470AHDDB#TRPBF 0
25004.04 $
50003.89 $
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LT3470IDDB#TRMPBF 0
5003.72 $
10003.62 $
50003.49 $
Buy Now
LT3470AEDDB#TRPBF 0
25003.14 $
50003.02 $
Buy Now
LT3470EDDB#TRPBF 0
25003.01 $
50002.90 $
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LT3470HDDB#TRPBF 0
25003.92 $
50003.77 $
Buy Now
LT3470AIDDB#TRPBF 0
25003.71 $
50003.58 $
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LT3470HTS8#TRMPBF 0
5004.08 $
10003.97 $
50003.83 $
Buy Now
LT3470ETS8#TRMPBF 0
5003.11 $
10003.03 $
50002.92 $
Buy Now
LT3470AIDDB#TRMPBF 0
5003.90 $
10003.79 $
50003.65 $
Buy Now
LT3470AHDDB#TRMPBF 0
5004.22 $
10004.11 $
50003.95 $
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LT3470HDDB#TRMPBF 0
5004.08 $
10003.97 $
50003.83 $
Buy Now
LT3470EDDB#TRMPBF 0
5003.11 $
10003.03 $
50002.92 $
Buy Now
LT3470ETS8#TRPBF 0
25003.01 $
50002.90 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LT3470ETS8#TRMPBF 0
2504.73 SGD
1004.98 SGD
256.02 SGD
19.07 SGD
Buy Now
LT3470ETS8#TRMPBF 0
2504.73 SGD
1004.98 SGD
256.02 SGD
19.07 SGD
Buy Now
LT3470EDDB#PBF 0
1005.70 SGD
256.32 SGD
17.03 SGD
Buy Now
LT3470ITS8#TRMPBF 0
2505.65 SGD
1005.95 SGD
257.19 SGD
110.82 SGD
Buy Now
LT3470ITS8#TRMPBF 0
2505.65 SGD
1005.95 SGD
257.19 SGD
110.82 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LT3470ETS8#TRMPBF 0
5002.16 GBP
2502.22 GBP
1002.26 GBP
502.95 GBP
253.63 GBP
104.07 GBP
14.53 GBP
Buy Now
LT3470ETS8#TRMPBF 0
5002.16 GBP
2502.22 GBP
1002.26 GBP
502.95 GBP
253.63 GBP
104.07 GBP
14.53 GBP
Buy Now
LT3470EDDB#PBF 0
5002.04 GBP
2502.05 GBP
1002.06 GBP
502.07 GBP
252.08 GBP
102.88 GBP
14.06 GBP
Buy Now
LT3470ITS8#TRMPBF 0
5002.39 GBP
2502.49 GBP
1002.58 GBP
503.80 GBP
253.82 GBP
104.62 GBP
15.10 GBP
Buy Now
LT3470ITS8#TRMPBF 0
5002.39 GBP
2502.49 GBP
1002.58 GBP
503.80 GBP
253.82 GBP
104.62 GBP
15.10 GBP
Buy Now

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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