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: 11

Buerklin (1)

ProductStockPriceBuy
LT3470ITS832Buy Now

Chip One Stop (9)

ProductStockPriceBuy
LT3470AHDDB#TRMPBF10
17.95 USD
Buy Now
LT3470EDDB#TRMPBF235
14.96 USD
1003.88 USD
Buy Now
LT3470EDDB#TRMPBF1000
5003.52 USD
Buy Now
LT3470ETS8#TRMPBF6500
5003.52 USD
Buy Now
LT3470ETS8#TRMPBF797
14.96 USD
1003.88 USD
Buy Now
LT3470HTS8#TRMPBF130
17.78 USD
1005.88 USD
Buy Now
LT3470IDDB#TRMPBF324
15.92 USD
1004.63 USD
Buy Now
LT3470ITS8#TRMPBF1500
5004.20 USD
Buy Now
LT3470ITS8#TRMPBF1026
15.92 USD
1004.63 USD
Buy Now

Conrad (1)

ProductStockPriceBuy
LT3470ITS8#TRMPBF14Buy Now

Digi-Key (21)

ProductStockPriceBuy
LT3470ETS8#TRMPBF2000
5002.50 USD
Buy Now
LT3470ETS8#TRMPBF2537
15.40 USD
254.82 USD
1003.00 USD
2502.75 USD
Buy Now
LT3470ETS8#TRMPBF2537
15.40 USD
254.82 USD
1003.00 USD
2502.75 USD
Buy Now
LT3470EDDB#TRMPBF1500
5002.50 USD
Buy Now
LT3470EDDB#TRMPBF1610
15.40 USD
254.82 USD
1003.00 USD
2502.75 USD
Buy Now
LT3470EDDB#TRMPBF1610
15.40 USD
254.82 USD
1003.00 USD
2502.75 USD
Buy Now
LT3470ITS8#TRMPBF1000
5002.99 USD
Buy Now
LT3470ITS8#TRMPBF1274
16.44 USD
255.75 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470ITS8#TRMPBF1274
16.44 USD
255.75 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470AIDDB#TRMPBF500
5003.43 USD
Buy Now
LT3470AIDDB#TRMPBF846
16.87 USD
256.13 USD
1004.12 USD
2503.77 USD
Buy Now
LT3470AIDDB#TRMPBF846
16.87 USD
256.13 USD
1004.12 USD
2503.77 USD
Buy Now
LT3470HDDB#TRMPBF500
5003.61 USD
Buy Now
LT3470HDDB#TRMPBF858
17.04 USD
256.28 USD
1004.33 USD
2503.97 USD
Buy Now
LT3470HDDB#TRMPBF858
17.04 USD
256.28 USD
1004.33 USD
2503.97 USD
Buy Now
LT3470IDDB#TRMPBF500
5002.99 USD
Buy Now
LT3470IDDB#TRMPBF525
16.44 USD
255.75 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470IDDB#TRMPBF525
16.44 USD
255.75 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470AEDDB#TRMPBF0
5002.99 USD
Buy Now
LT3470AEDDB#TRMPBF406
15.99 USD
255.35 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470AEDDB#TRMPBF406
15.99 USD
255.35 USD
1003.59 USD
2503.29 USD
Buy Now
DC1037A1
175.38 USD
Buy Now
LT3470ETS8#TRPBF0
25002.50 USD
Buy Now
LT3470EDDB#TRPBF0
25002.50 USD
Buy Now
LT3470AEDDB#TRPBF0
25002.99 USD
Buy Now

Distrelec (2)

ProductStockPriceBuy
LT3470AIDDB#PBF238Buy Now
LT3470ITS8#PBF160Buy Now

Element14 (5)

ProductStockPriceBuy
LT3470EDDB#PBF139
17.46 USD
256.47 USD
1006.19 USD
Buy Now
LT3470ETS8#TRMPBF5905
18.33 USD
257.44 USD
1004.63 USD
2504.24 USD
Buy Now
LT3470ETS8#TRMPBF5905
18.33 USD
257.44 USD
1004.63 USD
2504.24 USD
Buy Now
LT3470ITS8#TRMPBF1230
19.92 USD
258.87 USD
1005.53 USD
2505.07 USD
Buy Now
LT3470ITS8#TRMPBF1230
19.92 USD
258.87 USD
1005.53 USD
2505.07 USD
Buy Now

Farnell Element14 (5)

ProductStockPriceBuy
LT3470EDDB#PBF139Buy Now
LT3470ETS8#TRMPBF8345Buy Now
LT3470ETS8#TRMPBF8345Buy Now
LT3470ITS8#TRMPBF1260Buy Now
LT3470ITS8#TRMPBF1260Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LT3470AEDDB#PBF0
14.19 USD
2002.99 USD
Buy Now
LT3470AEDDB#TRMPBF0
14.19 USD
5002.99 USD
Buy Now
LT3470AEDDB#TRPBF0
14.43 USD
25003.17 USD
Buy Now
LT3470AHDDB#TRMPBF0
15.20 USD
5003.71 USD
Buy Now
LT3470AIDDB#PBF0
16.11 USD
254.09 USD
1003.43 USD
Buy Now
LT3470AIDDB#TRMPBF0
14.81 USD
5003.43 USD
Buy Now
LT3470AIDDB#TRPBF0
15.08 USD
25003.64 USD
Buy Now
LT3470EDDB#PBF0
14.80 USD
253.18 USD
1002.50 USD
Buy Now
LT3470EDDB#TRPBF0
13.70 USD
25002.65 USD
Buy Now
LT3470ETS8#PBF0
15.33 USD
254.75 USD
1004.28 USD
Buy Now
LT3470ETS8#TRMPBF500
12.50 USD
Buy Now
LT3470ETS8#TRMPBF0
15.33 USD
254.75 USD
1003.00 USD
2502.75 USD
Buy Now
LT3470ETS8#TRPBF0
13.70 USD
25002.65 USD
Buy Now
LT3470HDDB#PBF0
16.29 USD
254.26 USD
1003.61 USD
Buy Now
LT3470HDDB#TRMPBF0
15.06 USD
5003.61 USD
Buy Now
LT3470HDDB#TRPBF0
15.35 USD
25003.83 USD
Buy Now
LT3470HTS8#PBF0
16.29 USD
254.26 USD
1003.61 USD
Buy Now
LT3470HTS8#TRMPBF0
15.06 USD
5003.61 USD
Buy Now
LT3470HTS8#TRPBF0
15.35 USD
25003.83 USD
Buy Now
LT3470ITS8#PBF0
15.74 USD
253.80 USD
1002.99 USD
Buy Now
LT3470ITS8#TR0
00.00 USD
Buy Now
LT3470ITS8#TRMPBF0
14.19 USD
5002.99 USD
Buy Now
LT3470ITS8#TRPBF0
14.43 USD
25003.17 USD
Buy Now

RS Components (8)

ProductStockPriceBuy
LT3470EDDB#TRMPBF29Buy Now
LT3470EDDB#TRMPBF552Buy Now
LT3470ETS8#TRMPBF101Buy Now
LT3470ETS8#TRMPBF261Buy Now
LT3470ETS8#TRMPBF52Buy Now
LT3470ETS8#TRMPBF215Buy Now
LT3470ITS8#TRMPBF74Buy Now
LT3470ITS8#TRMPBF459Buy Now

Reichelt Elektronik (2)

ProductStockPriceBuy
LT3470ETS8#TRMPBF1Buy Now
LT3470ITS8#TRMPBF1Buy Now

Schukat Electronic (1)

ProductStockPriceBuy
LT3470ETS8TRMPBF33Buy Now

Available Distributors with stock: 8

Arrow Electronics

ProductStockPriceBuy
LT3470ETS8#TRMPBF 12000
5002.50 $
Buy Now
LT3470EDDB#TRMPBF 1000
5002.50 $
Buy Now
LT3470ETS8#TRMPBF 797
12.80 $
1002.50 $
Buy Now
LT3470HTS8#TRMPBF 630
14.39 $
1003.61 $
Buy Now
LT3470AIDDB#TRMPBF 302
14.04 $
1003.43 $
Buy Now
LT3470EDDB#TRMPBF 235
12.80 $
1002.50 $
Buy Now
LT3470IDDB#TRMPBF 124
13.34 $
1002.99 $
Buy Now
LT3470AHDDB#TRMPBF 10
14.49 $
1003.71 $
Buy Now
LT3470AEDDB#TRMPBF 7
13.51 $
1002.99 $
Buy Now
LT3470AEDDB#TRMPBF 0
5002.99 $
Buy Now
LT3470AHDDB#TRMPBF 0
5003.71 $
Buy Now
LT3470AIDDB#TRMPBF 0
5003.43 $
Buy Now
LT3470HTS8#TRMPBF 0
5003.61 $
Buy Now
LT3470HTS8#TRMPBF 0
5003.61 $
Buy Now
LT3470IDDB#TRMPBF 0
5002.99 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3470ETS8#TRMPBF 2537
2502.33 €
1002.55 €
254.09 €
14.58 €
Buy Now
LT3470ETS8#TRMPBF 2537
2502.33 €
1002.55 €
254.09 €
14.58 €
Buy Now
LT3470ETS8#TRMPBF 2000
5002.12 €
Buy Now
LT3470EDDB#TRMPBF 1610
2502.33 €
1002.55 €
254.09 €
14.58 €
Buy Now
LT3470EDDB#TRMPBF 1610
2502.33 €
1002.55 €
254.09 €
14.58 €
Buy Now
LT3470EDDB#TRMPBF 1500
5002.12 €
Buy Now
LT3470ITS8#TRMPBF 1274
2502.79 €
1003.04 €
254.88 €
15.46 €
Buy Now
LT3470ITS8#TRMPBF 1274
2502.79 €
1003.04 €
254.88 €
15.46 €
Buy Now
LT3470ITS8#TRMPBF 1000
5002.54 €
Buy Now
LT3470HDDB#TRMPBF 858
2503.37 €
1003.68 €
255.33 €
15.97 €
Buy Now
LT3470HDDB#TRMPBF 858
2503.37 €
1003.68 €
255.33 €
15.97 €
Buy Now
LT3470AIDDB#TRMPBF 846
2503.20 €
1003.49 €
255.20 €
15.83 €
Buy Now
LT3470AIDDB#TRMPBF 846
2503.20 €
1003.49 €
255.20 €
15.83 €
Buy Now
LT3470AIDDB#TRMPBF 500
5002.91 €
Buy Now
LT3470HDDB#TRMPBF 500
5003.06 €
Buy Now

Newark element14

ProductStockPriceBuy
LT3470ETS8#TRMPBF 500
12.00 $
Buy Now
LT3470ETS8#TRMPBF 0
15.33 $
254.75 $
1003.00 $
2502.00 $
Buy Now
LT3470EDDB#PBF 0
14.80 $
253.18 $
1002.00 $
Buy Now
LT3470AHDDB#TRMPBF 0
15.20 $
5003.00 $
Buy Now
LT3470ITS8#TR 0 Buy Now
LT3470AEDDB#TRPBF 0
14.43 $
25003.00 $
Buy Now
LT3470ETS8#TRPBF 0
13.70 $
25002.00 $
Buy Now
LT3470HTS8#PBF 0
16.29 $
254.26 $
1003.00 $
Buy Now
LT3470AEDDB#PBF 0
14.19 $
2002.00 $
Buy Now
LT3470AIDDB#TRPBF 0
15.08 $
25003.00 $
Buy Now
LT3470AIDDB#TRMPBF 0
14.81 $
5003.00 $
Buy Now
LT3470AIDDB#PBF 0
16.11 $
254.09 $
1003.00 $
Buy Now
LT3470ETS8#PBF 0
15.33 $
254.75 $
1004.00 $
Buy Now
LT3470HDDB#TRPBF 0
15.35 $
25003.00 $
Buy Now
LT3470ITS8#TRMPBF 0
14.19 $
5002.00 $
Buy Now
show stock=0hide stock=0

element14 Asia-Pacific

ProductStockPriceBuy
LT3470EDDB#PBF 124
15.97 $
255.18 $
1004.95 $
Buy Now
LT3470ETS8#TRMPBF 5905
16.66 $
255.95 $
1003.70 $
2503.39 $
Buy Now
LT3470ETS8#TRMPBF 5905
16.66 $
255.95 $
1003.70 $
2503.39 $
Buy Now
LT3470ITS8#TRMPBF 1230
17.94 $
257.10 $
1004.42 $
2504.05 $
Buy Now
LT3470ITS8#TRMPBF 1230
17.94 $
257.10 $
1004.42 $
2504.05 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT3470EDDB#PBF 124
14.06 GBP
252.88 GBP
1002.04 GBP
Buy Now
LT3470ETS8#TRMPBF 7646
14.62 GBP
253.72 GBP
1002.04 GBP
Buy Now
LT3470ITS8#TRMPBF 1230
15.47 GBP
254.44 GBP
1002.44 GBP
Buy Now

Chip1Stop

ProductStockPriceBuy
LT3470AHDDB#TRMPBF 10
17.95 $
Buy Now
LT3470ITS8#TRMPBF 1026
15.92 $
1004.63 $
Buy Now
LT3470HDDB#TRMPBF 500
5005.44 $
Buy Now
LT3470EDDB#TRMPBF 1000
5003.52 $
Buy Now
LT3470EDDB#TRMPBF 235
14.96 $
1003.88 $
Buy Now
LT3470HTS8#TRMPBF 130
17.78 $
1005.88 $
Buy Now
LT3470AEDDB#TRMPBF 7
16.22 $
Buy Now
LT3470ETS8#TRMPBF 6500
5003.52 $
Buy Now
LT3470ETS8#TRMPBF 797
14.96 $
1003.88 $
Buy Now
LT3470IDDB#TRMPBF 324
15.92 $
1004.63 $
Buy Now
LT3470ITS8#TRMPBF 1500
5004.20 $
Buy Now

New Advantage Corporation

ProductStockPriceBuy
LT3470ETS8#TRMPBF 7000
5002.75 $
70002.75 $
Buy Now

RS Components

ProductStockPriceBuy
LT3470ETS8#TRMPBF 261
53.98 GBP
253.65 GBP
1253.32 GBP
2502.99 GBP
Buy Now
LT3470ETS8#TRMPBF 101
14.32 GBP
53.98 GBP
253.65 GBP
1253.32 GBP
2502.99 GBP
Buy Now
LT3470ETS8#TRMPBF 215
103.64 GBP
253.25 GBP
503.06 GBP
752.87 GBP
Buy Now
LT3470ETS8#TRMPBF 52
13.83 GBP
103.64 GBP
253.25 GBP
503.06 GBP
752.87 GBP
Buy Now
LT3470ITS8#TRMPBF 74
15.12 GBP
54.74 GBP
254.36 GBP
1253.98 GBP
2503.60 GBP
Buy Now
LT3470ITS8#TRMPBF 459
54.74 GBP
254.36 GBP
1253.98 GBP
2503.60 GBP
Buy Now
LT3470EDDB#TRMPBF 552
103.69 GBP
253.30 GBP
503.11 GBP
752.91 GBP
Buy Now
LT3470EDDB#TRMPBF 29
13.88 GBP
103.69 GBP
253.30 GBP
503.11 GBP
752.91 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
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Last Tweets
Meet us at this weeks PCIM tradeshow in Nuremberg, Tue+Wed, Details under info@dcdcselector.com
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
Feedback
ajax-loader.gif
Loading. Please wait.