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
LT3470ITS8522Buy Now

Chip One Stop (11)

ProductStockPriceBuy
LT3470AEDDB#TRMPBF1000
5004.41 USD
Buy Now
LT3470AEDDB#TRMPBF7
16.21 USD
Buy Now
LT3470AIDDB#TRPBF2500
25004.82 USD
Buy Now
LT3470EDDB#TRMPBF500
5003.52 USD
Buy Now
LT3470EDDB#TRMPBF250
14.95 USD
1003.88 USD
Buy Now
LT3470ETS8#TRMPBF8500
5003.52 USD
Buy Now
LT3470ETS8#TRMPBF1174
14.95 USD
1003.88 USD
Buy Now
LT3470HTS8#TRMPBF420
17.77 USD
1005.88 USD
Buy Now
LT3470IDDB#TRMPBF452
15.91 USD
1004.63 USD
Buy Now
LT3470ITS8#TRMPBF1000
15.91 USD
1004.63 USD
Buy Now
LT3470ITS8#TRPBF7500
25003.98 USD
Buy Now

Conrad (1)

ProductStockPriceBuy
LT3470ITS8#TRMPBF14Buy Now

Digi-Key (22)

ProductStockPriceBuy
LT3470ETS8#TRMPBF3000
5002.55 USD
Buy Now
LT3470ETS8#TRMPBF3317
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
Buy Now
LT3470ETS8#TRMPBF3317
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
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LT3470EDDB#TRMPBF500
5002.55 USD
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LT3470EDDB#TRMPBF898
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
Buy Now
LT3470EDDB#TRMPBF898
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
Buy Now
LT3470ITS8#TRMPBF1500
5003.05 USD
Buy Now
LT3470ITS8#TRMPBF2156
16.57 USD
255.87 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470ITS8#TRMPBF2156
16.57 USD
255.87 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470AEDDB#TRMPBF500
5003.05 USD
Buy Now
LT3470AEDDB#TRMPBF531
16.11 USD
255.46 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470AEDDB#TRMPBF531
16.11 USD
255.46 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470AIDDB#TRMPBF500
5003.50 USD
Buy Now
LT3470AIDDB#TRMPBF1044
17.00 USD
256.25 USD
1004.20 USD
2503.85 USD
Buy Now
LT3470AIDDB#TRMPBF1044
17.00 USD
256.25 USD
1004.20 USD
2503.85 USD
Buy Now
LT3470HDDB#TRMPBF500
5003.68 USD
Buy Now
LT3470HDDB#TRMPBF841
17.18 USD
256.41 USD
1004.42 USD
2504.05 USD
Buy Now
LT3470HDDB#TRMPBF841
17.18 USD
256.41 USD
1004.42 USD
2504.05 USD
Buy Now
LT3470IDDB#TRMPBF500
5003.05 USD
Buy Now
LT3470IDDB#TRMPBF515
16.57 USD
255.87 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470IDDB#TRMPBF515
16.57 USD
255.87 USD
1003.66 USD
2503.35 USD
Buy Now
DC1037A3
176.50 USD
Buy Now
LT3470ETS8#TRPBF0
25002.55 USD
Buy Now
LT3470EDDB#TRPBF0
25002.55 USD
Buy Now
LT3470AEDDB#TRPBF0
25003.05 USD
Buy Now

Distrelec (2)

ProductStockPriceBuy
LT3470AIDDB#PBF238Buy Now
LT3470ITS8#PBF160Buy Now

Element14 (5)

ProductStockPriceBuy
LT3470EDDB#PBF81
17.46 USD
255.19 USD
1004.48 USD
Buy Now
LT3470ETS8#TRMPBF9326
18.33 USD
257.44 USD
1004.63 USD
2504.24 USD
Buy Now
LT3470ETS8#TRMPBF9326
18.33 USD
257.44 USD
1004.63 USD
2504.24 USD
Buy Now
LT3470ITS8#TRMPBF1729
19.92 USD
258.87 USD
1005.53 USD
2505.07 USD
Buy Now
LT3470ITS8#TRMPBF1729
19.92 USD
258.87 USD
1005.53 USD
2505.07 USD
Buy Now

Farnell Element14 (5)

ProductStockPriceBuy
LT3470EDDB#PBF101Buy Now
LT3470ETS8#TRMPBF13433Buy Now
LT3470ETS8#TRMPBF13433Buy Now
LT3470ITS8#TRMPBF2546Buy Now
LT3470ITS8#TRMPBF2546Buy 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
13.55 USD
253.55 USD
1002.84 USD
2502.75 USD
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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 (6)

ProductStockPriceBuy
LT3470EDDB#TRMPBF576Buy Now
LT3470ETS8#TRMPBF96Buy Now
LT3470ETS8#TRMPBF76Buy Now
LT3470ETS8#TRMPBF20Buy Now
LT3470ITS8#TRMPBF69Buy Now
LT3470ITS8#TRMPBF459Buy Now

Reichelt Elektronik (2)

ProductStockPriceBuy
LT3470ETS8#TRMPBF1Buy Now
LT3470ITS8#TRMPBF1Buy Now

Schukat Electronic (1)

ProductStockPriceBuy
LT3470ETS8TRMPBF33Buy Now

Available Distributors with stock: 12

Arrow Electronics

ProductStockPriceBuy
LT3470ETS8#TRMPBF 8000
5002.50 $
Buy Now
LT3470ITS8#TRPBF 7500
25002.99 $
Buy Now
LT3470AIDDB#TRPBF 2500
25003.43 $
Buy Now
LT3470ETS8#TRMPBF 1025
12.80 $
1002.50 $
Buy Now
LT3470AEDDB#TRMPBF 1000
5002.99 $
Buy Now
LT3470ITS8#TRMPBF 1000
13.34 $
1002.99 $
Buy Now
LT3470EDDB#TRMPBF 500
5002.50 $
Buy Now
LT3470IDDB#TRMPBF 452
13.34 $
1002.99 $
Buy Now
LT3470HTS8#TRMPBF 360
14.39 $
1003.61 $
Buy Now
LT3470AIDDB#TRMPBF 302
14.04 $
1003.43 $
Buy Now
LT3470EDDB#TRMPBF 250
12.80 $
1002.50 $
Buy Now
LT3470AEDDB#TRMPBF 7
13.51 $
1002.99 $
Buy Now

Digi-Key

ProductStockPriceBuy
LT3470ETS8#TRMPBF 3317
2502.41 €
1002.63 €
254.23 €
14.74 €
Buy Now
LT3470ETS8#TRMPBF 3317
2502.41 €
1002.63 €
254.23 €
14.74 €
Buy Now
LT3470ETS8#TRMPBF 3000
5002.19 €
Buy Now
LT3470ITS8#TRMPBF 2156
2502.88 €
1003.15 €
255.05 €
15.65 €
Buy Now
LT3470ITS8#TRMPBF 2156
2502.88 €
1003.15 €
255.05 €
15.65 €
Buy Now
LT3470ITS8#TRMPBF 1500
5002.62 €
Buy Now
LT3470AIDDB#TRMPBF 1044
2503.31 €
1003.61 €
255.38 €
16.02 €
Buy Now
LT3470AIDDB#TRMPBF 1044
2503.31 €
1003.61 €
255.38 €
16.02 €
Buy Now
LT3470EDDB#TRMPBF 898
2502.41 €
1002.63 €
254.23 €
14.74 €
Buy Now
LT3470EDDB#TRMPBF 898
2502.41 €
1002.63 €
254.23 €
14.74 €
Buy Now
LT3470AEDDB#TRMPBF 531
2502.88 €
1003.15 €
254.69 €
15.25 €
Buy Now
LT3470AEDDB#TRMPBF 531
2502.88 €
1003.15 €
254.69 €
15.25 €
Buy Now
LT3470EDDB#TRMPBF 500
5002.19 €
Buy Now
LT3470AEDDB#TRMPBF 500
5002.62 €
Buy Now
LT3470AIDDB#TRMPBF 500
5003.01 €
Buy Now

Newark element14

ProductStockPriceBuy
LT3470HDDB#TRMPBF 0
15.06 $
5003.00 $
Buy Now
LT3470ETS8#TRMPBF 500
12.00 $
Buy Now
LT3470ETS8#TRMPBF 0
13.55 $
253.55 $
1002.84 $
2502.00 $
Buy Now
LT3470AEDDB#PBF 0
14.19 $
2002.00 $
Buy Now
LT3470ETS8#TRPBF 0
13.70 $
25002.00 $
Buy Now
LT3470ETS8#PBF 0
15.33 $
254.75 $
1004.00 $
Buy Now
LT3470AEDDB#TRMPBF 0
14.19 $
5002.00 $
Buy Now
LT3470EDDB#PBF 0
14.80 $
253.18 $
1002.00 $
Buy Now
LT3470ITS8#TRMPBF 0
14.19 $
5002.00 $
Buy Now
LT3470HDDB#TRPBF 0
15.35 $
25003.00 $
Buy Now
LT3470AIDDB#TRPBF 0
15.08 $
25003.00 $
Buy Now
LT3470AHDDB#TRMPBF 0
15.20 $
5003.00 $
Buy Now
LT3470EDDB#TRPBF 0
13.70 $
25002.00 $
Buy Now
LT3470AIDDB#PBF 0
16.11 $
254.09 $
1003.00 $
Buy Now
LT3470HDDB#PBF 0
16.29 $
254.26 $
1003.00 $
Buy Now
show stock=0hide stock=0

America II Electronics

ProductStockPriceBuy
LT3470ETS8#TRPBF 2500 Buy Now

ComS.I.T.

ProductStockPriceBuy
LT3470IDDBPBF 10

element14 Asia-Pacific

ProductStockPriceBuy
LT3470ETS8#TRMPBF 9326
16.66 $
255.95 $
1003.70 $
2503.39 $
Buy Now
LT3470ETS8#TRMPBF 9326
16.66 $
255.95 $
1003.70 $
2503.39 $
Buy Now
LT3470EDDB#PBF 81
15.97 $
254.15 $
1003.58 $
Buy Now
LT3470ITS8#TRMPBF 1729
17.94 $
257.10 $
1004.42 $
2504.05 $
Buy Now
LT3470ITS8#TRMPBF 1729
17.94 $
257.10 $
1004.42 $
2504.05 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT3470ETS8#TRMPBF 13246
14.62 GBP
253.72 GBP
1002.04 GBP
Buy Now
LT3470EDDB#PBF 101
14.06 GBP
252.88 GBP
1002.04 GBP
Buy Now
LT3470ITS8#TRMPBF 2516
15.47 GBP
254.44 GBP
1002.44 GBP
Buy Now

Schukat electronic

ProductStockPriceBuy
LT3470ETS8TRMPBF 33
15.35 €
103.55 €
502.95 €
1002.85 €
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT3470ETS8#PBF 17
13.95 $
103.70 $
1003.26 $
Buy Now

Chip1Stop

ProductStockPriceBuy
LT3470ETS8#TRMPBF 8500
5003.52 $
Buy Now
LT3470ETS8#TRMPBF 1194
14.95 $
1003.88 $
Buy Now
LT3470EDDB#TRMPBF 500
5003.52 $
Buy Now
LT3470EDDB#TRMPBF 250
14.95 $
1003.88 $
Buy Now
LT3470AEDDB#TRMPBF 7
16.21 $
Buy Now
LT3470ITS8#TRMPBF 1650
15.91 $
1004.63 $
Buy Now
LT3470AIDDB#TRPBF 2500
25004.82 $
Buy Now
LT3470HTS8#TRMPBF 480
17.77 $
1005.88 $
Buy Now
LT3470IDDB#TRMPBF 452
15.91 $
1004.63 $
Buy Now
LT3470ITS8#TRPBF 7500
25003.98 $
Buy Now

New Advantage Corporation

ProductStockPriceBuy
LT3470ETS8#TRMPBF 500
5003.23 $
Buy Now

RS Components

ProductStockPriceBuy
LT3470ETS8#TRMPBF 96
14.32 GBP
53.98 GBP
253.65 GBP
1253.32 GBP
2502.99 GBP
Buy Now
LT3470ETS8#TRMPBF 20
13.83 GBP
103.64 GBP
253.25 GBP
503.06 GBP
752.87 GBP
Buy Now
LT3470ETS8#TRMPBF 76
53.98 GBP
253.65 GBP
1253.32 GBP
2502.99 GBP
Buy Now
LT3470EDDB#TRMPBF 576
103.69 GBP
253.30 GBP
503.11 GBP
752.91 GBP
Buy Now
LT3470ITS8#TRMPBF 459
54.74 GBP
254.36 GBP
1253.98 GBP
2503.60 GBP
Buy Now
LT3470ITS8#TRMPBF 69
15.12 GBP
54.74 GBP
254.36 GBP
1253.98 GBP
2503.60 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
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