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: 12

Chip One Stop (1)

ProductStockPriceBuy
LT3470ETS8#TRMPBF478
16.02 USD
103.91 USD
503.02 USD
1002.86 USD
2002.76 USD
Buy Now

Conrad COM (1)

ProductStockPriceBuy
LT3470ITS8#TRMPBF12Buy Now

Conrad UK (1)

ProductStockPriceBuy
LT3470ITS8#TRMPBF12Buy Now

Digi-Key (16)

ProductStockPriceBuy
LT3470EDDB#TRMPBF500
5002.55 USD
Buy Now
LT3470EDDB#TRMPBF1142
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
Buy Now
LT3470EDDB#TRMPBF1142
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
Buy Now
LT3470AEDDB#TRMPBF500
5003.05 USD
Buy Now
LT3470AEDDB#TRMPBF919
16.11 USD
255.46 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470AEDDB#TRMPBF919
16.11 USD
255.46 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470AIDDB#TRMPBF1000
5003.50 USD
Buy Now
LT3470AIDDB#TRMPBF1223
17.00 USD
256.25 USD
1004.20 USD
2503.85 USD
Buy Now
LT3470AIDDB#TRMPBF1223
17.00 USD
256.25 USD
1004.20 USD
2503.85 USD
Buy Now
LT3470HDDB#TRMPBF500
5003.68 USD
Buy Now
LT3470HDDB#TRMPBF624
17.18 USD
256.41 USD
1004.42 USD
2504.05 USD
Buy Now
LT3470HDDB#TRMPBF624
17.18 USD
256.41 USD
1004.42 USD
2504.05 USD
Buy Now
LT3470IDDB#TRMPBF500
5003.05 USD
Buy Now
LT3470IDDB#TRMPBF770
16.57 USD
255.87 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470IDDB#TRMPBF770
16.57 USD
255.87 USD
1003.66 USD
2503.35 USD
Buy Now
DC1037A2
176.50 USD
10075.38 USD
Buy Now
LT3470ETS8#TRMPBF0
5002.55 USD
Buy Now
LT3470ETS8#TRMPBF0
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
Buy Now
LT3470ETS8#TRMPBF0
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
Buy Now
LT3470ITS8#TRMPBF0
5003.05 USD
Buy Now
LT3470ITS8#TRMPBF0
16.57 USD
255.87 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470ITS8#TRMPBF0
16.57 USD
255.87 USD
1003.66 USD
2503.35 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 (2)

ProductStockPriceBuy
LT3470ETS8#TRMPBF684
18.40 USD
257.51 USD
1004.67 USD
2504.28 USD
Buy Now
LT3470ETS8#TRMPBF684
18.40 USD
257.51 USD
1004.67 USD
2504.28 USD
Buy Now
LT3470ITS8#TRMPBF0
110.02 USD
258.95 USD
1005.58 USD
2505.12 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
LT3470EDDB#PBF0Buy Now
LT3470ETS8#TRMPBF118Buy Now
LT3470ETS8#TRMPBF0Buy Now
LT3470ITS8#TRMPBF0Buy Now
LT3470ITS8#TRMPBF0Buy Now

Mouser Electronics (9)

ProductStockPriceBuy
LT3470HTS8#TRPBF2345
17.25 USD
106.73 USD
256.46 USD
1004.53 USD
2504.15 USD
25003.78 USD
Buy Now
LT3470HDDB#TRPBF2500
17.25 USD
106.73 USD
256.46 USD
1004.53 USD
2504.15 USD
25003.78 USD
Buy Now
LT3470ITS8#TRMPBF1450
16.75 USD
106.26 USD
256.01 USD
1003.75 USD
2503.44 USD
5003.13 USD
Buy Now
LT3470AEDDB#TRMPBF496
16.28 USD
105.83 USD
255.60 USD
1003.75 USD
2503.44 USD
5003.13 USD
Buy Now
LT3470IDDB#TRMPBF500
16.75 USD
106.26 USD
256.01 USD
1003.75 USD
2503.44 USD
5003.13 USD
Buy Now
LT3470HDDB#TRMPBF470
17.36 USD
106.84 USD
256.58 USD
1004.53 USD
2504.15 USD
5003.78 USD
Buy Now
LT3470AHDDB#TRMPBF470
17.66 USD
107.10 USD
256.83 USD
1004.65 USD
2504.26 USD
5003.88 USD
Buy Now
LT3470EDDB#TRMPBF475
15.66 USD
105.25 USD
255.04 USD
1003.14 USD
2502.88 USD
5002.61 USD
Buy Now
LT3470ETS8#TRMPBF3500 On Order
15.66 USD
105.25 USD
255.04 USD
1003.14 USD
2502.88 USD
5002.61 USD
Buy Now
LT3470ETS8#TRPBFNone
25002.61 USD
Buy Now
LT3470HTS8#TRMPBFNone
5003.78 USD
Buy Now
LT3470AIDDB#TRMPBFNone
5003.59 USD
Buy Now
LT3470ITS8#TRPBFNone
25003.13 USD
Buy Now
LT3470EDDB#TRPBFNone
25002.61 USD
Buy Now
LT3470AEDDB#TRPBFNone
25003.13 USD
Buy Now
LT3470AIDDB#TRPBFNone
25003.59 USD
Buy Now
LT3470IDDB#TRPBFNone
25003.13 USD
Buy Now
LT3470AHDDB#TRPBFNone
25003.88 USD
Buy Now

RS Components (6)

ProductStockPriceBuy
LT3470EDDB#TRMPBF294Buy Now
LT3470ETS8#TRMPBF51Buy Now
LT3470ETS8#TRMPBF411Buy Now
LT3470ETS8#TRMPBF1Buy Now
LT3470ITS8#TRMPBF49Buy Now
LT3470ITS8#TRMPBF292Buy Now

Reichelt Elektronik (2)

ProductStockPriceBuy
LT3470ETS8#TRMPBF1Buy Now
LT3470ITS8#TRMPBF1Buy Now

Schukat Electronic (1)

ProductStockPriceBuy
LT3470ETS8TRMPBF46Buy Now

Transfer Multisort Elektronik (1)

ProductStockPriceBuy
LT3470ETS8#PBF11Buy Now

Available Distributors without stock: 2

CPC (0)

ProductStockPriceBuy
LT3470ETS8#TRMPBF0Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 13

Arrow Electronics

ProductStockPriceBuy
LT3470IDDB#TRMPBF 851
13.34 $
1002.99 $
Buy Now
LT3470EDDB#TRMPBF 500
12.80 $
1002.50 $
Buy Now
LT3470AEDDB#TRMPBF 229
13.51 $
1002.99 $
Buy Now
LT3470AIDDB#TRMPBF 173
14.04 $
1003.43 $
Buy Now
LT3470EDDB#TRMPBF 43
12.80 $
1002.50 $
Buy Now
LT3470HTS8#TRMPBF 8
14.39 $
1003.61 $
Buy Now
LT3470HTS8#TRMPBF 0
14.39 $
1003.61 $
Buy Now
LT3470AIDDB#TRMPBF 0
14.04 $
1003.43 $
Buy Now
LT3470AEDDB#TRMPBF 0
13.51 $
1002.99 $
Buy Now
LT3470IDDB#TRMPBF 0
13.34 $
1002.99 $
Buy Now
LT3470HTS8#PBF 0
12.34 $
Buy Now
LT3470AHDDB#TRMPBF 0
14.49 $
1003.71 $
Buy Now
LT3470AHDDB#TRMPBF 0
14.49 $
1003.71 $
Buy Now
LT3470AEDDB#TRPBF 0
13.51 $
1002.99 $
Buy Now
LT3470HDDB#TRPBF 0
14.39 $
1003.61 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3470AIDDB#TRMPBF 1223
2503.28 €
1003.58 €
255.33 €
15.97 €
Buy Now
LT3470AIDDB#TRMPBF 1223
2503.28 €
1003.58 €
255.33 €
15.97 €
Buy Now
LT3470EDDB#TRMPBF 1142
2502.39 €
1002.61 €
254.20 €
14.70 €
Buy Now
LT3470EDDB#TRMPBF 1142
2502.39 €
1002.61 €
254.20 €
14.70 €
Buy Now
LT3470AIDDB#TRMPBF 1000
5002.98 €
Buy Now
LT3470AEDDB#TRMPBF 919
2502.86 €
1003.12 €
254.66 €
15.21 €
Buy Now
LT3470AEDDB#TRMPBF 919
2502.86 €
1003.12 €
254.66 €
15.21 €
Buy Now
LT3470IDDB#TRMPBF 770
2502.86 €
1003.12 €
255.01 €
15.60 €
Buy Now
LT3470IDDB#TRMPBF 770
2502.86 €
1003.12 €
255.01 €
15.60 €
Buy Now
LT3470HDDB#TRMPBF 624
2503.45 €
1003.77 €
255.46 €
16.12 €
Buy Now
LT3470HDDB#TRMPBF 624
2503.45 €
1003.77 €
255.46 €
16.12 €
Buy Now
LT3470EDDB#TRMPBF 500
5002.17 €
Buy Now
LT3470AEDDB#TRMPBF 500
5002.60 €
Buy Now
LT3470HDDB#TRMPBF 500
5003.14 €
Buy Now
LT3470IDDB#TRMPBF 500
5002.60 €
Buy Now

Heilind Electronics - Europe

ProductStockPriceBuy
LT3470ITS8#TRPBF 13
114.62 €
1314.62 €
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT3470HDDB#TRPBF 2500
17.07 $
106.56 $
256.30 $
1004.42 $
2504.05 $
25003.68 $
Buy Now
LT3470HTS8#TRPBF 2345
17.07 $
106.56 $
256.30 $
1004.42 $
2504.05 $
25003.68 $
Buy Now
LT3470ITS8#TRMPBF 450
16.58 $
106.11 $
255.87 $
1003.66 $
2503.35 $
5003.05 $
Buy Now
LT3470AEDDB#TRMPBF 496
16.12 $
105.68 $
255.46 $
1003.66 $
2503.35 $
5003.05 $
Buy Now
LT3470IDDB#TRMPBF 500
16.58 $
106.11 $
255.87 $
1003.66 $
2503.35 $
5003.05 $
Buy Now
LT3470HDDB#TRMPBF 470
17.18 $
106.67 $
256.41 $
1004.42 $
2504.05 $
5003.68 $
Buy Now
LT3470AHDDB#TRMPBF 470
17.47 $
106.93 $
256.66 $
1004.54 $
2504.16 $
5003.78 $
Buy Now
LT3470EDDB#TRMPBF 475
15.52 $
105.12 $
254.92 $
1003.06 $
2502.80 $
5002.55 $
Buy Now
LT3470ETS8#TRMPBF 0
15.52 $
105.12 $
254.92 $
1003.06 $
2502.80 $
5002.55 $
Buy Now
LT3470ETS8#TRPBF 0
25002.55 $
Buy Now
LT3470HTS8#TRMPBF 0
5003.68 $
Buy Now
LT3470AIDDB#TRMPBF 0
5003.50 $
Buy Now
LT3470ITS8#TRPBF 0
25003.05 $
Buy Now
LT3470EDDB#TRPBF 0
25002.55 $
Buy Now
LT3470AEDDB#TRPBF 0
25003.05 $
Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LT3470ETS8 66
574.14 $
164.48 $
16.72 $
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT3470ETS8#PBF 9
14.19 $
103.92 $
1003.46 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT3470ITS8TRMPBF 412
LT3470IDDBPBF 10

element14 Asia-Pacific

ProductStockPriceBuy
LT3470ETS8#TRMPBF 82
16.72 $
256.01 $
1003.73 $
2503.42 $
Buy Now
LT3470ETS8#TRMPBF 82
16.72 $
256.01 $
1003.73 $
2503.42 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT3470ITS8#TRMPBF 0
15.10 GBP
104.62 GBP
253.82 GBP
503.80 GBP
1002.58 GBP
Buy Now
LT3470ETS8#TRMPBF 611
14.40 GBP
103.96 GBP
253.53 GBP
502.87 GBP
1002.19 GBP
Buy Now
show stock=0hide stock=0

Schukat electronic

ProductStockPriceBuy
LT3470ETS8TRMPBF 46
14.80 €
103.20 €
502.65 €
1002.55 €
Buy Now

Chip1Stop

ProductStockPriceBuy
LT3470ITS8#TRMPBF 500
5003.08 $
1003.38 $
17.11 $
Buy Now
LT3470ETS8#TRMPBF 478
2002.76 $
503.02 $
16.02 $
Buy Now

New Advantage Corporation

ProductStockPriceBuy
LT3470ETS8#TRMPBF 6500
5003.42 $
65003.22 $
Buy Now

RS Components

ProductStockPriceBuy
LT3470EDDB#TRMPBF 294
103.87 GBP
253.46 GBP
503.27 GBP
753.06 GBP
Buy Now
LT3470ITS8#TRMPBF 49
15.38 GBP
54.98 GBP
254.59 GBP
1254.20 GBP
2503.81 GBP
Buy Now
LT3470ITS8#TRMPBF 292
54.98 GBP
254.59 GBP
1254.20 GBP
2503.81 GBP
Buy Now
LT3470ETS8#TRMPBF 1
13.83 GBP
103.64 GBP
253.25 GBP
503.06 GBP
752.87 GBP
Buy Now
LT3470ETS8#TRMPBF 411
54.37 GBP
253.95 GBP
1253.53 GBP
2503.11 GBP
Buy Now
LT3470ETS8#TRMPBF 51
14.79 GBP
54.37 GBP
253.95 GBP
1253.53 GBP
2503.11 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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