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 (6)

ProductStockPriceBuy
LT3470AEDDB#TRMPBF229
5003.57 USD
Buy Now
LT3470AHDDB#TRMPBF171
16.23 USD
104.41 USD
254.21 USD
503.87 USD
1003.67 USD
Buy Now
LT3470EDDB#TRMPBF72
5003.25 USD
Buy Now
LT3470ETS8#TRMPBF173
15.72 USD
103.85 USD
502.87 USD
Buy Now
LT3470IDDB#TRMPBF1180
5003.83 USD
Buy Now
LT3470ITS8#TRMPBF55
16.92 USD
104.65 USD
503.47 USD
Buy Now

Conrad COM (1)

ProductStockPriceBuy
LT3470ITS8#TRMPBF12Buy Now

Conrad UK (1)

ProductStockPriceBuy
LT3470ITS8#TRMPBF12Buy Now

Digi-Key (15)

ProductStockPriceBuy
LT3470EDDB#TRMPBF1500
5002.55 USD
Buy Now
LT3470EDDB#TRMPBF1760
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
Buy Now
LT3470EDDB#TRMPBF1760
15.51 USD
254.92 USD
1003.06 USD
2502.81 USD
Buy Now
LT3470AIDDB#TRMPBF500
5003.50 USD
Buy Now
LT3470AIDDB#TRMPBF523
17.00 USD
256.25 USD
1004.20 USD
2503.85 USD
Buy Now
LT3470AIDDB#TRMPBF923
17.00 USD
256.25 USD
1004.20 USD
2503.85 USD
Buy Now
LT3470HDDB#TRMPBF500
5003.68 USD
Buy Now
LT3470HDDB#TRMPBF782
17.18 USD
256.41 USD
1004.42 USD
2504.05 USD
Buy Now
LT3470HDDB#TRMPBF782
17.18 USD
256.41 USD
1004.42 USD
2504.05 USD
Buy Now
DC1037A2
176.50 USD
10075.38 USD
Buy Now
DC1382A2
1102.10 USD
2576.88 USD
10075.38 USD
Buy Now
LT3470AEDDB#TRMPBF0
5003.05 USD
Buy Now
LT3470AEDDB#TRMPBF31
16.11 USD
255.46 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470AEDDB#TRMPBF31
16.11 USD
255.46 USD
1003.66 USD
2503.35 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
LT3470IDDB#TRMPBF0
5003.05 USD
Buy Now
LT3470IDDB#TRMPBF15
16.57 USD
255.87 USD
1003.66 USD
2503.35 USD
Buy Now
LT3470IDDB#TRMPBF15
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

Distrelec (2)

ProductStockPriceBuy
LT3470AIDDB#PBF238Buy Now
LT3470ITS8#PBF111Buy Now

Element14 (1)

ProductStockPriceBuy
LT3470ETS8#TRMPBF0Buy Now
LT3470ETS8#TRMPBF0Buy Now
LT3470ITS8#PBF46Buy Now
LT3470ITS8#TRMPBF0Buy Now
LT3470ITS8#TRMPBF0Buy Now

RS Components (5)

ProductStockPriceBuy
LT3470EDDB#TRMPBF128Buy Now
LT3470ETS8#TRMPBF61Buy Now
LT3470ETS8#TRMPBF257Buy Now
LT3470ITS8#TRMPBF59Buy Now
LT3470ITS8#TRMPBF155Buy Now

Reichelt Elektronik (2)

ProductStockPriceBuy
LT3470ETS8#TRMPBF1Buy Now
LT3470ITS8#TRMPBF1Buy Now

Schukat Electronic (1)

ProductStockPriceBuy
LT3470ETS8TRMPBF69Buy Now

Available Distributors without stock: 1

Farnell Element14 (0)

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

Available Distributors with stock: 11

Arrow Electronics

ProductStockPriceBuy
LT3470EDDB#TRMPBF 1572
1002.50 $
12.80 $
Buy Now
LT3470IDDB#TRMPBF 1140
1002.99 $
13.34 $
Buy Now
LT3470EDDB#TRMPBF 500
1002.50 $
12.80 $
Buy Now
LT3470AEDDB#TRMPBF 229
1002.99 $
13.51 $
Buy Now

Digi-Key

ProductStockPriceBuy
LT3470EDDB#TRMPBF 1760
2502.37 €
1002.59 €
254.17 €
14.66 €
Buy Now
LT3470EDDB#TRMPBF 1760
2502.37 €
1002.59 €
254.17 €
14.66 €
Buy Now
LT3470EDDB#TRMPBF 1500
5002.16 €
Buy Now
LT3470AIDDB#TRMPBF 923
2503.26 €
1003.55 €
255.29 €
15.93 €
Buy Now
LT3470HDDB#TRMPBF 782
2503.43 €
1003.74 €
255.42 €
16.08 €
Buy Now
LT3470HDDB#TRMPBF 782
2503.43 €
1003.74 €
255.42 €
16.08 €
Buy Now
LT3470AIDDB#TRMPBF 523
2503.26 €
1003.55 €
255.29 €
15.93 €
Buy Now
LT3470AIDDB#TRMPBF 500
5002.96 €
Buy Now
LT3470HDDB#TRMPBF 500
5003.12 €
Buy Now
LT3470AEDDB#TRMPBF 31
2502.84 €
1003.10 €
254.62 €
15.17 €
Buy Now
LT3470AEDDB#TRMPBF 31
2502.84 €
1003.10 €
254.62 €
15.17 €
Buy Now
DC1037A 2
10063.81 €
164.76 €
Buy Now
DC1382A 2
10063.81 €
2565.09 €
186.44 €
Buy Now
LT3470AEDDB#TRMPBF 0
5002.58 €
Buy Now
LT3470ETS8#TRMPBF 0
5002.16 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT3470EDDB#TRMPBF 1572
32.80 $
Buy Now
LT3470IDDB#TRMPBF 1140
1002.99 $
33.34 $
Buy Now
LT3470EDDB#TRMPBF 500
12.80 $
Buy Now
LT3470AEDDB#TRMPBF 229
1002.99 $
33.51 $
Buy Now

Heilind Electronics - Europe

ProductStockPriceBuy
LT3470ITS8#TRPBF 13
114.97 €
1314.97 €
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT3470HDDB#TRPBF 2368
17.07 $
106.56 $
256.30 $
1004.42 $
2504.05 $
25003.68 $
Buy Now
LT3470HTS8#TRPBF 1032
17.07 $
106.56 $
256.30 $
1004.42 $
2504.05 $
25003.68 $
Buy Now
LT3470HDDB#TRMPBF 440
17.18 $
106.67 $
256.41 $
1004.42 $
2504.05 $
5003.68 $
Buy Now
LT3470AIDDB#TRMPBF 472
17.01 $
106.51 $
256.25 $
1004.20 $
2503.85 $
5003.50 $
Buy Now
LT3470AEDDB#TRMPBF 76
16.12 $
105.68 $
255.46 $
1003.66 $
2503.35 $
5003.05 $
Buy Now
LT3470EDDB#TRMPBF 238
15.52 $
105.12 $
254.92 $
1003.06 $
2502.80 $
5002.55 $
Buy Now
LT3470IDDB#TRMPBF 139
16.58 $
106.11 $
255.87 $
1003.66 $
2503.35 $
5003.05 $
Buy Now
LT3470AHDDB#TRMPBF 120
17.47 $
106.93 $
256.66 $
1004.54 $
2504.16 $
5003.78 $
Buy Now
LT3470ETS8#TRMPBF 0
15.52 $
105.12 $
254.92 $
1003.06 $
2502.80 $
5002.55 $
Buy Now
LT3470ITS8#TRMPBF 0
16.58 $
106.11 $
255.87 $
1003.66 $
2503.35 $
5003.05 $
Buy Now
LT3470ETS8#TRPBF 0
25002.55 $
Buy Now
LT3470ITS8#TRPBF 0
25003.05 $
Buy Now
LT3470EDDB#TRPBF 0
25002.55 $
Buy Now
LT3470AIDDB#TRPBF 0
25003.50 $
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

ComS.I.T.

ProductStockPriceBuy
LT3470IDDBPBF 10
LT3470ITS8TRMPBF 412

element14 Asia-Pacific

ProductStockPriceBuy
LT3470ITS8#PBF 46
15.26 $
Buy Now

Schukat electronic

ProductStockPriceBuy
LT3470ETS8TRMPBF 69
15.10 €
103.40 €
502.82 €
1002.72 €
Buy Now

Chip1Stop

ProductStockPriceBuy
LT3470IDDB#TRMPBF 1180
5003.83 $
Buy Now
LT3470ETS8#TRMPBF 173
502.87 $
103.85 $
15.72 $
Buy Now
LT3470AEDDB#TRMPBF 229
5003.57 $
Buy Now
LT3470ITS8#TRMPBF 55
503.47 $
104.65 $
16.92 $
Buy Now
LT3470EDDB#TRMPBF 72
5003.25 $
Buy Now
LT3470AHDDB#TRMPBF 171
1003.67 $
254.21 $
16.23 $
Buy Now

RS Components

ProductStockPriceBuy
LT3470ETS8#TRMPBF 151
54.37 GBP
253.95 GBP
1253.53 GBP
2503.11 GBP
Buy Now
LT3470EDDB#TRMPBF 128
253.66 GBP
1003.60 GBP
5003.53 GBP
10003.45 GBP
Buy Now
LT3470ETS8#TRMPBF 106
14.79 GBP
54.37 GBP
253.95 GBP
1253.53 GBP
2503.11 GBP
Buy Now
LT3470ITS8#TRMPBF 9
15.38 GBP
54.98 GBP
254.59 GBP
1254.20 GBP
2503.81 GBP
Buy Now
LT3470ITS8#TRMPBF 50
54.98 GBP
254.59 GBP
1254.20 GBP
2503.81 GBP
Buy Now

Available Distributors without stock: 1

Farnell element14

ProductStockPriceBuy
LT3470ETS8#TRMPBF 0
14.53 GBP
104.07 GBP
253.63 GBP
502.95 GBP
1002.26 GBP
Buy Now
LT3470ITS8#TRMPBF 0
15.10 GBP
104.62 GBP
253.82 GBP
503.80 GBP
1002.58 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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