LT3470 Buck Converter overview

Description

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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: 10

ARROW-NAC (15)

ProductStockPriceBuy
LT3470HDDB#TRMPBF343
14.39 USD
1003.61 USD
Buy Now
LT3470HDDB#TRMPBF500
5003.61 USD
Buy Now
LT3470AHDDB#TRMPBF78
14.49 USD
1003.71 USD
Buy Now
LT3470AEDDB#TRPBF2500
25002.99 USD
Buy Now
LT3470IDDB#TRMPBF72
13.34 USD
1002.99 USD
Buy Now
LT3470IDDB#TRMPBF500
5002.99 USD
Buy Now
LT3470AIDDB#TRMPBF581
14.04 USD
1003.43 USD
Buy Now
LT3470AIDDB#TRMPBF3000
5003.43 USD
Buy Now
LT3470ITS8#TRMPBF245
13.34 USD
1002.99 USD
Buy Now
LT3470ITS8#TRPBF2500
25002.99 USD
Buy Now
LT3470ETS8#TRMPBF997
12.80 USD
1002.50 USD
Buy Now
LT3470ETS8#TRMPBF1000
5002.50 USD
Buy Now
LT3470HTS8#TRMPBF934
14.39 USD
1003.61 USD
Buy Now
LT3470EDDB#TRMPBF1500
5002.50 USD
Buy Now
LT3470EDDB#TRMPBF7
12.80 USD
1002.50 USD
Buy Now

Buerklin (1)

ProductStockPriceBuy
LT3470ITS832Buy Now

Chip-One-Stop (15)

ProductStockPriceBuy
LT3470AEDDB#TRMPBF63
17.02 USD
105.55 USD
255.30 USD
504.84 USD
Buy Now
LT3470AHDDB#TRMPBF128
18.92 USD
107.10 USD
256.77 USD
506.20 USD
1005.74 USD
Buy Now
LT3470AIDDB#TRMPBF5000
5004.71 USD
Buy Now
LT3470AIDDB#TRMPBF531
16.80 USD
105.52 USD
255.45 USD
505.21 USD
1005.08 USD
2004.85 USD
Buy Now
LT3470EDDB#TRMPBF580
15.34 USD
104.42 USD
254.06 USD
503.86 USD
1003.31 USD
2003.16 USD
Buy Now
LT3470EDDB#TRMPBF1000
5003.07 USD
Buy Now
LT3470ETS8#TRMPBF7000
5003.26 USD
Buy Now
LT3470ETS8#TRMPBF606
15.96 USD
104.71 USD
254.49 USD
504.11 USD
1003.80 USD
2003.65 USD
Buy Now
LT3470HDDB#TRMPBF90
16.96 USD
55.91 USD
Buy Now
LT3470HDDB#TRMPBF90
16.96 USD
55.91 USD
Buy Now
LT3470HTS8#TRMPBF258
18.79 USD
106.94 USD
256.62 USD
506.07 USD
1005.60 USD
2005.38 USD
Buy Now
LT3470IDDB#TRMPBF688
16.37 USD
105.48 USD
255.22 USD
504.78 USD
1004.09 USD
2003.90 USD
Buy Now
LT3470ITS8#TRMPBF368
17.24 USD
105.72 USD
255.45 USD
504.99 USD
1004.61 USD
2004.42 USD
Buy Now
LT3470ITS8#TRMPBF1000
5003.79 USD
Buy Now
LT3470ITS8#TRPBF2500
25003.81 USD
Buy Now

DIGI-KEY (20)

ProductStockPriceBuy
LT3470ETS8#TRMPBF3500
5002.50 USD
Buy Now
LT3470ETS8#TRMPBF3954
15.40 USD
254.82 USD
1003.00 USD
2502.75 USD
Buy Now
LT3470ETS8#TRMPBF3954
15.40 USD
254.82 USD
1003.00 USD
2502.75 USD
Buy Now
LT3470ITS8#TRMPBF500
5002.99 USD
Buy Now
LT3470ITS8#TRMPBF1456
16.44 USD
255.75 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470ITS8#TRMPBF1456
16.44 USD
255.75 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470AEDDB#TRMPBF500
5002.99 USD
Buy Now
LT3470AEDDB#TRMPBF634
15.99 USD
255.35 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470AEDDB#TRMPBF634
15.99 USD
255.35 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470AIDDB#TRMPBF1000
5003.43 USD
Buy Now
LT3470AIDDB#TRMPBF1510
16.87 USD
256.13 USD
1004.12 USD
2503.77 USD
Buy Now
LT3470AIDDB#TRMPBF1510
16.87 USD
256.13 USD
1004.12 USD
2503.77 USD
Buy Now
LT3470IDDB#TRMPBF0
5002.99 USD
Buy Now
LT3470IDDB#TRMPBF307
16.44 USD
255.75 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470IDDB#TRMPBF307
16.44 USD
255.75 USD
1003.59 USD
2503.29 USD
Buy Now
LT3470HDDB#TRMPBF0
5003.61 USD
Buy Now
LT3470HDDB#TRMPBF245
17.04 USD
256.28 USD
1004.33 USD
2503.97 USD
Buy Now
LT3470HDDB#TRMPBF245
17.04 USD
256.28 USD
1004.33 USD
2503.97 USD
Buy Now
DC1037A3
175.38 USD
Buy Now
LT3470EDDB#TRMPBF500
5002.50 USD
Buy Now
LT3470EDDB#TRMPBF997
15.40 USD
254.82 USD
1003.00 USD
2502.75 USD
Buy Now
LT3470EDDB#TRMPBF997
15.40 USD
254.82 USD
1003.00 USD
2502.75 USD
Buy Now
LT3470ETS8#TRPBF0
25002.50 USD
Buy Now
LT3470EDDB#TRPBF0
25002.50 USD
Buy Now
LT3470AEDDB#TRPBF0
25002.99 USD
Buy Now

Element14 (5)

ProductStockPriceBuy
LT3470EDDB#PBF185
15.51 USD
255.31 USD
1004.96 USD
Buy Now
LT3470ETS8#TRMPBF4012
18.57 USD
257.65 USD
1004.76 USD
2504.37 USD
Buy Now
LT3470ETS8#TRMPBF4012
18.57 USD
257.65 USD
1004.76 USD
2504.37 USD
Buy Now
LT3470ITS8#TRMPBF1659
110.22 USD
259.13 USD
1005.70 USD
2505.22 USD
Buy Now
LT3470ITS8#TRMPBF1659
110.22 USD
259.13 USD
1005.70 USD
2505.22 USD
Buy Now

FARNELL-ELEMENT14 (5)

ProductStockPriceBuy
LT3470EDDB#PBF400Buy Now
LT3470ETS8#TRMPBF5368Buy Now
LT3470ETS8#TRMPBF5368Buy Now
LT3470ITS8#TRMPBF3116Buy Now
LT3470ITS8#TRMPBF3116Buy Now

NEWARK (2)

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
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#TRMPBF470
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#TRMPBF33Buy Now
LT3470EDDB#TRMPBF577Buy Now
LT3470ETS8#TRMPBF143Buy Now
LT3470ETS8#TRMPBF286Buy Now
LT3470ETS8#TRMPBF15Buy Now
LT3470ETS8#TRMPBF310Buy Now
LT3470ITS8#TRMPBF47Buy Now
LT3470ITS8#TRMPBF497Buy Now

Reichelt Elektronik (2)

ProductStockPriceBuy
LT3470ETS8#TRMPBF1Buy Now
LT3470ITS8#TRMPBF1Buy Now

Schukat (1)

ProductStockPriceBuy
LT3470ETS8TRMPBF43Buy Now

Available Distributors with stock: 0

no online Distributor with LT3470 stock available

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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