LT3430 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT3430 is a 60.00 V non-sync Buck Converter from with 2.75 A output current. The maximum 60.00 V input voltage can be regulated down into a 1.20 V to 30.00 V output voltage.

It requires are a typical inductor size of 22.00 µH, a typical external component count of 11 and achieves a peak efficiency of 90 %. Further LT3430 characteristics are a fixed 200 kHz switching frequency and 1 available package option(s): TSSOP-16 .

For the LT3430 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. 5.50 V
V-IN max. 60.00 V
I-OUT? 2.75 A
V-OUT min. 1.20 V
V-OUT max. 30.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 200 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 228 kHz
Frequency adj./ ext.clock max 700 kHz
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 2200 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 22.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 90 %
Component count min. 11
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-16
DIP
TO
DDPAK

LT3430 Datasheet

Link to the most up-to-date LT3430 datasheet and the product page for EVM, tools and support information.

LT3430

LT3430 Sample stock and distributor price breaks

LT3430 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 10

Chip One Stop (6)

ProductStockPriceBuy
LT3430EFE#PBF94
18.81 USD
107.52 USD
505.87 USD
Buy Now
LT3430EFE#PBF2386
112.50 USD
1009.20 USD
Buy Now
LT3430EFE#TR2500
250011.40 USD
Buy Now
LT3430IFE-1#PBF63
114.40 USD
Buy Now
LT3430IFE#PBF501
114.40 USD
10010.50 USD
Buy Now
LT3430IFE#TRPBF1512
112.00 USD
Buy Now

Conrad (2)

ProductStockPriceBuy
LT3430EFE27Buy Now
LT3430EFE-1#PBF17Buy Now

Digi-Key (7)

ProductStockPriceBuy
LT3430EFE#PBF1202
19.95 USD
257.07 USD
1005.82 USD
Buy Now
LT3430IFE#PBF4398
111.43 USD
258.13 USD
1006.69 USD
Buy Now
LT3430EFE-1#PBF351
19.95 USD
257.07 USD
1005.82 USD
Buy Now
LT3430IFE-1#PBF103
111.43 USD
258.13 USD
1006.69 USD
Buy Now
LT3430IFE#TRPBF2500
25006.79 USD
Buy Now
LT3430EFE#TRPBF0
25005.92 USD
Buy Now
LT3430EFE#TRPBF1183
111.42 USD
2510.20 USD
1007.10 USD
2506.51 USD
Buy Now
LT3430EFE#TRPBF1183
111.42 USD
2510.20 USD
1007.10 USD
2506.51 USD
Buy Now
LT3430EFE-1#TRPBF0
25005.92 USD
Buy Now
LT3430IFE-1#TRPBF0
25006.79 USD
Buy Now

Distrelec (1)

ProductStockPriceBuy
LT3430IFE#PBF79Buy Now

Element14 (1)

ProductStockPriceBuy
LT3430EFE#PBF0
115.34 USD
2510.90 USD
1008.97 USD
Buy Now
LT3430IFE#PBF27
117.62 USD
2512.53 USD
10010.31 USD
Buy Now

Farnell Element14 (2)

ProductStockPriceBuy
LT3430EFE#PBF25Buy Now
LT3430IFE#PBF32Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LT3430EFE#PBF0
19.96 USD
257.05 USD
1005.82 USD
Buy Now
LT3430EFE#TRPBF0
110.26 USD
25007.36 USD
Buy Now
LT3430IFE#PBF97
111.44 USD
258.10 USD
1006.69 USD
Buy Now
LT3430IFE#TRPBF0
111.79 USD
25008.46 USD
Buy Now

RS Components (4)

ProductStockPriceBuy
LT3430EFE#PBF3Buy Now
LT3430EFE#PBF146Buy Now
LT3430IFE#PBF17Buy Now
LT3430IFE#PBF54Buy Now

Reichelt Elektronik (2)

ProductStockPriceBuy
LT3430EFE#PBF1Buy Now
LT3430IFE#PBF1Buy Now

Schukat Electronic (1)

ProductStockPriceBuy
LT3430IFEPBF20Buy Now

Available Distributors with stock: 11

Arrow Electronics

ProductStockPriceBuy
LT3430EFE#TR 2500
16.98 $
Buy Now
LT3430EFE#PBF 2024
17.07 $
1005.82 $
Buy Now
LT3430IFE#TRPBF 1410
16.79 $
Buy Now
LT3430EFE#TRPBF 1038
15.92 $
Buy Now
LT3430IFE#PBF 488
18.13 $
1006.69 $
Buy Now
LT3430IFE-1#PBF 63
18.13 $
1006.69 $
Buy Now
LT3430EFE#TRPBF 0
25005.92 $
Buy Now
LT3430EFE#TRPBF 0
25005.92 $
Buy Now
LT3430IFE#TRPBF 0
25006.79 $
Buy Now
LT3430IFE 0
178.90 $
Buy Now
LT3430EFE-1#TRPBF 0
25005.92 $
Buy Now
LT3430IFE-1#TRPBF 0
25006.79 $
Buy Now
LT3430EFE-1#PBF 0
2855.82 $
Buy Now
LT3430IFE#TR 0 Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT3430IFE#PBF 4398
1005.68 €
256.90 €
19.70 €
Buy Now
LT3430IFE#TRPBF 2500
25005.76 €
Buy Now
LT3430EFE#PBF 1202
1004.94 €
256.00 €
18.44 €
Buy Now
LT3430EFE#TRPBF 1183
2505.53 €
1006.03 €
258.66 €
19.69 €
Buy Now
LT3430EFE#TRPBF 1183
2505.53 €
1006.03 €
258.66 €
19.69 €
Buy Now
LT3430EFE-1#PBF 351
1004.94 €
256.00 €
18.44 €
Buy Now
LT3430IFE-1#PBF 103
1005.68 €
256.90 €
19.70 €
Buy Now
LT3430EFE#TRPBF 0
25005.02 €
Buy Now
LT3430EFE-1#TRPBF 0
25005.02 €
Buy Now
LT3430IFE-1#TRPBF 0
25005.76 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LT3430IFE#PBF 97
111.44 $
258.10 $
1006.69 $
Buy Now
LT3430EFE#PBF 0
19.96 $
257.05 $
1005.82 $
Buy Now
LT3430IFE#TRPBF 0
111.79 $
25008.46 $
Buy Now
LT3430EFE#TRPBF 0
110.26 $
25007.36 $
Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LT3430IFE#PBF 12
46.98 $
29.30 $
113.95 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT3430IFETRPBF 9691

element14 Asia-Pacific

ProductStockPriceBuy
LT3430IFE#PBF 27
114.10 $
2510.02 $
1008.24 $
Buy Now
LT3430EFE#PBF 6
112.27 $
258.72 $
1007.17 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT3430IFE#PBF 32
19.38 GBP
256.28 GBP
1005.45 GBP
Buy Now
LT3430EFE#PBF 19
18.24 GBP
255.46 GBP
1004.74 GBP
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT3430EFE#PBF 53
111.00 $
310.30 $
109.15 $
257.97 $
Buy Now

Chip One Exchange

ProductStockPriceBuy
LT3430EFE 65

Chip1Stop

ProductStockPriceBuy
LT3430IFE#PBF 501
114.40 $
10010.50 $
Buy Now
LT3430EFE#PBF 94
18.81 $
107.52 $
505.87 $
Buy Now
LT3430EFE#PBF 767
112.50 $
1009.20 $
Buy Now
LT3430EFE#TR 2500
250011.40 $
Buy Now
LT3430IFE-1#PBF 63
114.40 $
Buy Now
LT3430IFE#TRPBF 1512
112.00 $
Buy Now

RS Components

ProductStockPriceBuy
LT3430IFE#PBF 17
17.00 GBP
106.90 GBP
256.81 GBP
506.72 GBP
756.64 GBP
Buy Now
LT3430IFE#PBF 54
106.90 GBP
256.81 GBP
506.72 GBP
756.64 GBP
Buy Now
LT3430EFE#PBF 3
17.15 GBP
106.78 GBP
256.07 GBP
505.71 GBP
755.60 GBP
Buy Now
LT3430EFE#PBF 146
106.78 GBP
256.07 GBP
505.71 GBP
755.60 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT3430. Optional, compare LT3430 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT3430-1 LT3430-1 product overviewLT3430-1 product overview Linear Technology TSSOP-16
0% LT3431 LT3431 product overviewLT3431 product overview Linear Technology TSSOP-16
10% LT3434 LT3434 product overviewLT3434 product overview Linear Technology TSSOP-16
10% LT3435 LT3435 product overviewLT3435 product overview Linear Technology TSSOP-16
25% MAX5090 MAX5090 product overviewMAX5090 product overview Maxim TQFN-16
50% IFX91041EJ V IFX91041EJ V product overviewIFX91041EJ V product overview Infineon PG-DSO-8
50% TLE8366 TLE8366 product overviewTLE8366 product overview Infineon DSO-8
50% IXD3250-3 IXD3250-3 product overviewIXD3250-3 product overview IXYS SOP-8
50% IXD3250-5 IXD3250-5 product overviewIXD3250-5 product overview IXYS SOP-8
50% IXD3251-3 IXD3251-3 product overviewIXD3251-3 product overview IXYS SOP-8
50% IXD3251-5 IXD3251-5 product overviewIXD3251-5 product overview IXYS SOP-8
50% MAX16936 MAX16936 product overviewMAX16936 product overview Maxim TQFN-32
50% MAX16977 MAX16977 product overviewMAX16977 product overview Maxim TSSOP-EP-16, TQFN-16
50% MAX5082 MAX5082 product overviewMAX5082 product overview Maxim TQFN-16
50% MAX5083 MAX5083 product overviewMAX5083 product overview Maxim TQFN-16
50% CS51411 CS51411 product overviewCS51411 product overview ON Semiconductor SOIC-8, DFN-18
50% CS51413 CS51413 product overviewCS51413 product overview ON Semiconductor SOIC-8, DFN-18
50% NCP1547 NCP1547 product overviewNCP1547 product overview ON Semiconductor SOIC-8, DFN-18
50% NCV51411 NCV51411 product overviewNCV51411 product overview ON Semiconductor SOIC-8, DFN-18
50% NCV8842 NCV8842 product overviewNCV8842 product overview ON Semiconductor DFN-18
50% NCV8843 NCV8843 product overviewNCV8843 product overview ON Semiconductor SOIC-8, DFN-18
50% NCV890201 NCV890201 product overviewNCV890201 product overview ON Semiconductor DFN-10
50% NCV890231 NCV890231 product overviewNCV890231 product overview ON Semiconductor SOIC-8
50% A5972D A5972D product overviewA5972D product overview ST SO-8
50% A5973AD A5973AD product overviewA5973AD product overview ST SO-8
50% A5973D A5973D product overviewA5973D product overview ST SO-8
50% A5974AD A5974AD product overviewA5974AD product overview ST SO-8
50% A5974D A5974D product overviewA5974D product overview ST SO-8
50% A5975AD A5975AD product overviewA5975AD product overview ST SO-8
50% A7985A A7985A product overviewA7985A product overview ST HSOP-8
50% B5973D B5973D product overviewB5973D product overview ST SO-8
50% L5972D L5972D product overviewL5972D product overview ST SO-8
50% L5973AD L5973AD product overviewL5973AD product overview ST HSOP-8
50% L5973D L5973D product overviewL5973D product overview ST HSOP-8
50% XC9250-3 XC9250-3 product overviewXC9250-3 product overview Torex SOP-8
50% XC9250-5 XC9250-5 product overviewXC9250-5 product overview Torex SOP-8
50% XC9251-3 XC9251-3 product overviewXC9251-3 product overview Torex SOP-8
50% XC9251-5 XC9251-5 product overviewXC9251-5 product overview Torex SOP-8
50% XC9270-C XC9270-C product overviewXC9270-C product overview Torex SOP-8
50% XC9270-D XC9270-D product overviewXC9270-D product overview Torex SOP-8
50% XC9271-C XC9271-C product overviewXC9271-C product overview Torex SOP-8
50% XC9271-D XC9271-D product overviewXC9271-D product overview Torex SOP-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3430.

V-IN max. 60 V, I-OUT 2.75 A, V-OUT min. 1.2 V, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404054047 4.7 3.0 3.8 30.00 5 x 5 x 4
74404063047 4.7 3.1 3.3 30.00 6 x 6 x 2.8
74404064047 4.7 3.3 5.5 26.00 6 x 6 x 4.5
74404064068 6.8 3.0 4.3 31.00 6 x 6 x 4.5
74404084047 4.7 4.1 6.5 19.00 8 x 8 x 4.2
74404084068 6.8 3.6 5.0 24.00 8 x 8 x 4.2
74404084082 8.2 3.5 4.6 26.00 8 x 8 x 4.2
7440650047 4.7 4.6 4.2 16.50 10 x 10 x 3.1
7440650068 6.8 4.2 3.6 25.00 10 x 10 x 3.1
744066005 5.0 4.9 5.5 14.50 10 x 10 x 4.1
7440660062 6.2 4.3 4.5 16.50 10 x 10 x 4.1
744071047 4.7 4.8 4.3 17.00 8 x 8 x 4.6
744071056 5.6 4.0 4.0 20.00 8 x 8 x 4.6
744314490 4.9 6.5 6.5 14.50 7 x 6.9 x 5
744314650 6.5 6.0 6.0 21.50 7 x 6.9 x 5
744314760 7.6 4.2 4.8 30.20 7 x 6.9 x 5
744314850 8.5 4.0 4.5 32.50 7 x 6.9 x 5
744316470 4.7 4.6 4.7 24.50 5.5 x 5.3 x 4.3
744316560 5.6 4.5 4.6 28.50 5.5 x 5.3 x 4.3
74437336056 5.6 3.0 6.0 55.00 5.7 x 5.2 x 3
74438356047 4.7 2.9 4.7 63.00 4.1 x 4.1 x 2.1
74438356056 5.6 2.8 4.6 68.00 4.1 x 4.1 x 2.1
7447462047 4.7 4.2 3.7 19.00 5.5 x 5.5 x 8.5
7447471047 4.7 6.9 6.0 10.50 10.5 x 10.5 x 11.5
7447471068 6.8 6.4 5.0 11.90 10.5 x 10.5 x 11.5
744771006 6.8 5.6 6.0 14.00 12 x 12 x 6
744771008 8.2 6.3 6.3 14.00 12 x 12 x 6
7447713047 4.7 4.0 6.0 26.00 10 x 10 x 3
7447713082 8.2 3.0 4.7 41.00 10 x 10 x 3
7447714068 6.8 5.2 5.8 18.50 10 x 10 x 5
7447715004 4.7 5.2 6.3 13.50 12 x 12 x 4.5
7447715006 6.8 4.3 4.7 20.00 12 x 12 x 4.5
744772047 4.7 4.0 5.4 11.60 7.8 x 7.8 x 10
744772068 6.8 3.8 6.5 18.50 7.8 x 7.8 x 10
744777004 4.7 3.2 4.0 25.00 7.3 x 7.3 x 4.5
7447779004 4.7 3.2 4.4 28.00 7.3 x 7.3 x 4.5
7447779006 6.8 2.9 3.3 33.00 7.3 x 7.3 x 4.5
7447789004 4.7 2.9 3.9 33.00 7.3 x 7.3 x 3.5
7447797820 8.2 5.1 5.8 25.30 10.2 x 10.2 x 4.5
7447798720 7.2 7.9 6.0 11.30 10.2 x 10.2 x 6.4
744787047 4.7 3.3 3.6 24.30 7.8 x 7 x 5
784771068 6.8 5.5 6.0 18.00 12 x 12 x 8.3
784771082 8.2 5.1 5.5 20.00 12 x 12 x 8.3
784774047 4.7 3.0 5.5 56.00 5.2 x 5.8 x 4.85
784775047 4.7 4.5 4.5 16.00 7 x 7.8 x 5.5
784775056 5.6 4.0 4.0 18.00 7 x 7.8 x 5.5
784775068 6.8 3.7 3.8 22.00 7 x 7.8 x 5.5
784776047 4.7 5.0 6.0 12.00 9 x 10 x 5.9
784776056 5.6 4.8 5.5 15.00 9 x 10 x 5.9
784776068 6.8 4.4 5.0 16.00 9 x 10 x 5.9
784776082 8.2 4.2 4.3 20.00 9 x 10 x 5.9
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