LT3435 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT3435 is a 60.00 V non-sync Buck Converter from with 2.40 A output current. The maximum 60.00 V input voltage can be regulated down into a 1.25 V to 30.00 V output voltage.

It requires are a typical inductor size of 15.00 µH, a typical external component count of 13 and achieves a peak efficiency of 90 %. Further LT3435 characteristics are a fixed 500 kHz switching frequency and 1 available package option(s): TSSOP-16 .

For the LT3435 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. 3.30 V
V-IN max. 60.00 V
I-OUT? 2.40 A
V-OUT min. 1.25 V
V-OUT max. 30.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 500 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 575 kHz
Frequency adj./ ext.clock max 700 kHz
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK yes
Quiescent current max. 6000 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 15.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 90 %
Component count min. 13
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-16
DIP
TO
DDPAK

LT3435 Datasheet

Link to the most up-to-date LT3435 datasheet and the product page for EVM, tools and support information.

LT3435

LT3435 Sample stock and distributor price breaks

LT3435 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 5

Chip One Stop (3)

ProductStockPriceBuy
LT3435EFE#PBF41
113.20 USD
Buy Now
LT3435EFE#PBF41
113.20 USD
Buy Now
LT3435IFE#PBF18
115.20 USD
Buy Now

Conrad (1)

ProductStockPriceBuy
LT3435IFE#PBF4Buy Now

Digi-Key (3)

ProductStockPriceBuy
LT3435EFE#PBF270
110.55 USD
257.50 USD
1006.18 USD
Buy Now
DC613A5
1100.50 USD
Buy Now
LT3435IFE#PBF90
112.14 USD
258.63 USD
1007.11 USD
Buy Now
LT3435EFE#TRPBF0
25006.28 USD
Buy Now
LT3435IFE#TRPBF0
25007.21 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LT3435EFE#PBF84
116.26 USD
2511.56 USD
1009.53 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
LT3435EFE#PBF214Buy Now

Available Distributors without stock: 1

Newark Electronics (0)

ProductStockPriceBuy
LT3435EFE#PBF0
110.57 USD
257.48 USD
1006.18 USD
Buy Now
LT3435EFE#TRPBF0
110.88 USD
25007.80 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LT3435 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT3435. Optional, compare LT3435 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT3434 LT3434 product overviewLT3434 product overview Linear Technology TSSOP-16
50% LT1976 LT1976 product overviewLT1976 product overview Linear Technology TSSOP-16
50% LT1977 LT1977 product overviewLT1977 product overview Linear Technology TSSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3435.

V-IN max. 60 V, I-OUT 2.4 A, V-OUT min. 1.25 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052033 3.3 2.6 3.0 42.20 5 x 5 x 2
74404054033 3.3 3.4 4.3 24.00 5 x 5 x 4
74404063033 3.3 3.5 4.5 25.00 6 x 6 x 2.8
7440650033 3.3 5.3 4.7 15.00 10 x 10 x 3.1
744071039 3.9 4.9 4.5 13.00 8 x 8 x 4.6
74408943033 3.3 2.6 3.6 31.00 4.8 x 4.8 x 4.1
744316330 3.3 5.8 5.8 18.50 5.5 x 5.3 x 4.3
74437324033 3.3 2.5 4.2 69.00 4.45 x 4.06 x 2
74438356033 3.3 3.6 5.5 39.90 4.1 x 4.1 x 2.1
7447462033 3.3 4.7 4.0 16.00 5.5 x 5.5 x 8.5
744777003 3.3 3.5 4.6 25.00 7.3 x 7.3 x 4.5
7447779003 3.3 3.3 4.5 26.00 7.3 x 7.3 x 4.5
744778003 3.3 3.1 4.1 24.00 7.3 x 7.3 x 3.4
7447785003 3.3 2.8 3.0 43.00 5.9 x 6.2 x 3.3
7447789003 3.3 3.4 4.2 24.00 7.3 x 7.3 x 3.5
744787027 2.7 4.4 4.5 13.50 7.8 x 7 x 5
744787039 3.9 3.8 4.0 16.70 7.8 x 7 x 5
784775033 3.3 4.9 4.9 12.00 7 x 7.8 x 5.5
784777033 3.3 2.5 4.7 58.00 7.3 x 7.3 x 4.3
784778033 3.3 2.7 3.7 54.00 7.3 x 7.3 x 3.5
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