LTC3409 Buck Converter overview

Description

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Category
Sub-Category

LTC3409 is a 5.50 V sync Buck Converter from with 0.60 A output current. The maximum 5.50 V input voltage can be regulated down into a 0.61 V to 5.50 V output voltage.

It requires are a typical inductor size of 2.20 µH, a typical external component count of 6 and achieves a peak efficiency of 95 %. Further LTC3409 characteristics are a adjustable 2600 kHz switching frequency and 1 available package option(s): DFN-8 .

For the LTC3409 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. 1.60 V
V-IN max. 5.50 V
I-OUT? 0.60 A
V-OUT min. 0.61 V
V-OUT max. 5.50 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 2600 kHz
Frequency adjustable
Frequency selectable 1700/2600 kHz
ext.clock sync. yes
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 475 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 2.20 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 6
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3409 Datasheet

Link to the most up-to-date LTC3409 datasheet and the product page for EVM, tools and support information.

LTC3409

LTC3409 Sample stock and distributor price breaks

LTC3409 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC3409 stock available

Available Distributors with stock: 8

Arrow Electronics

ProductStockPriceBuy
LTC3409EDD#PBF 2041
10002.41 $
5002.51 $
2502.57 $
1002.71 $
253.28 $
14.94 $
Buy Now
LTC3409EDD#TRPBF 1922
25002.68 $
5002.72 $
2502.77 $
1002.93 $
253.53 $
15.34 $
Buy Now
LTC3409AIDD#PBF 23
1003.45 $
14.06 $
Buy Now
LTC3409EDD#TRPBF 0
25002.54 $
Buy Now
LTC3409AEDD#PBF 0
10002.66 $
5002.77 $
2502.83 $
2422.88 $
Buy Now
LTC3409IDD#TRPBF 0
25003.10 $
Buy Now
LTC3409AEDD#TRPBF 0
25002.98 $
Buy Now
LTC3409IDD#PBF 0
1213.00 $
Buy Now
LTC3409AIDD#TRPBF 0
25003.55 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3409EDD#TRPBF 2212
1002.77 €
253.35 €
15.05 €
Buy Now
LTC3409EDD#TRPBF 2212
1002.77 €
253.35 €
15.05 €
Buy Now
LTC3409EDD#PBF 1561
1002.57 €
253.11 €
14.68 €
Buy Now
LTC3409AEDD#PBF 252
1002.83 €
253.42 €
15.15 €
Buy Now
DC828A 1
167.82 €
Buy Now
LTC3409EDD#TRPBF 0
25002.51 €
Buy Now
LTC3409AEDD#TRPBF 0
25002.72 €
Buy Now
LTC3409IDD#TRPBF 0
25002.82 €
Buy Now
LTC3409IDD#PBF 0
2422.98 €
Buy Now
LTC3409AIDD#TRPBF 0
25003.24 €
Buy Now
LTC3409AIDD#PBF 0
2423.42 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3409EDD#PBF 2041
10002.41 $
5002.51 $
2502.57 $
1002.71 $
253.28 $
34.94 $
Buy Now
LTC3409AEDD#PBF 84
2502.76 $
1002.83 $
253.42 $
45.16 $
Buy Now
LTC3409AIDD#PBF 23
1003.45 $
24.06 $
Buy Now
LTC3409AIDD#PBF 21
34.18 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3409EDD#PBF 823
15.20 $
253.45 $
1002.85 $
2502.70 $
5002.64 $
10002.54 $
Buy Now
LTC3409EDD#TRPBF 1265
15.62 $
253.72 $
1003.08 $
2502.92 $
5002.86 $
25002.67 $
Buy Now
LTC3409AEDD#PBF 242
15.73 $
253.80 $
1003.14 $
2502.98 $
5002.92 $
10002.80 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC3409EDD 9 Buy Now
LTC3409EDD#PBF 162 Buy Now

RS Components

ProductStockPriceBuy
LTC3409EDD#PBF 0
12.54 GBP
3632.47 GBP
Buy Now
LTC3409EDD#PBF 192
102.62 GBP
204.38 GBP
504.14 GBP
Buy Now
LTC3409EDD#PBF 96
13.94 GBP
23.75 GBP
102.62 GBP
204.38 GBP
504.14 GBP
Buy Now
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IChunt

ProductStockPriceBuy
LTC3409EDD#PBF 1611
141.31 CNY
2527.44 CNY
10022.69 CNY
Buy Now

New Advantage Corporation

ProductStockPriceBuy
LTC3409EDD#TRPB 665
12.16 $
Buy Now

Available Distributors without stock: 2

element14 Asia-Pacific

ProductStockPriceBuy
LTC3409EDD#PBF 0
5004.05 SGD
2504.14 SGD
1004.37 SGD
255.27 SGD
17.94 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3409EDD#PBF 0
1002.06 GBP
252.34 GBP
13.67 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3409. Optional, compare LTC3409 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3409A LTC3409A product overviewLTC3409A product overview Linear Technology DFN-8
0% LTC3646-1 LTC3646-1 product overviewLTC3646-1 product overview Linear Technology DFN-14, MSOP-16
0% TPS62050 TPS62050 product overviewTPS62050 product overview Texas Instruments MSOP
0% TPS62051 TPS62051 product overviewTPS62051 product overview Texas Instruments MSOP
0% ADP2442 ADP2442 product overviewADP2442 product overview Analog Devices LFCSP-12
25% ADP2370 ADP2370 product overviewADP2370 product overview Analog Devices QFN-8
25% ADP2371 ADP2371 product overviewADP2371 product overview Analog Devices QFN-8
25% SC192 SC192 product overviewSC192 product overview Semtech MLPD-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3409.

V-IN max. 5.5 V, I-OUT 0.6 A, V-OUT min. 0.613 V, Frequency typ. 2600 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744028001 1.0 1.8 1.5 65.00 2.8 x 2.8 x 1.2
744029001 1.0 2.2 1.6 45.00 2.8 x 2.8 x 1.5
744030001 1.2 1.0 1.1 95.00 3.3 x 3.5 x 1.05
744031001 1.5 1.8 1.6 40.00 3.8 x 3.8 x 1.8
744031010 1.0 2.0 1.6 26.00 3.8 x 3.8 x 1.8
74479773210 1.0 1.2 0.8 180.00 2 x 1.25 x 0.6
74479775210A 1.0 1.3 1.0 110.00 2 x 1.2 x 1.2
74479775215 1.5 1.1 0.8 160.00 2 x 1.2 x 1.2
74479776210 1.0 1.4 1.0 90.00 2 x 1.6 x 1
74479776215 1.5 1.3 0.8 110.00 2 x 1.6 x 1
74479787210B 1.0 2.0 1.2 60.00 2.5 x 2 x 1
74479787215A 1.5 1.9 1.1 70.00 2.5 x 2 x 1
74479876210 1.0 1.5 1.5 70.00 2 x 1.6 x 1
74479887210A 1.0 1.6 1.0 100.00 2.5 x 2 x 1
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