LTC3409A Buck Converter overview

Description

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LTC3409A 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 LTC3409A characteristics are a adjustable 2600 kHz switching frequency and 1 available package option(s): DFN-8 .

For the LTC3409A 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

LTC3409A Datasheet

Link to the most up-to-date LTC3409A datasheet and the product page for EVM, tools and support information.

LTC3409A

LTC3409A Sample stock and distributor price breaks

LTC3409A prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 2

ARROW-NAC (1)

ProductStockPriceBuy
LTC3409AIDD#PBF477
14.06 USD
1003.45 USD
Buy Now

DIGI-KEY (1)

ProductStockPriceBuy
LTC3409AEDD#PBF514
15.05 USD
253.39 USD
1002.88 USD
Buy Now
LTC3409AEDD#TRPBF0
25002.98 USD
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LTC3409AIDD#PBF0
2423.45 USD
Buy Now
LTC3409AIDD#TRPBF0
25003.55 USD
Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3409AIDD#PBF0
16.08 USD
254.08 USD
1003.45 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3409A stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3409A. Optional, compare LTC3409A side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3409 LTC3409 product overviewLTC3409 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 LTC3409A.

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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