LTC3401 Boost Converter Overview



LTC3401 is a 5.50 V, 1.60 A switch current limit sync Boost Converter from . The input voltage from 0.85 V to 5.50 V  can be boosted into an output voltage ranging from 2.60 V to 5.50 V.

Features of the Boost Converter are adjustable 2000 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 97 %. The minimum external component count is 9 and LTC3401 is available in 1 package option(s): MSOP-10 .

For LTC3401 replacement search, 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.

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V-IN min. 0.85 V
V-IN max. 5.50 V
Current-Limit typ.? 1.60 A
V-OUT min. 2.60 V
V-OUT max. 5.50 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 2000 kHz
Frequency adjustable adjustable
Frequency selectable
Frequency adj. min. 100 kHz
Frequency adj. max. 3000 kHz
extern clock sync. yes
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK yes
Frequency sync. min. 100 kHz
Frequency sync. max. 3000 kHz
Down Mode no
Quiescent current max. 800 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 170 °C
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 97 %
Component count min. 9
current limit adjustable no
Nr.of package options 1

LTC3401 Datasheet

Link to the most up-to-date LTC3401 datasheet and the product page for EVM, tools and support information.


LTC3401 Price breaks and distributor sample stock

LTC3401 prices and available online distributors.

Available Distributors with stock: 0

no online Distributor with LTC3401 stock available

Available Distributors with stock: 0

no online Distributor with LTC3401 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3401. Optional, compare LTC3401 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3402 LTC3402 product overviewLTC3402 product overview Linear Technology MSOP-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3401.

V-IN min. 0.85 V, Current-Limit typ. 1.6 A, V-OUT max. 5.5 V, Frequency typ. 2000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302007 0.1 30.0 60.0 0.24 6.95 x 6.8 x 4.7
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
744304010 0.1 26.0 52.0 0.17 11.5 x 11.8 x 4
744373240010 0.1 12.0 30.0 3.20 4.45 x 4.06 x 2
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