LT3461 Boost Converter Overview



LT3461 is a 38.00 V, 0.42 A switch current limit sync Boost Converter from . The input voltage from 2.50 V to 16.00 V  can be boosted into an output voltage ranging from 2.50 V to 38.00 V.

Features of the Boost Converter are fixed 1300 kHz switching frequency, a typical inductor size of 10.0 µH and it offers a peak efficiency of  up to 82 %. The minimum external component count is 6 and LT3461 is available in 1 package option(s): SOT23-6 .

For LT3461 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. 2.50 V
V-IN max. 16.00 V
Current-Limit typ.? 0.42 A
V-OUT min. 2.50 V
V-OUT max. 38.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 1300 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 3600 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 82 %
Component count min. 6
current limit adjustable no
Nr.of package options 1

LT3461 Datasheet

Link to the most up-to-date LT3461 datasheet and the product page for EVM, tools and support information.


LT3461 Price breaks and distributor sample stock

LT3461 prices and available online distributors.

Available Distributors with stock: 0

no online Distributor with LT3461 stock available

Available Distributors with stock: 0

no online Distributor with LT3461 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LT3461. Optional, compare LT3461 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
10% LT3461A LT3461A product overviewLT3461A product overview Linear Technology SOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3461.

V-IN min. 2.5 V, Current-Limit typ. 0.42 A, V-OUT max. 38 V, Frequency typ. 1300 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
7440710082 0.8 7.3 8.0 7.00 8 x 8 x 4.6
744314076 0.8 15.5 15.0 2.25 7 x 6.9 x 5
744316068 0.7 12.8 13.5 4.00 5.5 x 5.3 x 4.3
744373360068 0.7 8.0 15.0 10.00 5.7 x 5.2 x 3
744383560056 0.6 8.5 10.8 7.00 4.1 x 4.1 x 2.1
744383560068 0.7 8.2 9.4 7.50 4.1 x 4.1 x 2.1
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