LTC3426 Boost Converter Overview



LTC3426 is a 5.00 V, 2.30 A switch current limit non-sync Boost Converter from . The input voltage from 1.60 V to 5.00 V  can be boosted into an output voltage ranging from 2.25 V to 5.00 V.

Features of the Boost Converter are fixed 1200 kHz switching frequency, a typical inductor size of 2.2 µH and it offers a peak efficiency of  up to 91 %. The minimum external component count is 6 and LTC3426 is available in 1 package option(s): TSOT23-6 .

For LTC3426 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.

Search Filter
V-IN min. 1.60 V
V-IN max. 5.00 V
Current-Limit typ.? 2.30 A
V-OUT min. 2.25 V
V-OUT max. 5.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 1200 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 1000 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 2.2 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 91 %
Component count min. 6
current limit adjustable no
Nr.of package options 1

LTC3426 Datasheet

Link to the most up-to-date LTC3426 datasheet and the product page for EVM, tools and support information.


LTC3426 Price breaks and distributor sample stock

LTC3426 prices and available online distributors.

Available Distributors with stock: 0

no online Distributor with LTC3426 stock available

Available Distributors with stock: 0

no online Distributor with LTC3426 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3426. Optional, compare LTC3426 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3428 LTC3428 product overviewLTC3428 product overview Linear Technology DFN-10
10% MAX8752 MAX8752 product overviewMAX8752 product overview Maxim Integrated TDFN-EP-8
50% LT3467 LT3467 product overviewLT3467 product overview Linear Technology SOT23-6, DFN-6
50% LT3467A LT3467A product overviewLT3467A product overview Linear Technology SOT23-6, DFN-6
50% MP3212 MP3212 product overviewMP3212 product overview MPS QFN-10
50% RP401-x001C RP401-x001C product overviewRP401-x001C product overview Ricoh DFN-6
50% RP401-x001D RP401-x001D product overviewRP401-x001D product overview Ricoh DFN-6
50% S-8363 S-8363 product overviewS-8363 product overview Seiko Instruments SOT23-6, SNT-6
50% ASD5001 ASD5001 product overviewASD5001 product overview Golden Gate SOT23-5
50% RP600K-D RP600K-D product overviewRP600K-D product overview Ricoh DFN-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3426.

V-IN min. 1.6 V, Current-Limit typ. 2.3 A, V-OUT max. 5 V, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744304022 0.2 26.0 23.0 0.17 11.5 x 11.8 x 4
744306030 0.3 26.0 24.0 0.30 10.5 x 10.3 x 5.5
744316033 0.3 18.5 20.0 1.75 5.5 x 5.3 x 4.3
744373240022 0.2 9.5 17.0 6.60 4.45 x 4.06 x 2
744373240033 0.3 8.0 16.5 7.80 4.45 x 4.06 x 2
744373340033 0.3 8.2 24.0 6.30 5.7 x 5.2 x 2
744373360033 0.3 9.6 22.0 4.30 5.7 x 5.2 x 3
744383560033 0.3 9.6 12.4 6.00 4.1 x 4.1 x 2.1
7447798022 0.2 19.0 20.0 1.60 10.2 x 10.2 x 6.4
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Loading. Please wait.