LT1370 Boost Converter Overview



LT1370 is a 42.00 V, 8.00 A switch current limit non-sync Boost Converter from . The input voltage from 2.40 V to 30.00 V  can be boosted into an output voltage ranging from 3.00 V to 42.00 V.

Features of the Boost Converter are fixed 500 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 90 %. The minimum external component count is 9 and LT1370 is available in 2 package option(s): DD-7 .

For LT1370 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. 2.40 V
V-IN max. 30.00 V
Current-Limit typ.? 8.00 A
V-OUT min. 3.00 V
V-OUT max. 42.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 500 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. yes
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Frequency sync. min. 600 kHz
Frequency sync. max. 800 kHz
Down Mode no
Quiescent current max. 6000 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 90 %
Component count min. 9
current limit adjustable no
Nr.of package options 2

LT1370 Datasheet

Link to the most up-to-date LT1370 datasheet and the product page for EVM, tools and support information.


LT1370 Price breaks and distributor sample stock

LT1370 prices and available online distributors.

Available Distributors with stock: 0

no online Distributor with LT1370 stock available

Available Distributors with stock: 0

no online Distributor with LT1370 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LT1370. Optional, compare LT1370 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
10% LT1370HV LT1370HV product overviewLT1370HV product overview Linear Technology DD-7
25% LT1170 LT1170 product overviewLT1170 product overview Linear Technology TO220-5, DD-5
25% LT1170HV LT1170HV product overviewLT1170HV product overview Linear Technology TO220-5, DD-5
50% LT3436 LT3436 product overviewLT3436 product overview Linear Technology TSSOP-16E

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1370.

V-IN min. 2.4 V, Current-Limit typ. 8 A, V-OUT max. 42 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Loading. Please wait.