LT1373 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LT1373 is a 35.00 V, 2.00 A switch current limit non-sync Boost Converter from . The input voltage from 2.70 V to 30.00 V  can be boosted into an output voltage ranging from 3.00 V to 35.00 V.

Features of the Boost Converter are fixed 250 kHz switching frequency, a typical inductor size of 22.0 µH and it offers a peak efficiency of  up to 90 %. The minimum external component count is 9 and LT1373 is available in 2 package option(s): SO-8 PDIP-8 .

For LT1373 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.

ParameterValueReplacement
Search Filter
V-IN min. 2.70 V
V-IN max. 30.00 V
Current-Limit typ.? 2.00 A
V-OUT min. 3.00 V
V-OUT max. 35.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 250 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. yes
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min. 300 kHz
Frequency sync. max. 340 kHz
Down Mode no
Quiescent current max. 1500 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 22.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 90 %
Component count min. 9
current limit adjustable no
Nr.of package options 2
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SO-8
SOP
DIP PDIP-8
TO
DDPAK

LT1373 Datasheet

Link to the most up-to-date LT1373 datasheet and the product page for EVM, tools and support information.

LT1373

LT1373 Price breaks and distributor sample stock

LT1373 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 7

Buerklin (1)

ProductStockPriceBuy
LT1373CS880Buy Now

Chip-One-Stop (6)

ProductStockPriceBuy
LT1373CS8#PBF1113
17.28 USD
56.22 USD
106.08 USD
505.73 USD
1005.40 USD
2005.28 USD
Buy Now
LT1373CS8#TRPBF2500
25004.20 USD
Buy Now
LT1373HVCS8#TRPBF2500
25004.56 USD
Buy Now
LT1373HVCS8#TRPBF2500
25004.56 USD
Buy Now
LT1373HVIS8#PBF300
17.45 USD
105.89 USD
255.61 USD
505.14 USD
1004.75 USD
2004.56 USD
Buy Now
LT1373IS8#PBF333
18.52 USD
57.28 USD
107.11 USD
506.70 USD
1006.31 USD
2006.17 USD
Buy Now

DIGI-KEY (7)

ProductStockPriceBuy
LT1373CS826Buy Now
LT1373IS8#PBF10Buy Now
LT1373CS8#PBF530
17.34 USD
254.87 USD
1003.85 USD
Buy Now
LT1373IS8#PBF2864
18.74 USD
255.81 USD
1004.65 USD
Buy Now
LT1373HVIS8#PBF424
18.79 USD
255.84 USD
1005.00 USD
Buy Now
LT1373HVCS8#PBF322
17.94 USD
255.27 USD
1004.20 USD
Buy Now
DC515A5
1150.75 USD
Buy Now
LT1373CN8#PBF0
2003.70 USD
Buy Now
LT1373CS8#TRPBF0
25003.95 USD
Buy Now
LT1373HVCN8#PBF0
2004.05 USD
Buy Now
LT1373HVCS8#TRPBF0
25004.30 USD
Buy Now
LT1373IN8#PBF0
1504.50 USD
Buy Now
LT1373IS8#TRPBF0
25004.75 USD
Buy Now
LT1373HVIN8#PBF0
1504.85 USD
Buy Now
LT1373HVIS8#TRPBF0
25005.10 USD
Buy Now

Element14 (3)

ProductStockPriceBuy
LT1373CS8#PBF239
111.64 USD
257.73 USD
1006.11 USD
Buy Now
LT1373HVCS8#PBF24
112.60 USD
258.36 USD
1006.67 USD
Buy Now
LT1373IS8#PBF176
113.87 USD
259.22 USD
1007.38 USD
Buy Now

FARNELL-ELEMENT14 (3)

ProductStockPriceBuy
LT1373CS8#PBF239Buy Now
LT1373HVCS8#PBF24Buy Now
LT1373IS8#PBF178Buy Now

RS-COMPONENTS (2)

ProductStockPriceBuy
LT1373CN8#PBF3Buy Now
LT1373CS8#PBF56Buy Now

TME (1)

ProductStockPriceBuy
LT1373CN8#PBF37Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LT1373CS8#PBF0
17.40 USD
254.89 USD
1003.85 USD
Buy Now
LT1373HVIS8#TR0
00.00 USD
Buy Now
LT1373IS8#PBF0
18.75 USD
255.82 USD
1004.65 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LT1373 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LT1373. Optional, compare LT1373 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1373HV LT1373HV product overviewLT1373HV product overview Linear Technology SO-8, PDIP-8
0% LT1377 LT1377 product overviewLT1377 product overview Linear Technology SO-8, PDIP-8
10% LT1372 LT1372 product overviewLT1372 product overview Linear Technology SO-8, PDIP-8
10% LT1372HV LT1372HV product overviewLT1372HV product overview Linear Technology SO-8, PDIP-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1373.

V-IN min. 2.7 V, Current-Limit typ. 2 A, V-OUT max. 35 V, Frequency typ. 250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744355182 0.8 27.0 35.0 1.04 13 x 12.8 x 6.5
7443556082 0.8 41.5 65.0 0.54 18.3 x 18.2 x 9.2
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