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: 6

Chip One Stop (3)

ProductStockPriceBuy
LT1373CS8#PBF29
17.25 USD
104.54 USD
Buy Now
LT1373CS8#PBF147
17.07 USD
105.02 USD
254.94 USD
Buy Now
LT1373HVIS8#PBF235
19.14 USD
106.48 USD
256.38 USD
Buy Now

Conrad COM (2)

ProductStockPriceBuy
LT1373CS826Buy Now
LT1373IS8#PBF10Buy Now

Conrad UK (2)

ProductStockPriceBuy
LT1373CS826Buy Now
LT1373IS8#PBF10Buy Now

Digi-Key (8)

ProductStockPriceBuy
LT1373CS8#PBF125
17.48 USD
254.97 USD
1003.93 USD
Buy Now
LT1373IS8#PBF797
18.92 USD
255.92 USD
1004.74 USD
Buy Now
LT1373HVCS8#PBF123
18.10 USD
255.38 USD
1004.28 USD
Buy Now
LT1373HVIS8#PBF406
18.97 USD
255.96 USD
1005.10 USD
Buy Now
LT1373IS8#TRPBF2500
25004.85 USD
Buy Now
LT1373IS8#TRPBF2500
110.13 USD
259.05 USD
1005.81 USD
2505.33 USD
Buy Now
LT1373IS8#TRPBF2500
110.13 USD
259.05 USD
1005.81 USD
2505.33 USD
Buy Now
DC515A5
1153.00 USD
Buy Now
LT1373CN8#PBF0
2003.77 USD
Buy Now
LT1373CS8#TRPBF0
25004.03 USD
Buy Now
LT1373HVCN8#PBF0
2004.13 USD
Buy Now
LT1373HVCS8#TRPBF0
25004.39 USD
Buy Now
LT1373IN8#PBF0
1504.59 USD
Buy Now
LT1373HVIN8#PBF0
1504.95 USD
Buy Now
LT1373HVIS8#TRPBF0
25005.20 USD
Buy Now

RS Components (1)

ProductStockPriceBuy
LT1373CS8#PBF22Buy Now

Transfer Multisort Elektronik (1)

ProductStockPriceBuy
LT1373CN8#PBF35Buy Now

Available Distributors without stock: 2

Element14 (0)

ProductStockPriceBuy
LT1373CS8#PBF0Buy Now
LT1373HVCS8#PBF0Buy Now
LT1373IS8#PBF0Buy Now

Farnell Element14 (0)

ProductStockPriceBuy
LT1373CS8#PBF0Buy Now
LT1373HVCS8#PBF0Buy Now
LT1373IS8#PBF0Buy Now

Available Distributors with stock: 12

Arrow Electronics

ProductStockPriceBuy
LT1373HVCS8#TRPBF 2500
1004.30 $
Buy Now
LT1373HVIS8#PBF 235
1005.00 $
15.80 $
Buy Now

Digi-Key

ProductStockPriceBuy
LT1373IS8#TRPBF 2500
25004.10 €
Buy Now
LT1373IS8#TRPBF 2500
2504.51 €
1004.92 €
257.66 €
18.58 €
Buy Now
LT1373IS8#TRPBF 2500
2504.51 €
1004.92 €
257.66 €
18.58 €
Buy Now
LT1373IS8#PBF 797
1004.02 €
255.01 €
17.55 €
Buy Now
LT1373HVIS8#PBF 406
1004.32 €
255.04 €
17.59 €
Buy Now
LT1373CS8#PBF 125
1003.32 €
254.21 €
16.33 €
Buy Now
LT1373HVCS8#PBF 123
1003.63 €
254.55 €
16.86 €
Buy Now
DC515A 5
1129.53 €
Buy Now
LT1373CN8#PBF 0
2003.20 €
Buy Now
LT1373CS8#TRPBF 0
25003.41 €
Buy Now
LT1373HVCN8#PBF 0
2003.50 €
Buy Now
LT1373HVCS8#TRPBF 0
25003.71 €
Buy Now
LT1373IN8#PBF 0
1503.89 €
Buy Now
LT1373HVIN8#PBF 0
1504.19 €
Buy Now
LT1373HVIS8#TRPBF 0
25004.40 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT1373HVIS8#PBF 235
1005.00 $
25.80 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1373HVCS8#PBF 218
18.11 $
107.44 $
255.38 $
1004.28 $
Buy Now
LT1373CS8#PBF 300
17.50 $
106.87 $
254.97 $
1003.93 $
Buy Now
LT1373HVIS8#PBF 200
18.99 $
108.24 $
255.96 $
1005.10 $
Buy Now
LT1373CN8#PBF 85
17.19 $
106.59 $
254.76 $
1003.77 $
Buy Now
LT1373IS8#PBF 118
18.93 $
108.19 $
255.92 $
1004.74 $
Buy Now
LT1373HVCN8#PBF 0
17.80 $
107.15 $
255.17 $
1004.13 $
Buy Now
LT1373IN8#PBF 0
18.63 $
107.91 $
255.72 $
1004.59 $
Buy Now
LT1373HVIN8#PBF 0
19.35 $
108.56 $
256.19 $
1004.95 $
Buy Now
LT1373CS8#TRPBF 0
25004.03 $
Buy Now
LT1373HVCS8#TRPBF 0
25004.39 $
Buy Now
LT1373IS8#TRPBF 0
25004.84 $
Buy Now
LT1373HVIS8#TRPBF 0
25005.20 $
Buy Now
LT1373CS8 0 Buy Now
LT1373HVIS8 0 Buy Now
LT1373HVCS8 0 Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1373HVCN8 302 Buy Now
LT1373CS8#PBF 40 Buy Now
LT1373CS8#PBF 203 Buy Now
LT1373CS8#TRPBF 196 Buy Now
LT1373IS8#PBF 7 Buy Now
LT1373CS8 233 Buy Now

Quest Components

ProductStockPriceBuy
LT1373CS8 1150
9582.99 $
5863.14 $
18.55 $
Buy Now
LT1373CS8 96
414.62 $
54.95 $
19.90 $
Buy Now
LT1373CS8 74
523.63 $
63.89 $
17.77 $
Buy Now
LT1373HS8 77 Buy Now
LT1373HVCS8 93
453.90 $
54.50 $
19.00 $
Buy Now
LT1373HVIN8 200
1084.32 $
384.68 $
110.80 $
Buy Now
LT1373HVIS8#PBF 50
345.27 $
46.08 $
112.15 $
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT1373CN8#PBF 35
17.79 $
37.01 $
106.20 $
255.38 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1373CS8PBF 102
LT1373CS8 80

Chip One Exchange

ProductStockPriceBuy
LT1373CS8 23

Chip1Stop

ProductStockPriceBuy
LT1373HVIS8#PBF 235
256.38 $
106.48 $
19.14 $
Buy Now
LT1373CS8#PBF 147
254.94 $
105.02 $
17.07 $
Buy Now
LT1373CS8#PBF 29
104.54 $
17.25 $
Buy Now

New Advantage Corporation

ProductStockPriceBuy
LT1373CS8 252 Buy Now

RS Components

ProductStockPriceBuy
LT1373CS8#PBF 22
105.79 GBP
255.48 GBP
505.41 GBP
755.34 GBP
Buy Now

Available Distributors without stock: 1

element14 Asia-Pacific

ProductStockPriceBuy
LT1373HVCS8#PBF 0
19.88 $
256.56 $
1005.27 $
Buy Now

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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