LT1371 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LT1371 is a 35.00 V, 3.80 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 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 LT1371 is available in 3 package option(s): SO-20 TO220-7 DD-7 .

For LT1371 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.? 3.80 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. 500 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. 600 kHz
Frequency sync. max. 800 kHz
Down Mode no
Quiescent current max. 5500 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 yes
Topology Boost
Peak Efficiency 90 %
Component count min. 9
current limit adjustable no
Nr.of package options 3
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SO-20
SOP
DIP
TO TO220-7
DDPAK DD-7

LT1371 Datasheet

Link to the most up-to-date LT1371 datasheet and the product page for EVM, tools and support information.

LT1371

LT1371 Price breaks and distributor sample stock

LT1371 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 10

Chip One Stop (5)

ProductStockPriceBuy
LT1371CR#PBF534
19.57 USD
106.79 USD
256.68 USD
Buy Now
LT1371CT7#PBF43
19.59 USD
106.81 USD
256.70 USD
Buy Now
LT1371HVIR#PBF185
111.60 USD
510.30 USD
108.35 USD
Buy Now
LT1371IR#PBF2
111.10 USD
Buy Now
LT1371ISW#PBF4
111.90 USD
Buy Now

Conrad COM (1)

ProductStockPriceBuy
LT1371CR#PBF8Buy Now

Conrad UK (1)

ProductStockPriceBuy
LT1371CR#PBF8Buy Now

Digi-Key (8)

ProductStockPriceBuy
LT1371CR#PBF360
110.12 USD
256.72 USD
1005.61 USD
Buy Now
LT1371HVCR#PBF158
110.76 USD
257.15 USD
1005.97 USD
Buy Now
LT1371IR#PBF125
112.04 USD
258.00 USD
1006.68 USD
Buy Now
LT1371ISW#PBF281
112.81 USD
258.52 USD
1007.29 USD
Buy Now
LT1371HVIR#PBF150
112.43 USD
258.26 USD
1007.09 USD
Buy Now
DC093A3
176.50 USD
10075.38 USD
Buy Now
LT1371CT7#PBF26
110.12 USD
256.72 USD
1005.61 USD
Buy Now
LT1371CR#TRPBF0
7505.71 USD
Buy Now
LT1371HVCT7#PBF0
1505.97 USD
Buy Now
LT1371HVCR#TRPBF0
7506.07 USD
Buy Now
LT1371CSW#TRPBF0
10006.32 USD
Buy Now
LT1371HVCSW#PBF0
1146.58 USD
Buy Now
LT1371HVCSW#TRPBF0
10006.68 USD
Buy Now
LT1371IT7#PBF0
1506.68 USD
Buy Now
LT1371IR#TRPBF0
7506.78 USD
Buy Now
LT1371HVIT7#PBF0
1507.09 USD
Buy Now
LT1371HVIR#TRPBF0
7507.19 USD
Buy Now
LT1371ISW#TRPBF0
10007.40 USD
Buy Now
LT1371HVISW#PBF0
1147.65 USD
Buy Now
LT1371HVISW#TRPBF0
10007.75 USD
Buy Now
LT1371CSW#PBF16
110.89 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LT1371CR#PBF0Buy Now
LT1371CSW#PBF12Buy Now
LT1371CT7#PBF1Buy Now

Farnell Element14 (2)

ProductStockPriceBuy
LT1371CR#PBF0Buy Now
LT1371CSW#PBF12Buy Now
LT1371CT7#PBF4Buy Now

Gerber Electronics (1)

ProductStockPriceBuy
LT1371CR35
16.40 USD
Buy Now

RS Components (2)

ProductStockPriceBuy
LT1371CR#PBF28Buy Now
LT1371CR#PBF143Buy Now

Schukat Electronic (1)

ProductStockPriceBuy
LT1371CRPBF3Buy Now

Transfer Multisort Elektronik (1)

ProductStockPriceBuy
LT1371CR#PBF48Buy Now

Available Distributors without stock: 3

Master Electronics (0)

ProductStockPriceBuy
LT1371D0
1116.49 USD
10109.09 USD
25105.73 USD
50104.13 USD
100102.58 USD
250101.07 USD
100098.18 USD
Buy Now

Newark Electronics (0)

ProductStockPriceBuy
LT1371D0
1294.47 USD
10275.78 USD
25267.30 USD
50263.24 USD
100259.33 USD
250255.52 USD
1000248.20 USD
Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 14

Arrow Electronics

ProductStockPriceBuy
LT1371CR#PBF 234
1005.50 $
16.40 $
Buy Now
LT1371HVIR#PBF 185
1006.95 $
18.10 $
Buy Now
LT1371CT7#PBF 43
1005.50 $
16.40 $
Buy Now
LT1371ISW#PBF 4
1007.15 $
18.35 $
Buy Now
LT1371IR#PBF 2
1006.55 $
17.60 $
Buy Now

Digi-Key

ProductStockPriceBuy
LT1371CR#PBF 360
1004.75 €
255.69 €
18.57 €
Buy Now
LT1371ISW#PBF 281
1006.17 €
257.21 €
110.84 €
Buy Now
LT1371HVCR#PBF 158
1005.05 €
256.05 €
19.11 €
Buy Now
LT1371HVIR#PBF 150
1006.00 €
256.99 €
110.52 €
Buy Now
LT1371IR#PBF 125
1005.66 €
256.77 €
110.19 €
Buy Now
LT1371CT7#PBF 26
1004.75 €
255.69 €
18.57 €
Buy Now
DC093A 3
10063.81 €
164.76 €
Buy Now
LT1371CR#TRPBF 0
7504.84 €
Buy Now
LT1371HVCT7#PBF 0
1505.05 €
Buy Now
LT1371HVCR#TRPBF 0
7505.14 €
Buy Now
LT1371CSW#TRPBF 0
10005.35 €
Buy Now
LT1371HVCSW#PBF 0
1145.57 €
Buy Now
LT1371HVCSW#TRPBF 0
10005.66 €
Buy Now
LT1371IT7#PBF 0
1505.66 €
Buy Now
LT1371IR#TRPBF 0
7505.74 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT1371CR#PBF 234
1005.50 $
26.40 $
Buy Now
LT1371HVIR#PBF 185
1006.95 $
28.10 $
Buy Now
LT1371CT7#PBF 43
26.40 $
Buy Now
LT1371ISW#PBF 4
18.35 $
Buy Now
LT1371IR#PBF 2
27.60 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1371CR#PBF 220
110.14 $
109.29 $
256.72 $
1005.61 $
Buy Now
LT1371CSW#PBF 221
110.91 $
1010.00 $
257.24 $
1006.22 $
Buy Now
LT1371HVCR#PBF 146
110.78 $
109.88 $
257.15 $
1005.97 $
Buy Now
LT1371ISW#PBF 122
112.84 $
1011.76 $
258.52 $
1007.29 $
Buy Now
LT1371D 4
1160.96 $
5156.52 $
10151.49 $
25146.76 $
50137.29 $
Buy Now
LT1371CT7#PBF 82
110.14 $
109.29 $
256.72 $
1005.61 $
Buy Now
LT1371HVIR#PBF 85
112.45 $
1011.41 $
258.26 $
1007.09 $
Buy Now
LT1371IR#PBF 0
112.07 $
1011.06 $
258.00 $
1006.68 $
Buy Now
LT1371CR#TRPBF 0
7505.71 $
Buy Now
LT1371HVCR#TRPBF 0
7506.07 $
Buy Now
LT1371HVCSW#PBF 0
1146.58 $
Buy Now
LT1371HVISW#PBF 0
1147.65 $
Buy Now
LT1371HVCT7#PBF 0
1505.97 $
Buy Now
LT1371IT7#PBF 0
1506.68 $
Buy Now
LT1371HVIT7#PBF 0
1507.09 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1371HVIR 76 Buy Now
LT1371CSW 533 Buy Now
LT1371CSW 7 Buy Now
LT1371CSW#TRPBF 988 Buy Now
LT1371CR#PBF 44 Buy Now
LT1371CR 92 Buy Now
LT1371CR 46
19.30 $
46.04 $
104.65 $
284.34 $
Buy Now
LT1371CR 24 Buy Now
LT1371CR 147 Buy Now
LT1371CR 138 Buy Now

Quest Components

ProductStockPriceBuy
LT1371CR 2100
7283.94 $
4454.13 $
111.25 $
Buy Now
LT1371CR 19
45.63 $
27.50 $
111.25 $
Buy Now
LT1371CR 302
1515.94 $
366.66 $
110.80 $
Buy Now
LT1371CR 36
335.81 $
46.23 $
112.45 $
Buy Now
LT1371CR 19
115.60 $
Buy Now
LT1371CR#PBF 418
1054.43 $
374.80 $
111.07 $
Buy Now
LT1371CR#TR 223
984.74 $
355.14 $
111.85 $
Buy Now
LT1371CT7 5
45.78 $
27.70 $
111.55 $
Buy Now
LT1371HVCR 3233
6354.52 $
3894.73 $
112.90 $
Buy Now
LT1371HVCR#PBF 1
112.29 $
Buy Now
LT1371IR#PBF 5
47.35 $
29.80 $
114.70 $
Buy Now
LT1371ISW 185
1675.76 $
786.01 $
110.02 $
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT1371CR#PBF 48
110.10 $
38.90 $
107.73 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1371HVCR 262
LT1371CRPBF 20
LT1371ISW 74
LT1371SWPBF 63
LT1371IRPBF 59

element14 Asia-Pacific

ProductStockPriceBuy
LT1371CSW#PBF 12
113.29 $
258.84 $
1007.59 $
Buy Now
LT1371CT7#PBF 1
112.34 $
258.20 $
1006.84 $
Buy Now

Farnell element14

ProductStockPriceBuy
LT1371CSW#PBF 12
18.25 GBP
107.56 GBP
255.42 GBP
505.20 GBP
1004.97 GBP
Buy Now
LT1371CT7#PBF 4
18.23 GBP
107.03 GBP
255.08 GBP
504.67 GBP
1004.25 GBP
Buy Now

Schukat electronic

ProductStockPriceBuy
LT1371CRPBF 3
18.10 €
106.40 €
505.80 €
1005.60 €
Buy Now

Chip One Exchange

ProductStockPriceBuy
LT1371CR#PBF 2
LT1371CR 2164

Chip1Stop

ProductStockPriceBuy
LT1371IR#PBF 2
111.10 $
Buy Now
LT1371HVIR#PBF 185
108.35 $
510.30 $
111.60 $
Buy Now
LT1371ISW#PBF 4
111.90 $
Buy Now
LT1371CT7#PBF 43
256.76 $
106.87 $
19.68 $
Buy Now
LT1371CR#PBF 534
256.70 $
106.81 $
19.60 $
Buy Now

RS Components

ProductStockPriceBuy
LT1371CR#PBF 28
17.89 GBP
107.52 GBP
257.15 GBP
Buy Now
LT1371CR#PBF 143
107.52 GBP
257.15 GBP
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LT1371. Optional, compare LT1371 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1371HV LT1371HV product overviewLT1371HV product overview Linear Technology SO-20, TO220-7, DD-7
50% LT1373 LT1373 product overviewLT1373 product overview Linear Technology SO-8, PDIP-8
50% LT1373HV LT1373HV product overviewLT1373HV product overview Linear Technology SO-8, PDIP-8
50% LT1377 LT1377 product overviewLT1377 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 LT1371.

V-IN min. 2.7 V, Current-Limit typ. 3.8 A, V-OUT max. 35 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
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