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: 8

Chip-One-Stop (10)

ProductStockPriceBuy
LT1371CR#PBF701
110.30 USD
58.85 USD
108.64 USD
508.15 USD
1007.68 USD
2007.51 USD
Buy Now
LT1371CR#PBF701
110.30 USD
58.85 USD
108.64 USD
508.15 USD
1007.68 USD
2007.51 USD
Buy Now
LT1371CR#TRPBF1500
7506.61 USD
Buy Now
LT1371CR#TRPBF484
110.90 USD
510.70 USD
108.45 USD
507.63 USD
1006.87 USD
2006.46 USD
Buy Now
LT1371CT7#PBF5
19.74 USD
58.32 USD
Buy Now
LT1371HVCR#PBF17
17.22 USD
56.17 USD
106.03 USD
Buy Now
LT1371HVIR#PBF70
112.30 USD
510.40 USD
1010.20 USD
259.82 USD
509.58 USD
Buy Now
LT1371IR#PBF4
111.90 USD
Buy Now
LT1371IR#TR750
75012.40 USD
Buy Now
LT1371ISW#PBF210
112.70 USD
510.70 USD
1010.60 USD
2510.10 USD
509.88 USD
1009.37 USD
Buy Now

DIGI-KEY (9)

ProductStockPriceBuy
LT1371CR#PBF8Buy Now
LT1371IR#PBF3Buy Now
LT1371CR#PBF2031
19.92 USD
256.59 USD
1005.50 USD
Buy Now
LT1371HVCR#PBF290
110.55 USD
257.01 USD
1005.85 USD
Buy Now
LT1371IR#PBF299
111.81 USD
257.84 USD
1006.55 USD
Buy Now
LT1371CT7#PBF149
19.92 USD
256.59 USD
1005.50 USD
Buy Now
DC093A2
175.38 USD
Buy Now
LT1371CSW#PBF54
110.68 USD
257.10 USD
1006.10 USD
Buy Now
LT1371ISW#PBF1
112.56 USD
258.35 USD
1007.15 USD
Buy Now
LT1371CR#TRPBF0
7505.60 USD
Buy Now
LT1371HVCT7#PBF0
1505.85 USD
Buy Now
LT1371HVCR#TRPBF0
7505.95 USD
Buy Now
LT1371CSW#TRPBF0
10006.20 USD
Buy Now
LT1371HVCSW#PBF0
1146.45 USD
Buy Now
LT1371IT7#PBF0
1506.55 USD
Buy Now
LT1371HVCSW#TRPBF0
10006.55 USD
Buy Now
LT1371IR#TRPBF0
7506.65 USD
Buy Now
LT1371HVIR#PBF0
1506.95 USD
Buy Now
LT1371HVIT7#PBF0
2506.95 USD
Buy Now
LT1371HVIR#TRPBF0
7507.05 USD
Buy Now
LT1371ISW#TRPBF0
10007.25 USD
Buy Now
LT1371HVISW#PBF0
2287.50 USD
Buy Now
LT1371HVISW#TRPBF0
10007.60 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LT1371CSW#PBF118
116.95 USD
2511.27 USD
1009.68 USD
Buy Now
LT1371CT7#PBF8
115.74 USD
2510.46 USD
1008.73 USD
Buy Now

FARNELL-ELEMENT14 (2)

ProductStockPriceBuy
LT1371CR#PBF0Buy Now
LT1371CSW#PBF4Buy Now
LT1371CT7#PBF13Buy Now

Gerber-Electronics (1)

ProductStockPriceBuy
LT1371CR35
16.40 USD
Buy Now

RS-COMPONENTS (1)

ProductStockPriceBuy
LT1371CR#PBF17Buy Now

Schukat (1)

ProductStockPriceBuy
LT1371CRPBF3Buy Now

TME (1)

ProductStockPriceBuy
LT1371CR#PBF48Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LT1371CR#PBF0
110.07 USD
256.71 USD
1005.50 USD
Buy Now
LT1371CR#TRPBF0
18.96 USD
7506.40 USD
Buy Now
LT1371D0
1294.47 USD
10275.78 USD
25267.30 USD
50263.24 USD
100259.33 USD
250255.52 USD
1000248.20 USD
Buy Now
LT1371HVCR#PBF0
110.71 USD
257.14 USD
1005.85 USD
Buy Now
LT1371HVCR#TRPBF0
19.59 USD
7506.85 USD
Buy Now
LT1371ISW#PBF0
112.59 USD
258.44 USD
1007.15 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LT1371 stock available

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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