LTC3528 Boost Converter Overview

Description

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Category
Sub-Category

LTC3528 is a 5.25 V, 1.20 A switch current limit sync Boost Converter from . The input voltage from 0.70 V to 5.25 V  can be boosted into an output voltage ranging from 1.60 V to 5.25 V.

Features of the Boost Converter are fixed 1000 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 94 %. The minimum external component count is 6 and LTC3528 is available in 1 package option(s): DFN-8 .

For LTC3528 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. 0.70 V
V-IN max. 5.25 V
Current-Limit typ.? 1.20 A
V-OUT min. 1.60 V
V-OUT max. 5.25 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK yes
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 500 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 160 °C
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 94 %
Component count min. 6
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3528 Datasheet

Link to the most up-to-date LTC3528 datasheet and the product page for EVM, tools and support information.

LTC3528

LTC3528 Price breaks and distributor sample stock

LTC3528 prices and available online distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with LTC3528 stock available

Available Distributors with stock: 5

Arrow Electronics

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF 490
1002.29 $
Buy Now
LTC3528BEDDB#TRMPBF 0
1002.29 $
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LTC3528EDDB-2#TRPBF 0
1002.37 $
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LTC3528BEDDB#TRPBF 0
1002.29 $
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LTC3528EDDB-2#TRMPBF 0
1002.37 $
Buy Now
LTC3528BEDDB-2#TRPBF 0
1002.37 $
Buy Now
LTC3528BEDDB-2#TRMPBF 0
1002.37 $
Buy Now
LTC3528BEDDB-2#TRMPBF 0
1002.37 $
Buy Now
LTC3528EDDB#TRMPBF 0
1002.29 $
Buy Now
LTC3528EDDB#TRMPBF 0
1002.29 $
Buy Now
LTC3528EDDB#TRPBF 0
1002.29 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF 8467
2502.31 €
1002.43 €
252.94 €
14.43 €
Buy Now
LTC3528BEDDB#TRMPBF 8467
2502.31 €
1002.43 €
252.94 €
14.43 €
Buy Now
LTC3528BEDDB#TRMPBF 7500
5002.19 €
Buy Now
LTC3528BEDDB-2#TRMPBF 3210
2502.31 €
1002.43 €
252.94 €
14.43 €
Buy Now
LTC3528BEDDB-2#TRMPBF 3210
2502.31 €
1002.43 €
252.94 €
14.43 €
Buy Now
LTC3528EDDB#TRMPBF 3184
2502.31 €
1002.43 €
252.94 €
14.43 €
Buy Now
LTC3528EDDB#TRMPBF 3184
2502.31 €
1002.43 €
252.94 €
14.43 €
Buy Now
LTC3528BEDDB-2#TRMPBF 3000
5002.19 €
Buy Now
LTC3528EDDB#TRMPBF 3000
5002.19 €
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DC1211A-A 1
2569.22 €
190.15 €
Buy Now
LTC3528BEDDB#TRPBF 0
25002.13 €
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LTC3528EDDB#TRPBF 0
25002.13 €
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LTC3528BEDDB-2#TRPBF 0
25002.13 €
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LTC3528EDDB-2#TRPBF 0
25002.13 €
Buy Now
LTC3528EDDB-2#TRMPBF 0
5002.19 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF 490
32.29 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3528EDDB#TRMPBF 1711
14.98 $
253.30 $
1002.73 $
2502.59 $
5002.37 $
15002.31 $
Buy Now
LTC3528BEDDB#TRMPBF 1367
14.98 $
253.30 $
1002.73 $
2502.59 $
5002.37 $
15002.31 $
Buy Now
LTC3528BEDDB-2#TRMPBF 0
5002.37 $
15002.31 $
Buy Now
LTC3528EDDB-2#TRMPBF 0
5002.37 $
15002.31 $
Buy Now
LTC3528BEDDB#TRPBF 0
25002.30 $
Buy Now
LTC3528BEDDB-2#TRPBF 0
25002.30 $
Buy Now
LTC3528EDDB#TRPBF 0
25002.30 $
Buy Now
LTC3528EDDB#PBF 0 Buy Now
LTC3528BEDDB-2#PBF 0 Buy Now
LTC3528EDDB-2#PBF 0 Buy Now
LTC3528BEDDB#PBF 0 Buy Now
show stock=0hide stock=0

Quest Components

ProductStockPriceBuy
LTC3528EDDB#TRMPBF 687
2272.04 $
792.21 $
15.10 $
Buy Now

Available Distributors without stock: 1

element14 Asia-Pacific

ProductStockPriceBuy
LTC3528EDDB-2#PBF 0
1004.13 SGD
254.79 SGD
16.88 SGD
Buy Now

Alternatives and equivalents

The following DC/DC Boost Converter are similar to LTC3528. Optional, compare LTC3528 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
25% MAX849 MAX849 product overviewMAX849 product overview Maxim Integrated SO-16
50% AS1337 AS1337 product overviewAS1337 product overview AMS TDFN-8
50% LTC3527 LTC3527 product overviewLTC3527 product overview Linear Technology QFN-16
50% LTC3527-1 LTC3527-1 product overviewLTC3527-1 product overview Linear Technology QFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3528.

V-IN min. 0.7 V, Current-Limit typ. 1.2 A, V-OUT max. 5.25 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302015 0.2 30.0 32.0 0.24 6.95 x 6.8 x 4.7
744303012 0.1 31.0 55.0 0.33 10 x 6.8 x 5
744303015 0.2 31.0 42.0 0.33 10 x 6.8 x 5
744304016 0.2 26.0 32.0 0.17 11.5 x 11.8 x 4
744306020 0.2 26.0 36.0 0.30 10.5 x 10.3 x 5.5
744307012 0.1 29.0 48.0 0.33 7.4 x 7.2 x 7.2
744307016 0.2 29.0 41.0 0.33 7.4 x 7.2 x 7.2
744308015 0.2 27.0 58.0 0.37 10.1 x 7 x 7
744308020 0.2 27.0 48.0 0.37 10.1 x 7 x 7
7443081018 0.2 38.0 60.0 0.29 9.4 x 6.2 x 8.1
744310013 0.1 22.0 48.0 0.91 7 x 6.9 x 3.3
744323020 0.2 22.0 50.0 0.82 10.6 x 10.6 x 3.1
744325016 0.2 25.0 58.0 0.51 10.5 x 10.2 x 5
744355019 0.2 29.0 60.0 0.50 13 x 12.8 x 5
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
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