LTC3528 Boost Converter Overview

Description

Manufacturer
 
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
findchips.com

Available Distributors with stock: 3

Chip One Stop (1)

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF1000
5002.71 USD
Buy Now

Digi-Key (9)

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF3000
5002.34 USD
Buy Now
LTC3528BEDDB#TRMPBF3445
14.59 USD
254.10 USD
1002.80 USD
2502.57 USD
Buy Now
LTC3528BEDDB#TRMPBF3445
14.59 USD
254.10 USD
1002.80 USD
2502.57 USD
Buy Now
LTC3528BEDDB-2#TRMPBF2000
5002.42 USD
Buy Now
LTC3528BEDDB-2#TRMPBF2431
14.88 USD
254.36 USD
1002.90 USD
2502.66 USD
Buy Now
LTC3528BEDDB-2#TRMPBF2431
14.88 USD
254.36 USD
1002.90 USD
2502.66 USD
Buy Now
DC1211A-A2
1102.10 USD
2576.88 USD
10075.38 USD
Buy Now
LTC3528EDDB#TRMPBF0
5002.34 USD
Buy Now
LTC3528EDDB#TRMPBF1
14.59 USD
254.10 USD
1002.80 USD
2502.57 USD
Buy Now
LTC3528EDDB#TRMPBF1
14.59 USD
254.10 USD
1002.80 USD
2502.57 USD
Buy Now
LTC3528BEDDB#TRPBF0
25002.34 USD
Buy Now
LTC3528EDDB#TRPBF0
25002.34 USD
Buy Now
LTC3528BEDDB-2#TRPBF0
25002.42 USD
Buy Now
LTC3528EDDB-2#TRPBF0
25002.42 USD
Buy Now
LTC3528EDDB-2#TRMPBF0
5002.42 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC3528EDDB-2#PBF46Buy Now

Available Distributors without stock: 1

Farnell Element14 (0)

ProductStockPriceBuy
LTC3528EDDB-2#PBF0Buy Now

Available Distributors with stock: 6

Arrow Electronics

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF 1000
1002.29 $
12.79 $
Buy Now

Digi-Key

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF 3445
2502.18 €
1002.37 €
253.47 €
13.89 €
Buy Now
LTC3528BEDDB#TRMPBF 3445
2502.18 €
1002.37 €
253.47 €
13.89 €
Buy Now
LTC3528BEDDB#TRMPBF 3000
5001.98 €
Buy Now
LTC3528BEDDB-2#TRMPBF 2431
2502.25 €
1002.46 €
253.69 €
14.13 €
Buy Now
LTC3528BEDDB-2#TRMPBF 2431
2502.25 €
1002.46 €
253.69 €
14.13 €
Buy Now
LTC3528BEDDB-2#TRMPBF 2000
5002.05 €
Buy Now
DC1211A-A 2
10063.81 €
2565.09 €
186.44 €
Buy Now
LTC3528EDDB#TRMPBF 1
2502.18 €
1002.37 €
253.47 €
13.89 €
Buy Now
LTC3528EDDB#TRMPBF 1
2502.18 €
1002.37 €
253.47 €
13.89 €
Buy Now
LTC3528EDDB#TRMPBF 0
5001.98 €
Buy Now
LTC3528BEDDB#TRPBF 0
25001.98 €
Buy Now
LTC3528EDDB#TRPBF 0
25001.98 €
Buy Now
LTC3528BEDDB-2#TRPBF 0
25002.05 €
Buy Now
LTC3528EDDB-2#TRPBF 0
25002.05 €
Buy Now
LTC3528EDDB-2#TRMPBF 0
5002.05 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF 1000
1002.29 $
42.79 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF 1077
14.60 $
104.27 $
254.10 $
1002.80 $
2502.57 $
5002.34 $
Buy Now
LTC3528EDDB#TRMPBF 0
14.60 $
104.27 $
254.10 $
1002.80 $
2502.57 $
5002.34 $
Buy Now
LTC3528EDDB#TRPBF 0
14.48 $
104.16 $
254.00 $
1002.80 $
2502.57 $
25002.34 $
Buy Now
LTC3528BEDDB-2#TRMPBF 0
14.89 $
104.53 $
254.36 $
1002.90 $
2502.66 $
5002.42 $
Buy Now
LTC3528EDDB-2#TRMPBF 0
5002.42 $
Buy Now
LTC3528BEDDB-2#TRPBF 0
25002.42 $
Buy Now
LTC3528BEDDB#TRPBF 0
25002.34 $
Buy Now
LTC3528EDDB-2#PBF 0 Buy Now
LTC3528EDDB-2#TRPBF 0 Buy Now
LTC3528BEDDB#PBF 0 Buy Now
LTC3528EDDB#PBF 0 Buy Now
LTC3528BEDDB-2#PBF 0 Buy Now
show stock=0hide stock=0

element14 Asia-Pacific

ProductStockPriceBuy
LTC3528EDDB-2#PBF 46
14.34 $
Buy Now

Chip1Stop

ProductStockPriceBuy
LTC3528BEDDB#TRMPBF 1000
5002.71 $
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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