LTC3531-3.0 Buck-Boost Converter Overview

Description

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Buck-Boost

LTC3531-3.0 is a 5.50 V, 0.20 A output current sync Buck-Boost Converter from . The 1.80 V to 5.50 V input range can be converted into a 3.00 V to 3.00 V output voltage.

The Buck-Boost Converter features fixed 80 kHz switching frequency, requires a typical inductor size of 10.0 µH and provides a peak efficiency of 90 %. LTC3531-3.0 circuitry consists typically of 3 external components and is available in 2 package option(s): TSOT23-6 DFN-8 .

For LTC3531-3.0 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. 1.80 V
V-IN max. 5.50 V
I-OUT? 0.20 A
V-OUT min. 3.00 V
V-OUT max. 3.00 V
V-OUT fixed 3.00
V-OUT programmable no
sync/non-sync sync
Frequency typ. 80 kHz
Frequency adjustable fixed
Frequency adjustable min.
Frequency adjustable max.
ext.clock sync no
Frequency sync. min.
Frequency sync. max.
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 30 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.0 µH
Automotive AEC-Q100 no
Light-Load Mode yes
Topology Buck-Boost
Peak Efficiency 90 %
Component count min. 3
current limit adjustable no
LBI/LBO no
Nr. of package options 2
CSP
SOT TSOT23-6
MSOP
QFN DFN-8
SO/SOIC
SOP

Charts and pictures

LTC3531-3.0 Datasheet

Link to the most up-to-date LTC3531-3.0 datasheet and the product page for EVM, tools and support information.

LTC3531-3.0

LTC3531-3.0 Distributor price breaks and sample stock

LTC3531-3.0 prices and available buy online distributors. Optional, check regional sources for price and inventory: for Russia via efind, for South Korea via ICPart, for Japan via ICBAIBAI, for China via IC5858 or International via IC2IC.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with LTC3531 stock available

Available Distributors with stock: 8

Arrow Electronics

ProductStockPriceBuy
LTC3531EDD-3.3#TRPBF 2500
25002.39 $
Buy Now
LTC3531ES6-3.3#TRPBF 988
5002.42 $
2502.47 $
1002.60 $
253.15 $
14.74 $
Buy Now
LTC3531EDD-3.3#PBF 351
10002.19 $
5002.28 $
2502.33 $
1002.45 $
252.96 $
14.48 $
Buy Now
LTC3531EDD-3.3#PBF 14
2502.40 $
1002.45 $
252.96 $
14.48 $
Buy Now
LTC3531ES6-3#TRMPBF 11
5002.41 $
2502.49 $
1002.62 $
253.17 $
14.79 $
Buy Now
LTC3531ES6-3.3#TRMPBF 1
2502.41 $
1002.46 $
252.97 $
14.48 $
Buy Now
LTC3531ES6-3#TRMPBF 0
15002.24 $
5002.27 $
Buy Now
LTC3531ES6-3.3#TRPBF 0
25002.42 $
Buy Now
LTC3531ES6-3.3#TRMPBF 0
15002.24 $
5002.27 $
Buy Now
LTC3531EDD-3#PBF 0
10002.19 $
5002.28 $
2502.33 $
2422.45 $
Buy Now
LTC3531EDD-3#TRPBF 0
25002.39 $
Buy Now
LTC3531ES6-3#TRPBF 0
25002.35 $
Buy Now
LTC3531EDD#PBF 0
10002.19 $
5002.28 $
2502.33 $
2422.45 $
Buy Now
LTC3531EDD#TRPBF 0
50002.22 $
25002.26 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3531EDD#PBF 12373
1002.32 €
252.81 €
14.23 €
Buy Now
LTC3531ES6-3.3#TRPBF 2691
1002.48 €
253.00 €
14.51 €
Buy Now
LTC3531ES6-3.3#TRPBF 2691
1002.48 €
253.00 €
14.51 €
Buy Now
LTC3531EDD#TRPBF 2490
1002.48 €
253.00 €
14.52 €
Buy Now
LTC3531EDD#TRPBF 2490
1002.48 €
253.00 €
14.52 €
Buy Now
LTC3531ES6-3.3#TRMPBF 1946
1002.50 €
253.03 €
14.56 €
Buy Now
LTC3531ES6-3.3#TRMPBF 1946
1002.50 €
253.03 €
14.56 €
Buy Now
LTC3531ES6-3.3#TRMPBF 1500
5002.25 €
Buy Now
LTC3531EDD-3.3#PBF 1255
1002.32 €
252.81 €
14.23 €
Buy Now
LTC3531ES6-3#TRMPBF 196
1002.48 €
253.00 €
14.51 €
Buy Now
LTC3531ES6-3#TRMPBF 196
1002.48 €
253.00 €
14.51 €
Buy Now
DC877A 4
167.82 €
Buy Now
LTC3531ES6-3.3#TRPBF 0
25002.22 €
Buy Now
LTC3531EDD#TRPBF 0
25002.24 €
Buy Now
LTC3531ES6-3#TRMPBF 0
5002.25 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3531ES6-3.3#TRPBF 988
5002.42 $
2502.47 $
1002.60 $
253.15 $
34.74 $
Buy Now
LTC3531EDD-3.3#PBF 351
10002.19 $
5002.28 $
2502.33 $
1002.45 $
252.96 $
34.48 $
Buy Now
LTC3531EDD-3.3#PBF 104
2502.27 $
1002.32 $
252.81 $
44.24 $
Buy Now
LTC3531EDD-3.3#PBF 14
2502.40 $
1002.45 $
252.96 $
34.48 $
Buy Now
LTC3531ES6-3#TRMPBF 11
5002.41 $
2502.49 $
1002.62 $
253.17 $
34.79 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3531ES6-3#TRMPBF 980
15.04 $
253.34 $
1002.76 $
2502.62 $
5002.39 $
15002.33 $
Buy Now
LTC3531ES6-3.3#TRMPBF 533
15.04 $
253.34 $
1002.76 $
2502.62 $
5002.39 $
15002.33 $
Buy Now
LTC3531EDD#PBF 2367
14.71 $
253.12 $
1002.58 $
2502.45 $
5002.40 $
10002.30 $
Buy Now
LTC3531EDD#TRPBF 2395
15.01 $
253.32 $
1002.75 $
2502.61 $
5002.55 $
25002.38 $
Buy Now
LTC3531EDD-3.3#PBF 459
14.71 $
253.12 $
1002.58 $
2502.45 $
5002.40 $
10002.30 $
Buy Now
LTC3531EDD-3#PBF 299
14.71 $
253.12 $
1002.58 $
2502.45 $
5002.40 $
10002.30 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC3531EDD 86 Buy Now

Quest Components

ProductStockPriceBuy
LTC3531EDD#PBF 2
33.40 $
15.10 $
Buy Now
LTC3531EDD#PBF 159
753.15 $
213.40 $
15.10 $
Buy Now
LTC3531EDD-3#TRPBF 2438
14751.94 $
9022.04 $
15.55 $
Buy Now
LTC3531EDD-3.3#TRPBF 4
33.70 $
15.55 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3531ES6-3.3#TRMPBF 0
12.38 GBP
15002.32 GBP
Buy Now
LTC3531ES6-3.3#TRMPBF 2785
253.60 GBP
1003.15 GBP
5002.70 GBP
10002.40 GBP
Buy Now
LTC3531EDD#PBF 0
12.30 GBP
3632.24 GBP
Buy Now
LTC3531EDD#PBF 715
102.52 GBP
253.51 GBP
503.37 GBP
Buy Now
LTC3531EDD#PBF 358
13.80 GBP
53.61 GBP
102.52 GBP
253.51 GBP
503.37 GBP
Buy Now
LTC3531ES6-3.3#TRMPBF 126
14.05 GBP
253.60 GBP
1003.15 GBP
5002.70 GBP
10002.40 GBP
Buy Now
show stock=0hide stock=0

IChunt

ProductStockPriceBuy
LTC3531EDD#TRPBF 2500
139.88 CNY
2526.46 CNY
10021.88 CNY
Buy Now
LTC3531ES6-3.3#TRMPBF 1990
137.42 CNY
2524.87 CNY
10020.56 CNY
Buy Now
LTC3531EDD-3.3#PBF 1255
137.50 CNY
2524.88 CNY
10020.57 CNY
Buy Now
LTC3531EDD#PBF 13301
137.50 CNY
2524.88 CNY
10020.57 CNY
Buy Now

Available Distributors without stock: 3

Richardson RFPD

ProductStockPriceBuy
LTC3531EDD-3.3#TRPBF 0
25002.56 $
50002.47 $
Buy Now
LTC3531EDD#TRPBF 0
25002.56 $
50002.47 $
Buy Now
LTC3531ES6-3.3#TRPBF 0
25002.55 $
50002.46 $
Buy Now
LTC3531ES6-3.3#TRMPBF 0
5002.64 $
10002.58 $
50002.48 $
Buy Now
LTC3531ES6-3#TRMPBF 0
5002.64 $
10002.58 $
50002.48 $
Buy Now
LTC3531EDD-3.3#PBF 0
2422.62 $
5002.55 $
10002.48 $
50002.39 $
Buy Now
LTC3531ES6-3#TRPBF 0
25002.55 $
50002.46 $
Buy Now
LTC3531EDD-3#TRPBF 0
25002.56 $
50002.47 $
Buy Now
LTC3531EDD-3#PBF 0
2422.62 $
5002.55 $
10002.48 $
50002.39 $
Buy Now
LTC3531EDD#PBF 0
2422.62 $
5002.55 $
10002.48 $
50002.39 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC3531EDD#PBF 0
5003.64 SGD
2503.73 SGD
1003.92 SGD
254.74 SGD
17.13 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3531EDD#PBF 0
1001.87 GBP
252.15 GBP
13.39 GBP
Buy Now

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to LTC3531-3.0. Optional, compare LTC3531-3.0 side-by-side with other selected Buck-Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1331-3.0 AS1331-3.0 product overviewAS1331-3.0 product overview AMS TDFN-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3531-3.0.

V-IN max. 5.5 V, I-OUT 0.2 A, V-OUT min. 3 V, Frequency typ. 80 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404042221 220.0 0.3 0.4 3,450.00 4 x 4 x 1.8
744052221 220.0 0.2 0.3 2,400.00 5.8 x 5.8 x 2
744053221 220.0 0.3 0.3 1,170.00 5.8 x 5.8 x 3
744062221 220.0 0.4 0.3 1,010.00 6.8 x 6.8 x 2.5
7447462221 220.0 0.5 0.5 960.00 5.5 x 5.5 x 8.5
744777270 270.0 0.4 0.5 970.00 7.3 x 7.3 x 4.5
7447779270 270.0 0.4 0.5 1,090.00 7.3 x 7.3 x 4.5
744778218 180.0 0.5 0.5 960.00 7.3 x 7.3 x 3.4
744778222 220.0 0.4 0.4 1,220.00 7.3 x 7.3 x 3.4
744778270 270.0 0.4 0.4 1,440.00 7.3 x 7.3 x 3.4
7447789218 180.0 0.5 0.5 960.00 7.3 x 7.3 x 3.5
7447789222 220.0 0.4 0.4 1,350.00 7.3 x 7.3 x 3.5
7447789270 270.0 0.4 0.4 1,470.00 7.3 x 7.3 x 3.5
7447790221 220.0 0.6 0.5 640.00 6 x 6 x 6.5
784774218 180.0 0.4 0.5 850.00 5.2 x 5.8 x 4.85
784774222 220.0 0.4 0.5 945.00 5.2 x 5.8 x 4.85
784778221 220.0 0.5 0.5 1,350.00 7.3 x 7.3 x 3.5
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