LTC3532 Buck-Boost Converter Overview

Description

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Category
Sub-Category

LTC3532 is a 5.50 V, 0.50 A output current sync Buck-Boost Converter from . The 2.40 V to 5.50 V input range can be converted into a 2.40 V to 5.25 V output voltage.

The Buck-Boost Converter features adjustable 740 kHz switching frequency, requires a typical inductor size of 4.7 µH and provides a peak efficiency of 95 %. LTC3532 circuitry consists typically of 12 external components and is available in 2 package option(s): MSOP-10 DFN-10 .

For LTC3532 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. 2.40 V
V-IN max. 5.50 V
I-OUT? 0.50 A
V-OUT min. 2.40 V
V-OUT max. 5.25 V
V-OUT fixed adjustable
V-OUT programmable no
sync/non-sync sync
Frequency typ. 740 kHz
Frequency adjustable adjustable
Frequency adjustable min. 300 kHz
Frequency adjustable max. 2000 kHz
ext.clock sync no
Frequency sync. min.
Frequency sync. max.
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 1000 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 4.7 µH
Automotive AEC-Q100 no
Light-Load Mode yes
Topology Buck-Boost
Peak Efficiency 95 %
Component count min. 12
current limit adjustable no
LBI/LBO no
Nr. of package options 2
CSP
SOT
MSOP MSOP-10
QFN DFN-10
SO/SOIC
SOP

Charts and pictures

LTC3532 Datasheet

Link to the most up-to-date LTC3532 datasheet and the product page for EVM, tools and support information.

LTC3532

LTC3532 Distributor price breaks and sample stock

LTC3532 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 LTC3532 stock available

Available Distributors with stock: 6

Arrow Electronics

ProductStockPriceBuy
LTC3532EDD#PBF 968
10002.64 $
5002.75 $
2502.81 $
2422.96 $
Buy Now
LTC3532EDD#TRPBF 0
25002.83 $
Buy Now
LTC3532EMS#TRPBF 0
25002.87 $
Buy Now
LTC3532EMS#PBF 0
10002.64 $
5002.75 $
2502.81 $
1002.96 $
253.58 $
15.40 $
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3532EDD#PBF 968
13.36 $
Buy Now
LTC3532EMS#PBF 237
1002.95 $
253.39 $
45.11 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3532EMS#PBF 250
15.68 $
253.77 $
1003.11 $
2502.96 $
5002.89 $
10002.78 $
Buy Now
LTC3532EDD#PBF 228
15.68 $
253.77 $
1003.11 $
2502.96 $
5002.89 $
10002.78 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC3532EDD#TRPBF 3895
15.04 $
63.28 $
172.52 $
512.35 $
1082.18 $
2192.07 $
Buy Now

Quest Components

ProductStockPriceBuy
LTC3532EDD#PBF 1178
8342.20 $
1932.40 $
16.00 $
Buy Now
LTC3532EDD#TRPBF 3116
11122.36 $
6852.70 $
16.75 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3532EMS#PBF 260
263.41 GBP
Buy Now

Available Distributors without stock: 2

element14 Asia-Pacific

ProductStockPriceBuy
LTC3532EMS#PBF 0
5004.34 SGD
2504.44 SGD
1004.68 SGD
255.65 SGD
18.51 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3532EMS#PBF 0
1002.26 GBP
252.63 GBP
14.10 GBP
Buy Now

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to LTC3532. Optional, compare LTC3532 side-by-side with other selected Buck-Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3520 LTC3520 product overviewLTC3520 product overview Linear Technology QFN-24

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3532.

V-IN max. 5.5 V, I-OUT 0.5 A, V-OUT min. 2.4 V, Frequency typ. 740 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025100 10.0 1.0 1.1 170.00 2.8 x 2.8 x 3
74404032100 10.0 0.8 0.9 230.00 3 x 3 x 1.5
74404041100 10.0 1.3 1.0 168.00 4 x 4 x 1.2
74404042100 10.0 1.2 1.5 150.00 4 x 4 x 1.8
744042008 8.2 1.4 1.1 100.00 4.8 x 4.8 x 2
744042100 10.0 1.3 1.0 120.00 4.8 x 4.8 x 2
744042120 12.0 1.2 1.0 150.00 4.8 x 4.8 x 2
744043008 8.2 1.3 1.1 90.00 4.8 x 4.8 x 3
744043100 10.0 1.2 1.0 95.00 4.8 x 4.8 x 3
744043120 12.0 1.1 1.0 100.00 4.8 x 4.8 x 3
744045008 8.2 1.0 1.6 200.00 4.5 x 3.2 x 2.9
744045100 10.0 1.0 1.5 240.00 4.5 x 3.2 x 2.9
744045120 12.0 0.8 1.4 336.00 4.5 x 3.2 x 2.9
744052007 7.5 1.4 1.5 70.00 5.8 x 5.8 x 2
744052009 9.0 1.3 1.4 90.00 5.8 x 5.8 x 2
744052100 10.0 1.1 1.3 105.00 5.8 x 5.8 x 2
744052120 12.0 1.0 1.2 130.00 5.8 x 5.8 x 2
744053008 8.2 2.1 1.6 50.00 5.8 x 5.8 x 3
744053100 10.0 1.5 1.4 60.00 5.8 x 5.8 x 3
744053120 12.0 1.5 1.3 70.00 5.8 x 5.8 x 3
744062007 7.5 1.7 1.6 50.00 6.8 x 6.8 x 2.5
744062100 10.0 1.6 1.4 53.00 6.8 x 6.8 x 2.5
744062120 12.0 1.4 1.3 70.00 6.8 x 6.8 x 2.5
7440680082 8.2 1.4 1.1 142.00 8 x 8 x 1.2
7440680100 10.0 1.2 1.0 177.00 8 x 8 x 1.2
7440680120 12.0 1.2 1.0 195.00 8 x 8 x 1.2
7440690082 8.2 1.7 1.5 99.00 8 x 8 x 1.5
7440690100 10.0 1.6 1.3 112.00 8 x 8 x 1.5
7440690120 12.0 1.4 1.2 148.00 8 x 8 x 1.5
7440700082 8.2 2.2 1.7 70.50 8 x 8 x 2
7440700100 10.0 2.0 1.6 78.00 8 x 8 x 2
74408941089 8.9 1.0 1.7 240.00 4.8 x 4.8 x 2.1
74408941100 10.0 0.9 1.6 248.00 4.8 x 4.8 x 2.1
74438323082 8.2 0.7 1.5 646.00 2.5 x 2 x 1
74438323100 10.0 0.6 1.4 733.00 2.5 x 2 x 1
74438324082 8.2 0.8 1.5 630.00 2.5 x 2 x 1.2
74438324100 10.0 0.7 1.4 680.00 2.5 x 2 x 1.2
744773082 8.2 1.5 1.8 116.00 4 x 4.5 x 3.5
74477310 10.0 1.5 1.7 118.00 4 x 4.5 x 3.5
744773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
744778510 10.0 1.9 1.6 100.00 5.9 x 6.2 x 3.3
744778610 10.0 2.1 1.8 74.00 5.9 x 6.2 x 5.1
78438323082 8.2 0.7 1.5 646.00 2.5 x 2 x 1
78438323100 10.0 0.6 1.4 733.00 2.5 x 2 x 1
784773082 8.2 1.5 1.8 116.00 4 x 4.5 x 3.5
78477310 10.0 1.5 1.7 118.00 4 x 4.5 x 3.5
784773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
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