LTC3533 Buck-Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3533 is a 5.50 V, 2.00 A output current sync Buck-Boost Converter from . The 1.80 V to 5.50 V input range can be converted into a 1.80 V to 5.25 V output voltage.

The Buck-Boost Converter features adjustable 1000 kHz switching frequency, requires a typical inductor size of 2.2 µH and provides a peak efficiency of 96 %. LTC3533 circuitry consists typically of 13 external components and is available in 1 package option(s): DFN-14 .

For LTC3533 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? 2.00 A
V-OUT min. 1.80 V
V-OUT max. 5.25 V
V-OUT fixed adjustable
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 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. 2.2 µH
Automotive AEC-Q100 no
Light-Load Mode yes
Topology Buck-Boost
Peak Efficiency 96 %
Component count min. 13
current limit adjustable no
LBI/LBO no
Nr. of package options 1
CSP
SOT
MSOP
QFN DFN-14
SO/SOIC
SOP

Charts and pictures

LTC3533 Datasheet

Link to the most up-to-date LTC3533 datasheet and the product page for EVM, tools and support information.

LTC3533

LTC3533 Distributor price breaks and sample stock

LTC3533 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
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC3533 stock available

Available Distributors with stock: 7

Arrow Electronics

ProductStockPriceBuy
LTC3533EDE#TRPBF 2963
2504.63 $
1004.69 $
255.67 $
18.55 $
Buy Now
LTC3533EDE#PBF 788
10003.99 $
5004.15 $
2504.25 $
1004.48 $
255.42 $
18.15 $
Buy Now
LTC3533EDE#TRPBF 0
25004.07 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3533EDE#TRPBF 54854
5004.02 €
2504.11 €
1004.33 €
255.62 €
17.88 €
Buy Now
LTC3533EDE#TRPBF 54854
5004.02 €
2504.11 €
1004.33 €
255.62 €
17.88 €
Buy Now
LTC3533EDE#TRPBF 52500
25003.90 €
Buy Now
LTC3533EDE#PBF 10571
5003.83 €
2503.92 €
1004.13 €
254.99 €
17.52 €
Buy Now
DC999A 0
1131.25 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3533EDE#PBF 1088
10003.99 $
5004.15 $
2504.25 $
1004.48 $
255.42 $
28.15 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3533EDE#PBF 6652
18.58 $
255.70 $
1004.71 $
2504.47 $
5004.37 $
10004.20 $
Buy Now
LTC3533EDE#TRPBF 850
19.00 $
255.97 $
1004.94 $
2504.69 $
5004.58 $
25004.28 $
Buy Now

Quest Components

ProductStockPriceBuy
LTC3533EDE#PBF 4
311.17 $
111.97 $
Buy Now

Chip1Stop

ProductStockPriceBuy
LTC3533EDE#PBF 12
106.23 $
18.58 $
Buy Now

RS Components

ProductStockPriceBuy
LTC3533EDE#PBF 365
464.87 GBP
185.35 GBP
Buy Now
LTC3533EDE#PBF 123
464.87 GBP
185.35 GBP
15.83 GBP
Buy Now

Available Distributors without stock: 2

element14 Asia-Pacific

ProductStockPriceBuy
LTC3533EDE#PBF 0
5006.56 SGD
2506.71 SGD
1007.06 SGD
258.54 SGD
112.85 SGD
Buy Now

Richardson RFPD

ProductStockPriceBuy
LTC3533EDE#PBF 0
915.06 $
1004.77 $
5004.64 $
10004.52 $
50004.36 $
Buy Now
LTC3533EDE#TRPBF 0
25004.60 $
50004.43 $
Buy Now

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to LTC3533. Optional, compare LTC3533 side-by-side with other selected Buck-Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
50% 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 LTC3533.

V-IN max. 5.5 V, I-OUT 2 A, V-OUT min. 1.8 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025001 1.2 2.6 3.0 36.00 2.8 x 2.8 x 3
74404042015 1.5 3.0 4.3 31.00 4 x 4 x 1.8
7440420018 1.8 2.4 2.4 40.00 4.8 x 4.8 x 2
7440430012 1.2 3.1 2.8 15.00 4.8 x 4.8 x 3
7440430018 1.8 2.7 2.5 20.00 4.8 x 4.8 x 3
7440520012 1.2 3.0 3.5 20.00 5.8 x 5.8 x 2
7440520018 1.8 2.6 3.0 30.00 5.8 x 5.8 x 2
7440620015 1.5 4.3 4.0 10.00 6.8 x 6.8 x 2.5
7440680017 1.7 2.5 2.4 41.00 8 x 8 x 1.2
7440690016 1.6 3.1 3.3 29.00 8 x 8 x 1.5
7440700012 1.2 4.8 4.2 12.50 8 x 8 x 2
74437321015 1.5 3.0 4.0 55.00 4.45 x 4.06 x 1.2
74438324012 1.2 2.4 4.5 67.00 2.5 x 2 x 1.2
74438324015 1.5 2.2 3.7 82.00 2.5 x 2 x 1.2
74438336012 1.2 3.9 4.8 30.00 3 x 3 x 2
74438336015 1.5 3.7 4.5 33.00 3 x 3 x 2
744773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
784773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
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