LTC3441 Buck-Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3441 is a 5.50 V, 1.20 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 fixed 1000 kHz switching frequency, requires a typical inductor size of 4.7 µH and provides a peak efficiency of 95 %. LTC3441 circuitry consists typically of 7 external components and is available in 1 package option(s): DFN-12 .

For LTC3441 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? 1.20 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. 1000 kHz
Frequency adjustable fixed
Frequency adjustable min.
Frequency adjustable max.
ext.clock sync yes
Frequency sync. min. 300 kHz
Frequency sync. max. 1700 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 900 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
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. 7
current limit adjustable no
LBI/LBO no
Nr. of package options 1
CSP
SOT
MSOP
QFN DFN-12
SO/SOIC
SOP

Charts and pictures

LTC3441 Datasheet

Link to the most up-to-date LTC3441 datasheet and the product page for EVM, tools and support information.

LTC3441

LTC3441 Distributor price breaks and sample stock

LTC3441 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 LTC3441 stock available

Available Distributors with stock: 8

Arrow Electronics

ProductStockPriceBuy
LTC3441EDE#TRPBF 2500
1004.35 $
Buy Now
LTC3441EDE#PBF 1045
10003.99 $
5004.15 $
2504.25 $
1004.48 $
255.42 $
18.15 $
Buy Now
LTC3441EDE 77
5000010.47 $
2500010.77 $
1000010.94 $
500011.10 $
250011.28 $
100011.46 $
50011.65 $
10012.03 $
2522.70 $
166.20 $
Buy Now
LTC3441EDE#TRPBF 0
25004.28 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3441EDE#PBF 443
1004.17 €
255.04 €
17.60 €
Buy Now
DC625A 3
1133.41 €
Buy Now
DC773A 2
1133.41 €
Buy Now
LTC3441EDE#TRPBF 0
25004.01 €
Buy Now
LTC3441EDE#TRPBF 0
5004.13 €
2504.23 €
1004.45 €
255.38 €
18.10 €
Buy Now
LTC3441EDE#TRPBF 0
5004.13 €
2504.23 €
1004.45 €
255.38 €
18.10 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3441EDE#PBF 1045
10003.99 $
5004.15 $
2504.25 $
1004.48 $
255.42 $
28.15 $
Buy Now
LTC3441EDE 77
2522.70 $
166.20 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3441EDE#PBF 1243
18.58 $
255.70 $
1004.71 $
2504.47 $
5004.37 $
10004.20 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC3441EDE 63
LTC3441EDE 32
LTC3441EDE#TRPBF 2336
LTC3441EDE#TRPBF 1793

Quest Components

ProductStockPriceBuy
LTC3441EDE 86
473.81 $
54.40 $
18.79 $
Buy Now
LTC3441EDE 146
1233.81 $
474.10 $
18.79 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LTC3441EDE 35

Chip1Stop

ProductStockPriceBuy
LTC3441EDE#PBF 1
14.47 $
Buy Now

Available Distributors without stock: 2

element14 Asia-Pacific

ProductStockPriceBuy
LTC3441EDE#PBF 0
5006.69 SGD
2506.84 SGD
1007.20 SGD
258.71 SGD
113.11 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3441EDE#PBF 0
5003.16 GBP
2503.30 GBP
1003.44 GBP
503.57 GBP
253.71 GBP
105.05 GBP
15.51 GBP
Buy Now

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to LTC3441. Optional, compare LTC3441 side-by-side with other selected Buck-Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ISL9110 ISL9110 product overviewISL9110 product overview Intersil DFN-12
0% ISL9112 ISL9112 product overviewISL9112 product overview Intersil DFN-12
0% LTC3442 LTC3442 product overviewLTC3442 product overview Linear Technology DFN-12
0% LTC3443 LTC3443 product overviewLTC3443 product overview Linear Technology DFN-12
0% TPS63000 TPS63000 product overviewTPS63000 product overview Texas Instruments QFN-10
0% TPS63000-Q1 TPS63000-Q1 product overviewTPS63000-Q1 product overview Texas Instruments QFN-10
0% TPS63010 TPS63010 product overviewTPS63010 product overview Texas Instruments CSP-20
0% ISL9110A ISL9110A product overviewISL9110A product overview Intersil CSP-20
0% ISL91127 ISL91127 product overviewISL91127 product overview Intersil WLCSP-10, QFN-20
0% ISL91128 ISL91128 product overviewISL91128 product overview Intersil WLCSP-10
10% TPS63060 TPS63060 product overviewTPS63060 product overview Texas Instruments SON-10
10% TPS63060-EP TPS63060-EP product overviewTPS63060-EP product overview Texas Instruments SON-10
10% LTC3111 LTC3111 product overviewLTC3111 product overview Linear Technology MSOP-16, DFN-14
25% ADP2504 ADP2504 product overviewADP2504 product overview Analog Devices QFN-10
25% TPS63011 TPS63011 product overviewTPS63011 product overview Texas Instruments CSP-20
25% TPS63012 TPS63012 product overviewTPS63012 product overview Texas Instruments CSP-20
25% TPS63030 TPS63030 product overviewTPS63030 product overview Texas Instruments QFN-10
50% ADP2503 ADP2503 product overviewADP2503 product overview Analog Devices QFN-10
50% LTC3440 LTC3440 product overviewLTC3440 product overview Linear Technology MSOP-10, DFN-10
50% LTC3530 LTC3530 product overviewLTC3530 product overview Linear Technology MSOP-10, DFN-10
50% TPS63036 TPS63036 product overviewTPS63036 product overview Texas Instruments WLCSP-8, VQFN-12

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3441.

V-IN max. 5.5 V, I-OUT 1.2 A, V-OUT min. 2.4 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025002 2.2 1.8 2.4 57.00 2.8 x 2.8 x 3
744025003 3.3 1.5 1.8 85.00 2.8 x 2.8 x 3
74404024022 2.2 1.8 2.0 80.00 2.5 x 2 x 1.2
74404032022 2.2 1.8 1.7 50.00 3 x 3 x 1.5
74404032033 3.3 1.5 1.5 70.00 3 x 3 x 1.5
74404041033 3.3 1.8 2.1 69.00 4 x 4 x 1.2
74404042033 3.3 2.0 2.9 55.00 4 x 4 x 1.8
74404052033 3.3 2.6 3.0 42.20 5 x 5 x 2
74404052039 3.9 2.4 2.8 50.50 5 x 5 x 2
7440420027 2.7 2.0 2.2 47.00 4.8 x 4.8 x 2
744042003 3.3 2.0 1.8 50.00 4.8 x 4.8 x 2
7440420039 3.9 1.8 1.7 60.00 4.8 x 4.8 x 2
7440430022 2.2 2.5 2.4 27.00 4.8 x 4.8 x 3
7440430027 2.7 2.4 2.0 25.00 4.8 x 4.8 x 3
744043003 3.3 2.2 1.8 30.00 4.8 x 4.8 x 3
7440430039 3.9 1.7 1.7 50.00 4.8 x 4.8 x 3
744045002 2.2 1.6 2.8 88.00 4.5 x 3.2 x 2.9
7440450027 2.7 1.5 2.7 96.00 4.5 x 3.2 x 2.9
744045003 3.3 1.4 2.7 104.00 4.5 x 3.2 x 2.9
7440450039 3.9 1.3 2.5 112.00 4.5 x 3.2 x 2.9
744052002 2.5 2.4 2.7 20.00 5.8 x 5.8 x 2
744052003 3.0 2.2 2.4 40.00 5.8 x 5.8 x 2
7440520039 3.9 2.0 2.1 50.00 5.8 x 5.8 x 2
744053002 2.6 3.0 2.7 20.00 5.8 x 5.8 x 3
744053003 3.0 2.8 2.5 20.00 5.8 x 5.8 x 3
744062002 2.2 3.4 2.7 10.00 6.8 x 6.8 x 2.5
744062003 3.3 2.8 2.5 20.00 6.8 x 6.8 x 2.5
7440680027 2.7 2.2 1.9 52.00 8 x 8 x 1.2
7440680033 3.3 2.0 1.8 61.00 8 x 8 x 1.2
7440690022 2.2 2.8 2.9 35.00 8 x 8 x 1.5
7440690033 3.3 2.6 2.3 42.00 8 x 8 x 1.5
7440700033 3.3 3.2 2.6 30.00 8 x 8 x 2
74408941029 2.9 1.6 3.0 101.00 4.8 x 4.8 x 2.1
74408941035 3.5 1.5 2.8 113.00 4.8 x 4.8 x 2.1
74438322022 2.2 1.3 2.2 252.00 2.5 x 2 x 0.8
74438323022 2.2 1.3 2.5 147.00 2.5 x 2 x 1
74438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
74438324022 2.2 1.6 2.9 123.00 2.5 x 2 x 1.2
74438324033 3.3 1.3 2.6 226.00 2.5 x 2 x 1.2
744773027 2.7 2.3 3.0 39.00 4 x 4.5 x 3.5
744773033 3.3 2.0 2.9 41.00 4 x 4.5 x 3.5
744773039 3.9 1.9 2.6 54.00 4 x 4.5 x 3.5
7447785003 3.3 2.8 3.0 43.00 5.9 x 6.2 x 3.3
74479275222 2.2 1.3 1.7 166.00 2 x 1.25 x 1
74479276222 2.2 1.4 1.8 135.00 2 x 1.6 x 1
74479276222C 2.2 1.6 2.5 112.00 2 x 1.25 x 1
74479287222 2.2 1.5 2.5 132.00 2.5 x 2 x 1
74479288222 2.2 1.7 2.8 90.00 2.5 x 2 x 1.2
74479889222 2.2 1.3 1.7 250.00 2.5 x 2 x 1.2
78438322022 2.2 1.3 2.2 252.00 2.5 x 2 x 0.8
78438323022 2.2 1.3 2.5 147.00 2.5 x 2 x 1
78438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
784773033 3.3 2.0 2.9 41.00 4 x 4.5 x 3.5
784773039 3.9 1.9 2.6 54.00 4 x 4.5 x 3.5
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Feedback
ajax-loader.gif
Loading. Please wait.