LTC3113 Buck-Boost Converter Overview

Description

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LTC3113 is a 5.50 V, 3.00 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 5.50 V output voltage.

The Buck-Boost Converter features fixed 1000 kHz switching frequency, requires a typical inductor size of 2.2 µH and provides a peak efficiency of 96 %. LTC3113 circuitry consists typically of 10 external components and is available in 2 package option(s): DFN-16 TSSOP-20 .

For LTC3113 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? 3.00 A
V-OUT min. 1.80 V
V-OUT max. 5.50 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. 2000 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 500 µA
Operating min.
Operating max.
Junction min. -40 °C
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. 10
current limit adjustable no
LBI/LBO no
Nr. of package options 2
CSP
SOT
MSOP
QFN DFN-16
SO/SOIC
SOP TSSOP-20

Charts and pictures

LTC3113 position within the market

LTC3113 Datasheet

Link to the most up-to-date LTC3113 datasheet and the product page for EVM, tools and support information.

LTC3113

LTC3113 Distributor price breaks and sample stock

LTC3113 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 LTC3113 stock available

Available Distributors with stock: 0

no online Distributor with LTC3113 stock available

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to LTC3113. Optional, compare LTC3113 side-by-side with other selected Buck-Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% RT6154A RT6154A product overviewRT6154A product overview Richtek WDFN-14
0% ISL91110 ISL91110 product overviewISL91110 product overview Intersil CSP-25
0% RT1741A RT1741A product overviewRT1741A product overview Richtek WDFN-14
10% TPS63020 TPS63020 product overviewTPS63020 product overview Texas Instruments QFN-14
10% ISL91108 ISL91108 product overviewISL91108 product overview Intersil CSP-20
10% TPS63020-Q1 TPS63020-Q1 product overviewTPS63020-Q1 product overview Texas Instruments QFN-14
50% LTC3112 LTC3112 product overviewLTC3112 product overview Linear Technology DFN-16, TSSOP-20
50% LTC3111 LTC3111 product overviewLTC3111 product overview Linear Technology MSOP-16, DFN-14
50% ISL91127 ISL91127 product overviewISL91127 product overview Intersil WLCSP-10, QFN-20
50% ISL91128 ISL91128 product overviewISL91128 product overview Intersil WLCSP-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3113.

V-IN max. 5.5 V, I-OUT 3 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)
74404042010 1.0 3.2 4.8 27.00 4 x 4 x 1.8
74404052010 1.0 3.9 5.5 19.80 5 x 5 x 2
74404052012 1.2 3.6 5.2 23.40 5 x 5 x 2
74404300082 0.8 3.5 3.7 14.00 4.8 x 4.8 x 3
744062001 1.0 4.8 4.6 10.00 6.8 x 6.8 x 2.5
7440690010 1.0 3.6 3.8 21.00 8 x 8 x 1.5
74407000082 0.8 6.2 5.5 8.50 8 x 8 x 2
7440700012 1.2 4.8 4.2 12.50 8 x 8 x 2
74408941010 1.0 3.0 5.4 29.50 4.8 x 4.8 x 2.1
744089420082 0.8 3.5 6.7 21.00 4.8 x 4.8 x 3.1
74408942012 1.2 3.2 5.5 22.00 4.8 x 4.8 x 3.1
744089430082 0.8 3.4 7.1 17.00 4.8 x 4.8 x 4.1
74408943010 1.0 3.3 6.5 19.00 4.8 x 4.8 x 4.1
744383350082 0.8 3.5 7.0 30.00 3 x 3 x 1.5
74438336010 1.0 4.0 5.0 26.00 3 x 3 x 2
74438336012 1.2 3.9 4.8 30.00 3 x 3 x 2
7447730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
744773014 1.4 3.4 5.0 22.00 4 x 4.5 x 3.5
744778001 1.0 5.4 6.4 9.00 7.3 x 7.3 x 3.4
7447785001 1.0 3.5 4.5 31.00 5.9 x 6.2 x 3.3
7447786001 1.0 5.0 5.5 28.00 5.9 x 6.2 x 5.1
7447789001 1.0 5.4 6.4 10.00 7.3 x 7.3 x 3.5
744787012 1.2 4.9 6.0 8.50 7.8 x 7 x 5
74479299210 1.0 3.0 5.2 38.00 3.2 x 2.5 x 1.2
784383350082 0.8 3.5 7.0 30.00 3 x 3 x 1.5
7847730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
784778010 1.0 3.5 7.0 30.00 7.3 x 7.3 x 3.5
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