LTC3534 Buck-Boost Converter Overview

Description

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LTC3534 is a 7.00 V, 0.50 A output current sync Buck-Boost Converter from . The 2.40 V to 7.00 V input range can be converted into a 1.80 V to 7.00 V output voltage.

The Buck-Boost Converter features fixed 1000 kHz switching frequency, requires a typical inductor size of 5.0 µH and provides a peak efficiency of 94 %. LTC3534 circuitry consists typically of 9 external components and is available in 2 package option(s): DFN-16 SSOP-16 .

For LTC3534 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. 7.00 V
I-OUT? 0.50 A
V-OUT min. 1.80 V
V-OUT max. 7.00 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 no
Frequency sync. min.
Frequency sync. max.
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 700 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 5.0 µH
Automotive AEC-Q100 no
Light-Load Mode yes
Topology Buck-Boost
Peak Efficiency 94 %
Component count min. 9
current limit adjustable no
LBI/LBO no
Nr. of package options 2
CSP
SOT
MSOP
QFN DFN-16
SO/SOIC
SOP SSOP-16

Charts and pictures

LTC3534 Datasheet

Link to the most up-to-date LTC3534 datasheet and the product page for EVM, tools and support information.

LTC3534

LTC3534 Distributor price breaks and sample stock

LTC3534 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 LTC3534 stock available

Available Distributors with stock: 0

no online Distributor with LTC3534 stock available

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to LTC3534. Optional, compare LTC3534 side-by-side with other selected Buck-Boost Converter via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3534.

V-IN max. 7 V, I-OUT 0.5 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)
744025006 6.8 1.1 1.3 142.00 2.8 x 2.8 x 3
744029006 6.8 0.8 0.7 250.00 2.8 x 2.8 x 1.5
744031006 6.8 0.9 0.8 135.00 3.8 x 3.8 x 1.8
74404024068 6.8 0.9 1.0 300.00 2.5 x 2 x 1.2
74404032068 6.8 1.2 0.9 120.00 3 x 3 x 1.5
744042006 6.8 1.5 1.3 80.00 4.8 x 4.8 x 2
744042008 8.2 1.4 1.1 100.00 4.8 x 4.8 x 2
744043005 5.6 1.4 1.3 70.00 4.8 x 4.8 x 3
744043006 6.8 1.3 1.3 80.00 4.8 x 4.8 x 3
744043008 8.2 1.3 1.1 90.00 4.8 x 4.8 x 3
7440680068 6.8 1.4 1.2 127.00 8 x 8 x 1.2
7440680082 8.2 1.4 1.1 142.00 8 x 8 x 1.2
74479889268 6.8 0.8 0.7 500.00 2.5 x 2 x 1.2
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