LTC1878 Buck Converter overview

Description

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LTC1878 is a 6.00 V sync Buck Converter from with 0.60 A output current. The maximum 6.00 V input voltage can be regulated down into a 0.80 V to 6.00 V output voltage.

It requires are a typical inductor size of 10.00 µH, a typical external component count of 7 and achieves a peak efficiency of 95 %. Further LTC1878 characteristics are a fixed 550 kHz switching frequency and 1 available package option(s): MSOP-8 .

For the LTC1878 replacement search, please 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. 2.65 V
V-IN max. 6.00 V
I-OUT? 0.60 A
V-OUT min. 0.80 V
V-OUT max. 6.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 550 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 400 kHz
Frequency adj./ ext.clock max 700 kHz
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 365 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 7
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP MSOP-8
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LTC1878 Datasheet

Link to the most up-to-date LTC1878 datasheet and the product page for EVM, tools and support information.

LTC1878

LTC1878 Sample stock and distributor price breaks

LTC1878 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC1878 stock available

Available Distributors with stock: 0

no online Distributor with LTC1878 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC1878. Optional, compare LTC1878 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC1707 LTC1707 product overviewLTC1707 product overview Linear Technology SO-8
0% LTC1877 LTC1877 product overviewLTC1877 product overview Linear Technology MSOP-8
0% LTC1879 LTC1879 product overviewLTC1879 product overview Linear Technology TSSOP-16
10% LTC1627 LTC1627 product overviewLTC1627 product overview Linear Technology SO-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1878.

V-IN max. 6 V, I-OUT 0.6 A, V-OUT min. 0.8 V, Frequency typ. 550 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
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
744042005 5.6 1.6 1.4 80.00 4.8 x 4.8 x 2
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
744052007 7.5 1.4 1.5 70.00 5.8 x 5.8 x 2
7440680056 5.6 1.5 1.4 110.00 8 x 8 x 1.2
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
7440690082 8.2 1.7 1.5 99.00 8 x 8 x 1.5
74438323082 8.2 0.7 1.5 646.00 2.5 x 2 x 1
74438324082 8.2 0.8 1.5 630.00 2.5 x 2 x 1.2
78438323082 8.2 0.7 1.5 646.00 2.5 x 2 x 1
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