LT1765-1.8 Buck Converter overview

Description

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LT1765-1.8 is a 25.00 V non-sync Buck Converter from with 2.40 A output current. The maximum 25.00 V input voltage can be regulated down into a 1.80 V to 1.80 V output voltage.

It requires are a typical inductor size of 1.50 µH, a typical external component count of 7 and achieves a peak efficiency of 87 %. Further LT1765-1.8 characteristics are a fixed 1250 kHz switching frequency and 1 available package option(s): TSSOP-16 .

For the LT1765-1.8 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. 3.00 V
V-IN max. 25.00 V
I-OUT? 2.40 A
V-OUT min. 1.80 V
V-OUT max. 1.80 V
V-OUT 1.800 V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 1250 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 1600 kHz
Frequency adj./ ext.clock max 2000 kHz
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 1300 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 1.50 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 87 %
Component count min. 7
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-16
DIP
TO
DDPAK

LT1765-1.8 Datasheet

Link to the most up-to-date LT1765-1.8 datasheet and the product page for EVM, tools and support information.

LT1765-1.8

LT1765-1.8 Sample stock and distributor price breaks

LT1765-1.8 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LT1765 stock available

Available Distributors with stock: 0

no online Distributor with LT1765 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1765-1.8. Optional, compare LT1765-1.8 side-by-side with other Buck 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 LT1765-1.8.

V-IN max. 25 V, I-OUT 2.4 A, V-OUT min. 1.8 V, Frequency typ. 1250 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
74404052012 1.2 3.6 5.2 23.40 5 x 5 x 2
74404052015 1.5 3.3 4.9 25.70 5 x 5 x 2
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
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
74408942012 1.2 3.2 5.5 22.00 4.8 x 4.8 x 3.1
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
74438334012 1.2 2.7 6.0 55.00 3 x 3 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
744773014 1.4 3.4 5.0 22.00 4 x 4.5 x 3.5
744773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
744787012 1.2 4.9 6.0 8.50 7.8 x 7 x 5
78438334012 1.2 2.7 6.0 55.00 3 x 3 x 1.2
784773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
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