MAX1765 Boost Converter Overview

Description

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MAX1765 is a 5.50 V, 1.25 A switch current limit sync Boost Converter from . The input voltage from 1.10 V to 5.50 V  can be boosted into an output voltage ranging from 2.50 V to 5.50 V.

Features of the Boost Converter are fixed 1000 kHz switching frequency, a typical inductor size of 3.3 µH and it offers a peak efficiency of  up to 93 %. The minimum external component count is 9 and MAX1765 is available in 2 package option(s): TSSOP-EP-16 .

For MAX1765 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. 1.10 V
V-IN max. 5.50 V
Current-Limit typ.? 1.25 A
V-OUT min. 2.50 V
V-OUT max. 5.50 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. yes
Softstart yes
Softstart adjustable yes
Tracking yes
PG/Power OK no
LBI/LBO no
Frequency sync. min. 500 kHz
Frequency sync. max. 1200 kHz
Down Mode no
Quiescent current max. -2500 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 160 °C
Inductor size typ. 3.3 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 93 %
Component count min. 9
current limit adjustable yes
Nr.of package options 2
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP TSSOP-EP-16
DIP
TO
DDPAK

MAX1765 Datasheet

Link to the most up-to-date MAX1765 datasheet and the product page for EVM, tools and support information.

MAX1765

MAX1765 Price breaks and distributor sample stock

MAX1765 prices and available online distributors.

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no online Distributor with MAX1765 stock available

Available Distributors with stock: 0

no online Distributor with MAX1765 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to MAX1765. Optional, compare MAX1765 side-by-side with other 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 MAX1765.

V-IN min. 1.1 V, Current-Limit typ. 1.25 A, V-OUT max. 5.5 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744305040 0.4 28.0 20.0 0.16 13.5 x 13.3 x 5.2
744306030 0.3 26.0 24.0 0.30 10.5 x 10.3 x 5.5
7443081040 0.4 38.0 21.0 0.29 9.4 x 6.2 x 8.1
744316033 0.3 18.5 20.0 1.75 5.5 x 5.3 x 4.3
744373240033 0.3 8.0 16.5 7.80 4.45 x 4.06 x 2
744373340033 0.3 8.2 24.0 6.30 5.7 x 5.2 x 2
744373360033 0.3 9.6 22.0 4.30 5.7 x 5.2 x 3
744383560033 0.3 9.6 12.4 6.00 4.1 x 4.1 x 2.1
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