MAX1705 Boost Converter Overview

Description

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Category
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MAX1705 is a 5.50 V, 1.28 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 300 kHz switching frequency, a typical inductor size of 10.0 µH and it offers a peak efficiency of  up to 95 %. The minimum external component count is 13 and MAX1705 is available in 1 package option(s): QSOP-16 .

For MAX1705 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.? 1.28 A
V-OUT min. 2.50 V
V-OUT max. 5.50 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 300 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. yes
Softstart yes
Softstart adjustable no
Tracking yes
PG/Power OK no
LBI/LBO yes
Frequency sync. min. 200 kHz
Frequency sync. max. 400 kHz
Down Mode no
Quiescent current max. 360 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 155 °C
Inductor size typ. 10.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 95 %
Component count min. 13
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP QSOP-16
DIP
TO
DDPAK

MAX1705 Datasheet

Link to the most up-to-date MAX1705 datasheet and the product page for EVM, tools and support information.

MAX1705

MAX1705 Price breaks and distributor sample stock

MAX1705 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with MAX1705 stock available

Available Distributors with stock: 0

no online Distributor with MAX1705 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to MAX1705. Optional, compare MAX1705 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
50% MAX1706 MAX1706 product overviewMAX1706 product overview Maxim Integrated QSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX1705.

V-IN min. 1.1 V, Current-Limit typ. 1.28 A, V-OUT max. 5.5 V, Frequency typ. 300 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744065001 1.0 8.0 9.5 4.90 10 x 10 x 3.1
7440710082 0.8 7.3 8.0 7.00 8 x 8 x 4.6
744310095 1.0 11.0 13.0 6.20 7 x 6.9 x 3.3
744310115 1.2 8.5 13.0 8.60 7 x 6.9 x 3.3
744314110 1.1 15.0 13.0 3.15 7 x 6.9 x 5
744316100 1.0 11.5 11.5 4.75 5.5 x 5.3 x 4.3
744323120 1.2 12.0 15.0 6.60 10.6 x 10.6 x 3.1
74437336010 1.0 7.5 11.0 13.00 5.7 x 5.2 x 3
74438356010 1.0 7.2 9.0 12.00 4.1 x 4.1 x 2.1
7447462010 1.0 8.5 8.0 6.00 5.5 x 5.5 x 8.5
7447471013 1.3 8.5 14.0 6.00 10.5 x 10.5 x 11.5
7447715910 1.0 8.5 13.9 5.50 12 x 12 x 4.5
744772010 1.0 7.5 10.0 4.70 7.8 x 7.8 x 10
744777001 1.0 6.8 10.2 8.40 7.3 x 7.3 x 4.5
7447797110 1.1 11.2 16.0 5.90 10.2 x 10.2 x 4.5
7447798110 1.1 16.5 16.0 3.00 10.2 x 10.2 x 6.4
784776012 1.2 7.4 11.0 4.00 9 x 10 x 5.9
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