MAX1742-2.5 Buck Converter overview

Description

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MAX1742-2.5 is a 5.50 V sync Buck Converter from with 1.00 A output current. The maximum 5.50 V input voltage can be regulated down into a 2.50 V to 2.50 V output voltage.

It requires are a typical inductor size of 1.50 µH, a typical external component count of 9 and achieves a peak efficiency of 95 %. Further MAX1742-2.5 characteristics are a fixed 1000 kHz switching frequency and 1 available package option(s): QSOP-16 .

For the MAX1742-2.5 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. 5.50 V
I-OUT? 1.00 A
V-OUT min. 2.50 V
V-OUT max. 2.50 V
V-OUT 2.500 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 15 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 160 °C
Inductor size typ. 1.50 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 9
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP QSOP-16
DIP
TO
DDPAK

MAX1742-2.5 Datasheet

Link to the most up-to-date MAX1742-2.5 datasheet and the product page for EVM, tools and support information.

MAX1742-2.5

MAX1742-2.5 Sample stock and distributor price breaks

MAX1742-2.5 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with MAX1742 stock available

Available Distributors with stock: 0

no online Distributor with MAX1742 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to MAX1742-2.5. Optional, compare MAX1742-2.5 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MAX1556-2.5 MAX1556-2.5 product overviewMAX1556-2.5 product overview Maxim TDFN-EP-10
0% MAX1644-2.5 MAX1644-2.5 product overviewMAX1644-2.5 product overview Maxim SSOP-16
0% MAX1842-2.5 MAX1842-2.5 product overviewMAX1842-2.5 product overview Maxim QSOP-16
0% LM2651-2.5 LM2651-2.5 product overviewLM2651-2.5 product overview Texas Instruments TSSOP-16
0% RP506x-D-E-2.5 RP506x-D-E-2.5 product overviewRP506x-D-E-2.5 product overview Ricoh DFN-10
0% RP506x-A-B-2.5 RP506x-A-B-2.5 product overviewRP506x-A-B-2.5 product overview Ricoh DFN-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX1742-2.5.

V-IN max. 5.5 V, I-OUT 1 A, V-OUT min. 2.5 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025003 3.3 1.5 1.8 85.00 2.8 x 2.8 x 3
744025004 4.7 1.4 1.7 100.00 2.8 x 2.8 x 3
74404024033 3.3 1.4 1.3 120.00 2.5 x 2 x 1.2
74404024047 4.7 1.1 1.2 175.00 2.5 x 2 x 1.2
74404032033 3.3 1.5 1.5 70.00 3 x 3 x 1.5
74404032047 4.7 1.3 1.2 96.00 3 x 3 x 1.5
74404041033 3.3 1.8 2.1 69.00 4 x 4 x 1.2
74404041047 4.7 1.6 1.9 91.00 4 x 4 x 1.2
74404042047 4.7 1.7 2.2 70.00 4 x 4 x 1.8
7440420027 2.7 2.0 2.2 47.00 4.8 x 4.8 x 2
744042003 3.3 2.0 1.8 50.00 4.8 x 4.8 x 2
7440420039 3.9 1.8 1.7 60.00 4.8 x 4.8 x 2
744042004 4.7 1.7 1.7 70.00 4.8 x 4.8 x 2
7440430027 2.7 2.4 2.0 25.00 4.8 x 4.8 x 3
744043003 3.3 2.2 1.8 30.00 4.8 x 4.8 x 3
7440430039 3.9 1.7 1.7 50.00 4.8 x 4.8 x 3
744043004 4.7 1.6 1.7 50.00 4.8 x 4.8 x 3
744045004 4.7 1.2 2.0 120.00 4.5 x 3.2 x 2.9
744052003 3.0 2.2 2.4 40.00 5.8 x 5.8 x 2
7440520039 3.9 2.0 2.1 50.00 5.8 x 5.8 x 2
744053004 4.2 2.5 2.2 30.00 5.8 x 5.8 x 3
7440530047 4.7 2.4 2.0 30.00 5.8 x 5.8 x 3
7440680027 2.7 2.2 1.9 52.00 8 x 8 x 1.2
7440680033 3.3 2.0 1.8 61.00 8 x 8 x 1.2
7440680047 4.7 1.9 1.6 72.00 8 x 8 x 1.2
7440690033 3.3 2.6 2.3 42.00 8 x 8 x 1.5
7440690047 4.7 2.2 1.8 56.00 8 x 8 x 1.5
7440700047 4.7 3.0 2.2 37.00 8 x 8 x 2
74438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
74438324047 4.7 1.0 2.1 300.00 2.5 x 2 x 1.2
74479889233 3.3 1.3 1.3 250.00 2.5 x 2 x 1.2
78438323033 3.3 1.3 2.1 220.00 2.5 x 2 x 1
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