MAX5090 Buck Converter overview

Description

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Category
Sub-Category

MAX5090 is a 76.00 V non-sync Buck Converter from with 2.00 A output current. The maximum 76.00 V input voltage can be regulated down into a 1.27 V to 11.00 V output voltage.

It requires are a typical inductor size of 100.00 µH, a typical external component count of 9 and achieves a peak efficiency of 92 %. Further MAX5090 characteristics are a fixed 127 kHz switching frequency and 1 available package option(s): TQFN-16 .

For the MAX5090 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. 6.50 V
V-IN max. 76.00 V
I-OUT? 2.00 A
V-OUT min. 1.27 V
V-OUT max. 11.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 127 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 106 kHz
Frequency adj./ ext.clock max 150 kHz
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 650 µA
Operating min. -40 °C
Operating max. 125 °C
Junction min.
Junction max. 150 °C
thermal shutdown typ. 175 °C
Inductor size typ. 100.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 92 %
Component count min. 9
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN TQFN-16
SO/SOIC
SOP
DIP
TO
DDPAK

MAX5090 Datasheet

Link to the most up-to-date MAX5090 datasheet and the product page for EVM, tools and support information.

MAX5090

MAX5090 Sample stock and distributor price breaks

MAX5090 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with MAX5090 stock available

Available Distributors with stock: 0

no online Distributor with MAX5090 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to MAX5090. Optional, compare MAX5090 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
25% LT3434 LT3434 product overviewLT3434 product overview Linear Technology TSSOP-16
25% LT3435 LT3435 product overviewLT3435 product overview Linear Technology TSSOP-16
50% LT1976 LT1976 product overviewLT1976 product overview Linear Technology TSSOP-16
50% LT1977 LT1977 product overviewLT1977 product overview Linear Technology TSSOP-16
50% MAX15014 MAX15014 product overviewMAX15014 product overview Maxim TQFN-36
50% MAX15015 MAX15015 product overviewMAX15015 product overview Maxim TQFN-36
50% MAX15016 MAX15016 product overviewMAX15016 product overview Maxim TQFN-36
50% MAX15017 MAX15017 product overviewMAX15017 product overview Maxim TQFN-36
50% MAX5080 MAX5080 product overviewMAX5080 product overview Maxim TQFN-32
50% MAX5081 MAX5081 product overviewMAX5081 product overview Maxim TQFN-16
50% MAX5082 MAX5082 product overviewMAX5082 product overview Maxim TQFN-16
50% MAX5083 MAX5083 product overviewMAX5083 product overview Maxim TQFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX5090.

V-IN max. 76 V, I-OUT 2 A, V-OUT min. 1.265 V, Frequency typ. 127 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404064120 12.0 2.2 3.0 58.00 6 x 6 x 4.5
74404064150 15.0 2.1 2.7 68.00 6 x 6 x 4.5
74404084120 12.0 2.8 3.8 40.00 8 x 8 x 4.2
74404084150 15.0 2.6 3.2 47.00 8 x 8 x 4.2
74404084180 18.0 2.4 2.9 53.00 8 x 8 x 4.2
744066150 15.0 3.2 3.3 37.00 10 x 10 x 4.1
744066180 18.0 2.8 3.0 54.00 10 x 10 x 4.1
744771115 15.0 3.8 4.6 25.00 12 x 12 x 6
744771118 18.0 3.5 4.3 29.00 12 x 12 x 6
7447713150 15.0 2.2 3.4 74.00 10 x 10 x 3
7447714150 15.0 3.5 4.1 36.00 10 x 10 x 5
7447715120 12.0 3.5 3.6 30.00 12 x 12 x 4.5
7447715180 18.0 3.2 3.2 37.00 12 x 12 x 4.5
7447720150 15.0 2.4 3.0 33.40 7.8 x 7.8 x 10
7447720180 18.0 3.1 3.5 41.00 7.8 x 7.8 x 10
744776112 12.0 2.7 3.2 32.60 9 x 10 x 5.9
744776115 15.0 2.5 2.9 34.00 9 x 10 x 5.9
744776118 18.0 2.4 2.4 42.80 9 x 10 x 5.9
7447798131 13.0 5.9 4.5 19.90 10.2 x 10.2 x 6.4
7447798151 15.0 5.5 4.0 21.80 10.2 x 10.2 x 6.4
7447798181 18.0 5.0 3.8 30.50 10.2 x 10.2 x 6.4
744787120 12.0 2.5 2.4 45.00 7.8 x 7 x 5
784776112 12.0 2.7 3.2 33.00 9 x 10 x 5.9
784776115 15.0 2.5 2.9 34.00 9 x 10 x 5.9
784776118 18.0 2.4 2.4 43.00 9 x 10 x 5.9
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