MAX5081 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

MAX5081 is a 40.00 V non-sync Buck Converter from with 1.00 A output current. The maximum 40.00 V input voltage can be regulated down into a 1.23 V to 32.00 V output voltage.

It requires are a typical inductor size of 47.00 µH, a typical external component count of 18 and achieves a peak efficiency of 91 %. Further MAX5081 characteristics are a fixed 250 kHz switching frequency and 1 available package option(s): TQFN-16 .

For the MAX5081 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. 7.50 V
V-IN max. 40.00 V
I-OUT? 1.00 A
V-OUT min. 1.23 V
V-OUT max. 32.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 250 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 225 kHz
Frequency adj./ ext.clock max 275 kHz
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 9500 µA
Operating min. -40 °C
Operating max. 125 °C
Junction min.
Junction max. 150 °C
thermal shutdown typ. 160 °C
Inductor size typ. 47.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 91 %
Component count min. 18
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN TQFN-16
SO/SOIC
SOP
DIP
TO
DDPAK

MAX5081 Datasheet

Link to the most up-to-date MAX5081 datasheet and the product page for EVM, tools and support information.

MAX5081

MAX5081 Sample stock and distributor price breaks

MAX5081 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with MAX5081 stock available

Available Distributors without stock: 5

AVNET-AMERICAS (0)

ProductStockPriceBuy
MAX5081ATE+0
1802.84 USD
3002.78 USD
4802.71 USD
9002.61 USD
18002.56 USD
Buy Now
MAX5081ATE+T0
25002.51 USD
50002.46 USD
100002.40 USD
150002.31 USD
250002.27 USD
Buy Now

AVNET-ASIA (0)

ProductStockPriceBuy
MAX5081ATE+0
1802.79 USD
3002.69 USD
4802.59 USD
9002.49 USD
18002.49 USD
Buy Now

AVNET-EUROPE (0)

ProductStockPriceBuy
MAX5081ATE+0Buy Now
MAX5081ATE+0Buy Now
MAX5081ATE+T0Buy Now

DIGI-KEY (0)

ProductStockPriceBuy
MAX5081ATE+T0
25002.18 USD
Buy Now
MAX5081ATE+0
1802.59 USD
Buy Now
MAX5081ATE0
25000.00 USD
Buy Now
MAX5081ATE-T0
25000.00 USD
Buy Now

FUTURE (0)

ProductStockPriceBuy
MAX5081ATE+0
602.79 USD
2402.63 USD
Buy Now
MAX5081ATE+T0
25002.31 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with MAX5081 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to MAX5081. Optional, compare MAX5081 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1976 LT1976 product overviewLT1976 product overview Linear Technology TSSOP-16
0% LT1977 LT1977 product overviewLT1977 product overview Linear Technology TSSOP-16
0% MAX15014 MAX15014 product overviewMAX15014 product overview Maxim TQFN-36
0% MAX15015 MAX15015 product overviewMAX15015 product overview Maxim TQFN-36
0% MAX15016 MAX15016 product overviewMAX15016 product overview Maxim TQFN-36
0% MAX15017 MAX15017 product overviewMAX15017 product overview Maxim TQFN-36
0% MAX5080 MAX5080 product overviewMAX5080 product overview Maxim TQFN-32
0% MAX5082 MAX5082 product overviewMAX5082 product overview Maxim TQFN-16
0% MAX5083 MAX5083 product overviewMAX5083 product overview Maxim TQFN-16
0% MAX5090 MAX5090 product overviewMAX5090 product overview Maxim TQFN-16
50% MAX5096 MAX5096 product overviewMAX5096 product overview Maxim TSSOP-EP-20, TQFN-16
50% MAX5097 MAX5097 product overviewMAX5097 product overview Maxim TSSOP-EP-20, TQFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MAX5081.

V-IN max. 40 V, I-OUT 1 A, V-OUT min. 1.23 V, Frequency typ. 250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404054150 15.0 2.0 2.2 86.00 5 x 5 x 4
74404063150 15.0 1.5 1.9 125.00 6 x 6 x 2.8
74404064180 18.0 1.9 2.4 81.00 6 x 6 x 4.5
744053120 12.0 1.5 1.3 70.00 5.8 x 5.8 x 3
744062120 12.0 1.4 1.3 70.00 6.8 x 6.8 x 2.5
744065150 15.0 2.2 2.3 69.00 10 x 10 x 3.1
7440690120 12.0 1.4 1.2 148.00 8 x 8 x 1.5
7440700150 15.0 1.7 1.3 117.00 8 x 8 x 2
744071150 15.0 2.8 2.3 46.00 8 x 8 x 4.6
74408942150 15.0 1.1 1.6 207.00 4.8 x 4.8 x 3.1
74408943150 15.0 1.4 1.7 118.00 4.8 x 4.8 x 4.1
74437324150 15.0 1.2 2.1 325.00 4.45 x 4.06 x 2
744773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
744773115 15.0 1.2 1.5 204.00 4 x 4.5 x 3.5
744773118 18.0 1.1 1.3 225.00 4 x 4.5 x 3.5
744775112 12.0 2.2 2.2 41.70 7 x 7.8 x 5.5
744775115 15.0 1.9 2.2 43.90 7 x 7.8 x 5.5
744775118 18.0 1.9 2.1 52.60 7 x 7.8 x 5.5
744777112 12.0 1.8 2.4 54.00 7.3 x 7.3 x 4.5
744777115 15.0 1.6 2.2 70.00 7.3 x 7.3 x 4.5
744777118 18.0 1.5 2.1 80.00 7.3 x 7.3 x 4.5
7447779112 12.0 1.8 2.4 50.00 7.3 x 7.3 x 4.5
7447779115 15.0 1.6 2.2 70.00 7.3 x 7.3 x 4.5
7447779118 18.0 1.5 2.1 80.00 7.3 x 7.3 x 4.5
744778112 12.0 1.7 2.2 76.00 7.3 x 7.3 x 3.4
744778115 15.0 1.5 1.8 100.00 7.3 x 7.3 x 3.4
744778118 18.0 1.4 1.7 114.00 7.3 x 7.3 x 3.4
7447785115 15.0 1.6 1.4 165.00 5.9 x 6.2 x 3.3
7447789112 12.0 1.7 1.9 76.00 7.3 x 7.3 x 3.5
7447789115 15.0 1.5 1.8 100.00 7.3 x 7.3 x 3.5
7447789118 18.0 1.4 1.7 114.00 7.3 x 7.3 x 3.5
744787120 12.0 2.5 2.4 45.00 7.8 x 7 x 5
744787150 15.0 2.3 2.1 52.00 7.8 x 7 x 5
744787180 18.0 2.2 1.9 67.00 7.8 x 7 x 5
784773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
784773115 15.0 1.2 1.5 204.00 4 x 4.5 x 3.5
784773118 18.0 1.1 1.3 225.00 4 x 4.5 x 3.5
784774112 12.0 2.0 1.9 82.00 5.2 x 5.8 x 4.85
784774115 15.0 1.5 1.9 89.00 5.2 x 5.8 x 4.85
784774118 18.0 1.5 1.7 104.00 5.2 x 5.8 x 4.85
784775112 12.0 2.2 2.2 42.00 7 x 7.8 x 5.5
784775115 15.0 1.9 2.2 44.00 7 x 7.8 x 5.5
784775118 18.0 1.9 2.1 53.00 7 x 7.8 x 5.5
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Last Tweets
Meet us at this weeks PCIM tradeshow in Nuremberg, Tue+Wed, Details under info@dcdcselector.com
With the help of #OEMsecrets we show for all Selectors and products worldwide distributor inventory and prices. https://t.co/udaDPmshky
Update for the DC/DC Buck-Boost Converter Selector with additional products, fresh equivalent suggestions and more: https://t.co/C8PXhcizYQ
Feedback
ajax-loader.gif
Loading. Please wait.