MPQ2451 Buck Converter overview



MPQ2451 is a 36.00 V non-sync Buck Converter from with 0.60 A output current. The maximum 36.00 V input voltage can be regulated down into a 0.80 V to 29.00 V output voltage.

It requires are a typical inductor size of 3.30 µH, a typical external component count of 8 and achieves a peak efficiency of 93 %. Further MPQ2451 characteristics are a fixed 2000 kHz switching frequency and 1 available package option(s): SOT23-6 .

For the MPQ2451 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.

Search Filter
V-IN min. 3.30 V
V-IN max. 36.00 V
I-OUT? 0.60 A
V-OUT min. 0.80 V
V-OUT max. 29.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 2000 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. -130 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 150 °C
Inductor size typ. 3.30 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 yes
Light-Load-Mode no
Topology Buck
Peak Efficiency 93 %
Component count min. 8
current limit adjustable no
Nr.of packages 1

MPQ2451 Datasheet

Link to the most up-to-date MPQ2451 datasheet and the product page for EVM, tools and support information.


MPQ2451 Sample stock and distributor price breaks

MPQ2451 prices and online available distributors.

Available Distributors with stock: 0

no online Distributor with MPQ2451 stock available

Available Distributors with stock: 0

no online Distributor with MPQ2451 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to MPQ2451. Optional, compare MPQ2451 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% NCV890100 NCV890100 product overviewNCV890100 product overview ON Semiconductor SOIC-8, DFN-8
0% NCV890101 NCV890101 product overviewNCV890101 product overview ON Semiconductor DFN-10
0% NCV890130 NCV890130 product overviewNCV890130 product overview ON Semiconductor SOIC-8, DFN-8
0% NCV890131 NCV890131 product overviewNCV890131 product overview ON Semiconductor DFN-10
25% MAX16976 MAX16976 product overviewMAX16976 product overview Maxim QSOP-16
50% MAX5033 MAX5033 product overviewMAX5033 product overview Maxim PDIP-8, SOIC-8
50% LM22674-Q1 LM22674-Q1 product overviewLM22674-Q1 product overview Texas Instruments SO-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MPQ2451.

V-IN max. 36 V, I-OUT 0.6 A, V-OUT min. 0.8 V, Frequency typ. 2000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744028002 2.2 1.3 1.0 125.00 2.8 x 2.8 x 1.2
744029002 2.2 1.5 1.2 88.00 2.8 x 2.8 x 1.5
744030002 2.2 0.7 0.8 140.00 3.3 x 3.5 x 1.05
744031002 2.5 1.5 1.3 50.00 3.8 x 3.8 x 1.8
7440320027 2.7 0.6 1.6 144.00 3.2 x 2.5 x 2.3
74479887222A 2.2 1.4 0.8 140.00 2.5 x 2 x 1
74479888222 2.2 1.2 1.4 200.00 2.5 x 2 x 1
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