MPQ2459 Buck Converter overview

Description

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Category
Sub-Category

MPQ2459 is a 55.00 V non-sync Buck Converter from with 0.50 A output current. The maximum 55.00 V input voltage can be regulated down into a 0.81 V to 52.25 V output voltage.

It requires are a typical inductor size of 15.00 µH, a typical external component count of 7 and achieves a peak efficiency of 95 %. Further MPQ2459 characteristics are a fixed 480 kHz switching frequency and 1 available package option(s): TSOT23-6 .

For the MPQ2459 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. 4.50 V
V-IN max. 55.00 V
I-OUT? 0.50 A
V-OUT min. 0.81 V
V-OUT max. 52.25 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 480 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 920 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 165 °C
Inductor size typ. 15.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 95 %
Component count min. 7
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT TSOT23-6
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

MPQ2459 Datasheet

Link to the most up-to-date MPQ2459 datasheet and the product page for EVM, tools and support information.

MPQ2459

MPQ2459 Sample stock and distributor price breaks

MPQ2459 prices and online available distributors.

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List of equivalents and alternatives

The following DC/DC Buck Converter are similar to MPQ2459. Optional, compare MPQ2459 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MP2459 MP2459 product overviewMP2459 product overview MPS TSOT23-6
0% MPQ2459-AEC1 MPQ2459-AEC1 product overviewMPQ2459-AEC1 product overview MPS TSOT23-6
10% MP2456 MP2456 product overviewMP2456 product overview MPS TSOT23-6
25% LT3502 LT3502 product overviewLT3502 product overview Linear Technology DFN-8, MSOP-10
25% LT3502A LT3502A product overviewLT3502A product overview Linear Technology DFN-8, MSOP-10
25% BD9G101 BD9G101 product overviewBD9G101 product overview Rohm SOT-23
25% LM2842X LM2842X product overviewLM2842X product overview Texas Instruments SOT23-6
25% LM2842X-Q1 LM2842X-Q1 product overviewLM2842X-Q1 product overview Texas Instruments SOT23-6
25% LM2842Y LM2842Y product overviewLM2842Y product overview Texas Instruments SOT23-6
25% LM2842Y-Q1 LM2842Y-Q1 product overviewLM2842Y-Q1 product overview Texas Instruments SOT23-6
25% LMR14006-X LMR14006-X product overviewLMR14006-X product overview Texas Instruments TSOT23-6
25% LMR14006-Y LMR14006-Y product overviewLMR14006-Y product overview Texas Instruments TSOT23-6
25% LMR14206 LMR14206 product overviewLMR14206 product overview Texas Instruments SOT23-6
50% AS7620A AS7620A product overviewAS7620A product overview AMS MLPQ-12
50% LT1676 LT1676 product overviewLT1676 product overview Linear Technology SO-8
50% LT1777 LT1777 product overviewLT1777 product overview Linear Technology SO-16
50% LT1934 LT1934 product overviewLT1934 product overview Linear Technology DFN-6, TSOT23-6
50% LT3437 LT3437 product overviewLT3437 product overview Linear Technology TSSOP-16, DFN-10
50% LT3470A LT3470A product overviewLT3470A product overview Linear Technology DFN-8
50% MAX5033 MAX5033 product overviewMAX5033 product overview Maxim PDIP-8, SOIC-8
50% LM2574 LM2574 product overviewLM2574 product overview Micrel DIP-8
50% LM2574 LM2574 product overviewLM2574 product overview ON Semiconductor PDIP-8, SOIC-16W
50% LM2594 LM2594 product overviewLM2594 product overview ON Semiconductor PDIP-8, SOIC-8
50% LM22674 LM22674 product overviewLM22674 product overview Texas Instruments SO-8
50% LM22674-Q1 LM22674-Q1 product overviewLM22674-Q1 product overview Texas Instruments SO-8
50% LM2574 LM2574 product overviewLM2574 product overview Texas Instruments PDIP-8, SOIC-14
50% LM2574HV LM2574HV product overviewLM2574HV product overview Texas Instruments PDIP-8, SOIC-14
50% LM2594 LM2594 product overviewLM2594 product overview Texas Instruments PDIP-8, SOIC-8
50% LM2594HV LM2594HV product overviewLM2594HV product overview Texas Instruments PDIP-8, SOIC-8
50% LM2597 LM2597 product overviewLM2597 product overview Texas Instruments PDIP-8, SOIC-8
50% LM2597HV LM2597HV product overviewLM2597HV product overview Texas Instruments PDIP-8, SOIC-8
50% LM2671 LM2671 product overviewLM2671 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16
50% LM2674 LM2674 product overviewLM2674 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16
50% LM2841X LM2841X product overviewLM2841X product overview Texas Instruments SOT23-6
50% LM2841X-Q1 LM2841X-Q1 product overviewLM2841X-Q1 product overview Texas Instruments SOT23-6
50% LM2841Y LM2841Y product overviewLM2841Y product overview Texas Instruments SOT23-6
50% LM2841Y-Q1 LM2841Y-Q1 product overviewLM2841Y-Q1 product overview Texas Instruments SOT23-6
50% LMR14203 LMR14203 product overviewLMR14203 product overview Texas Instruments SOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of MPQ2459.

V-IN max. 55 V, I-OUT 0.5 A, V-OUT min. 0.81 V, Frequency typ. 480 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025100 10.0 1.0 1.1 170.00 2.8 x 2.8 x 3
74404032100 10.0 0.8 0.9 230.00 3 x 3 x 1.5
74404041100 10.0 1.3 1.0 168.00 4 x 4 x 1.2
74404042100 10.0 1.2 1.5 150.00 4 x 4 x 1.8
744042008 8.2 1.4 1.1 100.00 4.8 x 4.8 x 2
744042100 10.0 1.3 1.0 120.00 4.8 x 4.8 x 2
744042120 12.0 1.2 1.0 150.00 4.8 x 4.8 x 2
744043008 8.2 1.3 1.1 90.00 4.8 x 4.8 x 3
744043100 10.0 1.2 1.0 95.00 4.8 x 4.8 x 3
744043120 12.0 1.1 1.0 100.00 4.8 x 4.8 x 3
744045008 8.2 1.0 1.6 200.00 4.5 x 3.2 x 2.9
744045100 10.0 1.0 1.5 240.00 4.5 x 3.2 x 2.9
744045120 12.0 0.8 1.4 336.00 4.5 x 3.2 x 2.9
744052009 9.0 1.3 1.4 90.00 5.8 x 5.8 x 2
744052100 10.0 1.1 1.3 105.00 5.8 x 5.8 x 2
744052120 12.0 1.0 1.2 130.00 5.8 x 5.8 x 2
744053008 8.2 2.1 1.6 50.00 5.8 x 5.8 x 3
744053100 10.0 1.5 1.4 60.00 5.8 x 5.8 x 3
744053120 12.0 1.5 1.3 70.00 5.8 x 5.8 x 3
744062100 10.0 1.6 1.4 53.00 6.8 x 6.8 x 2.5
744062120 12.0 1.4 1.3 70.00 6.8 x 6.8 x 2.5
7440680082 8.2 1.4 1.1 142.00 8 x 8 x 1.2
7440680100 10.0 1.2 1.0 177.00 8 x 8 x 1.2
7440680120 12.0 1.2 1.0 195.00 8 x 8 x 1.2
7440690082 8.2 1.7 1.5 99.00 8 x 8 x 1.5
7440690100 10.0 1.6 1.3 112.00 8 x 8 x 1.5
7440690120 12.0 1.4 1.2 148.00 8 x 8 x 1.5
7440700082 8.2 2.2 1.7 70.50 8 x 8 x 2
7440700100 10.0 2.0 1.6 78.00 8 x 8 x 2
74408941089 8.9 1.0 1.7 240.00 4.8 x 4.8 x 2.1
74408941100 10.0 0.9 1.6 248.00 4.8 x 4.8 x 2.1
74438323082 8.2 0.7 1.5 646.00 2.5 x 2 x 1
74438323100 10.0 0.6 1.4 733.00 2.5 x 2 x 1
74438324082 8.2 0.8 1.5 630.00 2.5 x 2 x 1.2
74438324100 10.0 0.7 1.4 680.00 2.5 x 2 x 1.2
744773082 8.2 1.5 1.8 116.00 4 x 4.5 x 3.5
74477310 10.0 1.5 1.7 118.00 4 x 4.5 x 3.5
744773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
744778510 10.0 1.9 1.6 100.00 5.9 x 6.2 x 3.3
744778610 10.0 2.1 1.8 74.00 5.9 x 6.2 x 5.1
78438323082 8.2 0.7 1.5 646.00 2.5 x 2 x 1
78438323100 10.0 0.6 1.4 733.00 2.5 x 2 x 1
784773082 8.2 1.5 1.8 116.00 4 x 4.5 x 3.5
78477310 10.0 1.5 1.7 118.00 4 x 4.5 x 3.5
784773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
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