LM2842X-Q1 Buck Converter overview

Description

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LM2842X-Q1 is a 42.00 V non-sync Buck Converter from with 0.60 A output current. The maximum 42.00 V input voltage can be regulated down into a 0.80 V to 34.00 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 90 %. Further LM2842X-Q1 characteristics are a fixed 550 kHz switching frequency and 1 available package option(s): SOT23-6 .

For the LM2842X-Q1 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. 42.00 V
I-OUT? 0.60 A
V-OUT min. 0.80 V
V-OUT max. 34.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 550 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. 1850 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 175 °C
Inductor size typ. 15.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 yes
Light-Load-Mode no
Topology Buck
Peak Efficiency 90 %
Component count min. 7
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT SOT23-6
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LM2842X-Q1 Datasheet

Link to the most up-to-date LM2842X-Q1 datasheet and the product page for EVM, tools and support information.

LM2842X-Q1

LM2842X-Q1 Sample stock and distributor price breaks

LM2842X-Q1 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with LM2842X stock available

Available Distributors with stock: 0

no online Distributor with LM2842X stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LM2842X-Q1. Optional, compare LM2842X-Q1 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LM2842Y-Q1 LM2842Y-Q1 product overviewLM2842Y-Q1 product overview Texas Instruments SOT23-6
10% MPQ2451 MPQ2451 product overviewMPQ2451 product overview MPS SOT23-6
10% MPQ2459-AEC1 MPQ2459-AEC1 product overviewMPQ2459-AEC1 product overview MPS TSOT23-6
50% 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
50% LM2841X-Q1 LM2841X-Q1 product overviewLM2841X-Q1 product overview Texas Instruments SOT23-6
50% LM2841Y-Q1 LM2841Y-Q1 product overviewLM2841Y-Q1 product overview Texas Instruments SOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LM2842X-Q1.

V-IN max. 42 V, I-OUT 0.6 A, V-OUT min. 0.8 V, Frequency typ. 550 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025006 6.8 1.1 1.3 142.00 2.8 x 2.8 x 3
744025100 10.0 1.0 1.1 170.00 2.8 x 2.8 x 3
744031006 6.8 0.9 0.8 135.00 3.8 x 3.8 x 1.8
74404024068 6.8 0.9 1.0 300.00 2.5 x 2 x 1.2
74404032068 6.8 1.2 0.9 120.00 3 x 3 x 1.5
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
744042006 6.8 1.5 1.3 80.00 4.8 x 4.8 x 2
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
744043006 6.8 1.3 1.3 80.00 4.8 x 4.8 x 3
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
744045100 10.0 1.0 1.5 240.00 4.5 x 3.2 x 2.9
744052007 7.5 1.4 1.5 70.00 5.8 x 5.8 x 2
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
744053100 10.0 1.5 1.4 60.00 5.8 x 5.8 x 3
744062100 10.0 1.6 1.4 53.00 6.8 x 6.8 x 2.5
7440680068 6.8 1.4 1.2 127.00 8 x 8 x 1.2
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
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
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
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
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