LM2841Y-Q1 Buck Converter overview



LM2841Y-Q1 is a 42.00 V non-sync Buck Converter from with 0.30 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 LM2841Y-Q1 characteristics are a fixed 1250 kHz switching frequency and 1 available package option(s): SOT23-6 .

For the LM2841Y-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.

Search Filter
V-IN min. 4.50 V
V-IN max. 42.00 V
I-OUT? 0.30 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. 1250 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

LM2841Y-Q1 Datasheet

Link to the most up-to-date LM2841Y-Q1 datasheet and the product page for EVM, tools and support information.


LM2841Y-Q1 Sample stock and distributor price breaks

LM2841Y-Q1 prices and online available distributors.


Available Distributors with stock: 0

no online Distributor with LM2841Y stock available

Available Distributors with stock: 0

no online Distributor with LM2841Y stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LM2841Y-Q1. Optional, compare LM2841Y-Q1 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LM2841X-Q1 LM2841X-Q1 product overviewLM2841X-Q1 product overview Texas Instruments SOT23-6
0% LM2842X-Q1 LM2842X-Q1 product overviewLM2842X-Q1 product overview Texas Instruments SOT23-6
0% LM2842Y-Q1 LM2842Y-Q1 product overviewLM2842Y-Q1 product overview Texas Instruments SOT23-6
10% MPQ2459-AEC1 MPQ2459-AEC1 product overviewMPQ2459-AEC1 product overview MPS TSOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LM2841Y-Q1.

V-IN max. 42 V, I-OUT 0.3 A, V-OUT min. 0.8 V, Frequency typ. 1250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744028006 6.8 0.8 0.6 325.00 2.8 x 2.8 x 1.2
744029006 6.8 0.8 0.7 250.00 2.8 x 2.8 x 1.5
744030006 6.8 0.4 0.4 400.00 3.3 x 3.5 x 1.05
744031006 6.8 0.9 0.8 135.00 3.8 x 3.8 x 1.8
74479889268 6.8 0.8 0.7 500.00 2.5 x 2 x 1.2
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