LM2840Y-Q1 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LM2840Y-Q1 is a 42.00 V non-sync Buck Converter from with 0.10 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 LM2840Y-Q1 characteristics are a fixed 1250 kHz switching frequency and 1 available package option(s): SOT23-6 .

For the LM2840Y-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? 0.10 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
CSP
SC70
SOT SOT23-6
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LM2840Y-Q1 Datasheet

Link to the most up-to-date LM2840Y-Q1 datasheet and the product page for EVM, tools and support information.

LM2840Y-Q1

LM2840Y-Q1 Sample stock and distributor price breaks

LM2840Y-Q1 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LM2840Y stock available

Available Distributors with stock: 0

no online Distributor with LM2840Y stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LM2840Y-Q1. Optional, compare LM2840Y-Q1 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LM2840X-Q1 LM2840X-Q1 product overviewLM2840X-Q1 product overview Texas Instruments SOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LM2840Y-Q1.

V-IN max. 42 V, I-OUT 0.1 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)
744025270 27.0 0.5 0.7 745.00 2.8 x 2.8 x 3
744031150 15.0 0.6 0.5 255.00 3.8 x 3.8 x 1.8
744031220 22.0 0.5 0.4 410.00 3.8 x 3.8 x 1.8
744032150 15.0 0.3 0.7 800.00 3.2 x 2.5 x 2.3
744032180 18.0 0.2 0.7 880.00 3.2 x 2.5 x 2.3
744032220 22.0 0.2 0.6 1,040.00 3.2 x 2.5 x 2.3
74404024180 18.0 0.5 0.7 830.00 2.5 x 2 x 1.2
74404024220 22.0 0.5 0.6 910.00 2.5 x 2 x 1.2
74404032220 22.0 0.6 0.6 450.00 3 x 3 x 1.5
744042180 18.0 0.9 0.7 270.00 4.8 x 4.8 x 2
744042220 22.0 0.9 0.6 280.00 4.8 x 4.8 x 2
744043180 18.0 1.0 0.7 150.00 4.8 x 4.8 x 3
744043220 22.0 0.9 0.7 160.00 4.8 x 4.8 x 3
744043270 27.0 0.9 0.6 170.00 4.8 x 4.8 x 3
7440680220 22.0 0.9 0.7 350.00 8 x 8 x 1.2
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Feedback
ajax-loader.gif
Loading. Please wait.