TPS54240 Buck Converter overview

Description

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Category
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TPS54240 is a 42.00 V non-sync Buck Converter from with 2.50 A output current. The maximum 42.00 V input voltage can be regulated down into a 0.80 V to 39.00 V output voltage.

It requires are a typical inductor size of 10.00 µH, a typical external component count of 12 and achieves a peak efficiency of 91 %. Further TPS54240 characteristics are a adjustable 581 kHz switching frequency and 2 available package option(s): MSOP-10 SON-10 .

For the TPS54240 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. 3.50 V
V-IN max. 42.00 V
I-OUT? 2.50 A
V-OUT min. 0.80 V
V-OUT max. 39.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 581 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 100 kHz
Frequency adj./ ext.clock max 2500 kHz
Softstart yes
Softstart adjustable yes
Tracking yes
PG/Power OK yes
Quiescent current max. 136 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 182 °C
Inductor size typ. 10.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 91 %
Component count min. 12
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP MSOP-10
QFN/DFN SON-10
SO/SOIC
SOP
DIP
TO
DDPAK

TPS54240 Datasheet

Link to the most up-to-date TPS54240 datasheet and the product page for EVM, tools and support information.

TPS54240

TPS54240 Sample stock and distributor price breaks

TPS54240 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with TPS54240 stock available

Available Distributors with stock: 0

no online Distributor with TPS54240 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to TPS54240. Optional, compare TPS54240 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% TPS54240-Q1 TPS54240-Q1 product overviewTPS54240-Q1 product overview Texas Instruments SON-10, MSOP-10
0% TPS54541 TPS54541 product overviewTPS54541 product overview Texas Instruments SON-10
0% TPS54361 TPS54361 product overviewTPS54361 product overview Texas Instruments WSON-10
0% TPS54361-Q1 TPS54361-Q1 product overviewTPS54361-Q1 product overview Texas Instruments WSON-10
10% TPS54362-Q1 TPS54362-Q1 product overviewTPS54362-Q1 product overview Texas Instruments HTSSOP-20
25% TPS54262-Q1 TPS54262-Q1 product overviewTPS54262-Q1 product overview Texas Instruments HTSSOP-20
50% TPS54140A TPS54140A product overviewTPS54140A product overview Texas Instruments SON-10, MSOP-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of TPS54240.

V-IN max. 42 V, I-OUT 2.5 A, V-OUT min. 0.8 V, Frequency typ. 581 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404042015 1.5 3.0 4.3 31.00 4 x 4 x 1.8
74404052015 1.5 3.3 4.9 25.70 5 x 5 x 2
74404052022 2.2 3.0 3.6 31.60 5 x 5 x 2
74404054022 2.2 3.8 5.3 19.00 5 x 5 x 4
74404063022 2.2 3.8 5.6 20.00 6 x 6 x 2.8
7440520018 1.8 2.6 3.0 30.00 5.8 x 5.8 x 2
7440620015 1.5 4.3 4.0 10.00 6.8 x 6.8 x 2.5
7440650022 2.2 6.2 5.9 11.00 10 x 10 x 3.1
7440690016 1.6 3.1 3.3 29.00 8 x 8 x 1.5
7440700022 2.2 4.6 3.2 17.00 8 x 8 x 2
74408942022 2.2 2.5 4.0 38.00 4.8 x 4.8 x 3.1
74408943022 2.2 3.0 4.6 26.00 4.8 x 4.8 x 4.1
74437321015 1.5 3.0 4.0 55.00 4.45 x 4.06 x 1.2
74438336015 1.5 3.7 4.5 33.00 3 x 3 x 2
7447462022 2.2 6.3 4.3 10.00 5.5 x 5.5 x 8.5
744773014 1.4 3.4 5.0 22.00 4 x 4.5 x 3.5
744773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
744773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
7447779002 2.2 4.2 6.0 16.00 7.3 x 7.3 x 4.5
744778002 2.2 4.0 4.8 14.00 7.3 x 7.3 x 3.4
7447785002 2.2 2.9 3.3 43.00 5.9 x 6.2 x 3.3
7447786002 2.2 3.5 4.0 40.00 5.9 x 6.2 x 5.1
7447789002 2.2 4.0 4.8 19.00 7.3 x 7.3 x 3.5
784773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
784773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
784775022 2.2 6.0 6.0 8.00 7 x 7.8 x 5.5
784777022 2.2 2.7 5.3 51.00 7.3 x 7.3 x 4.3
784778022 2.2 3.1 5.0 42.00 7.3 x 7.3 x 3.5
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