RT7240 Buck Converter overview

Description

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RT7240 is a 18.00 V sync Buck Converter from with 5.00 A output current. The maximum 18.00 V input voltage can be regulated down into a 0.77 V to 8.00 V output voltage.

It requires are a typical inductor size of 1.40 µH, a typical external component count of 11 and achieves a peak efficiency of 95 %. Further RT7240 characteristics are a fixed 650 kHz switching frequency and 1 available package option(s): PSOP-8 .

For the RT7240 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. 18.00 V
I-OUT? 5.00 A
V-OUT min. 0.77 V
V-OUT max. 8.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 650 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK yes
Quiescent current max. 1300 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 150 °C
Inductor size typ. 1.40 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 11
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP PSOP-8
DIP
TO
DDPAK

RT7240 Datasheet

Link to the most up-to-date RT7240 datasheet and the product page for EVM, tools and support information.

RT7240

RT7240 Sample stock and distributor price breaks

RT7240 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with RT7240 stock available

Available Distributors with stock: 0

no online Distributor with RT7240 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to RT7240. Optional, compare RT7240 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% TPS54626 TPS54626 product overviewTPS54626 product overview Texas Instruments HTSSOP-14
0% XR76108 XR76108 product overviewXR76108 product overview Exar QFN-30
0% RT7236 RT7236 product overviewRT7236 product overview Richtek TSSOP-14, WDFN-10
10% TPS62184 TPS62184 product overviewTPS62184 product overview Texas Instruments DSBGA-24
25% MAX15066 MAX15066 product overviewMAX15066 product overview Maxim WLP-16
25% MAX15166 MAX15166 product overviewMAX15166 product overview Maxim WLP-16
25% MP2214 MP2214 product overviewMP2214 product overview MPS SOIC-8E, QFN-10
25% MP28255 MP28255 product overviewMP28255 product overview MPS QFN-14
25% RT7232 RT7232 product overviewRT7232 product overview Richtek TSSOP-14, WDFN-10
25% RT7234 RT7234 product overviewRT7234 product overview Richtek PSOP-8
25% TPS62180 TPS62180 product overviewTPS62180 product overview Texas Instruments DSBGA-24
50% MP28253 MP28253 product overviewMP28253 product overview MPS QFN-14
50% RT2853A RT2853A product overviewRT2853A product overview Richtek WQFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RT7240.

V-IN max. 18 V, I-OUT 5 A, V-OUT min. 0.765 V, Frequency typ. 650 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744040630082 0.8 6.0 9.5 10.00 6 x 6 x 2.8
74404063010 1.0 5.2 7.5 10.00 6 x 6 x 2.8
74404064010 1.0 5.1 11.0 11.00 6 x 6 x 4.5
744065001 1.0 8.0 9.5 4.90 10 x 10 x 3.1
7440710082 0.8 7.3 8.0 7.00 8 x 8 x 4.6
744316100 1.0 11.5 11.5 4.75 5.5 x 5.3 x 4.3
744373240056 0.6 6.0 10.5 13.50 4.45 x 4.06 x 2
744373240068 0.7 5.5 10.0 16.00 4.45 x 4.06 x 2
74437324010 1.0 5.0 9.0 22.00 4.45 x 4.06 x 2
74437336010 1.0 7.5 11.0 13.00 5.7 x 5.2 x 3
744383560056 0.6 8.5 10.8 7.00 4.1 x 4.1 x 2.1
744383560068 0.7 8.2 9.4 7.50 4.1 x 4.1 x 2.1
74438356010 1.0 7.2 9.0 12.00 4.1 x 4.1 x 2.1
7447462010 1.0 8.5 8.0 6.00 5.5 x 5.5 x 8.5
744772010 1.0 7.5 10.0 4.70 7.8 x 7.8 x 10
744777001 1.0 6.8 10.2 8.40 7.3 x 7.3 x 4.5
7447779001 1.0 5.3 9.5 10.00 7.3 x 7.3 x 4.5
744778001 1.0 5.4 6.4 9.00 7.3 x 7.3 x 3.4
7447789001 1.0 5.4 6.4 10.00 7.3 x 7.3 x 3.5
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