LM2734Y-Q1 Buck Converter overview

Description

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Category
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LM2734Y-Q1 is a 20.00 V non-sync Buck Converter from with 1.00 A output current. The maximum 20.00 V input voltage can be regulated down into a 0.80 V to 18.00 V output voltage.

It requires are a typical inductor size of 10.00 µH, a typical external component count of 8 and achieves a peak efficiency of 90 %. Further LM2734Y-Q1 characteristics are a fixed 550 kHz switching frequency and 1 available package option(s): SOT23-6 .

For the LM2734Y-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. 3.00 V
V-IN max. 20.00 V
I-OUT? 1.00 A
V-OUT min. 0.80 V
V-OUT max. 18.00 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 yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 2500 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 165 °C
Inductor size typ. 10.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 yes
Light-Load-Mode no
Topology Buck
Peak Efficiency 90 %
Component count min. 8
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT SOT23-6
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

LM2734Y-Q1 Datasheet

Link to the most up-to-date LM2734Y-Q1 datasheet and the product page for EVM, tools and support information.

LM2734Y-Q1

LM2734Y-Q1 Sample stock and distributor price breaks

LM2734Y-Q1 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with LM2734Y stock available

Available Distributors with stock: 0

no online Distributor with LM2734Y stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LM2734Y-Q1. Optional, compare LM2734Y-Q1 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% TLE8366 TLE8366 product overviewTLE8366 product overview Infineon DSO-8
0% NCV890100 NCV890100 product overviewNCV890100 product overview ON Semiconductor SOIC-8, DFN-8
0% NCV890101 NCV890101 product overviewNCV890101 product overview ON Semiconductor DFN-10
0% NCV890130 NCV890130 product overviewNCV890130 product overview ON Semiconductor SOIC-8, DFN-8
0% NCV890131 NCV890131 product overviewNCV890131 product overview ON Semiconductor DFN-10
0% NCV890200 NCV890200 product overviewNCV890200 product overview ON Semiconductor SOIC-8
0% NCV890201 NCV890201 product overviewNCV890201 product overview ON Semiconductor DFN-10
0% A7985A A7985A product overviewA7985A product overview ST HSOP-8
0% LM2734X-Q1 LM2734X-Q1 product overviewLM2734X-Q1 product overview Texas Instruments SOT23-6
0% LM2734Z-Q1 LM2734Z-Q1 product overviewLM2734Z-Q1 product overview Texas Instruments WQFN-6, SOT23-6
0% R1245-A-B-AEC R1245-A-B-AEC product overviewR1245-A-B-AEC product overview Ricoh HSOP-8
0% R1245-C-D-AEC R1245-C-D-AEC product overviewR1245-C-D-AEC product overview Ricoh HSOP-8
0% R1245-E-F-AEC R1245-E-F-AEC product overviewR1245-E-F-AEC product overview Ricoh HSOP-8
0% R1245-G-H-AEC R1245-G-H-AEC product overviewR1245-G-H-AEC product overview Ricoh HSOP-8
25% MAX16975 MAX16975 product overviewMAX16975 product overview Maxim QSOP-EP-16
50% MAX16976 MAX16976 product overviewMAX16976 product overview Maxim QSOP-16
50% MAX5033 MAX5033 product overviewMAX5033 product overview Maxim PDIP-8, SOIC-8
50% MAX5035 MAX5035 product overviewMAX5035 product overview Maxim PDIP-8, SOIC-8
50% MPQ2451 MPQ2451 product overviewMPQ2451 product overview MPS SOT23-6
50% LM22674-Q1 LM22674-Q1 product overviewLM22674-Q1 product overview Texas Instruments SO-8
50% LM22675-Q1 LM22675-Q1 product overviewLM22675-Q1 product overview Texas Instruments SO-8
50% LM2590HV-AQ-Q1 LM2590HV-AQ-Q1 product overviewLM2590HV-AQ-Q1 product overview Texas Instruments TO-263, TO-220-7
50% TPS5410-Q1 TPS5410-Q1 product overviewTPS5410-Q1 product overview Texas Instruments SOIC-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LM2734Y-Q1.

V-IN max. 20 V, I-OUT 1 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)
744025004 4.7 1.4 1.7 100.00 2.8 x 2.8 x 3
74404024047 4.7 1.1 1.2 175.00 2.5 x 2 x 1.2
74404032047 4.7 1.3 1.2 96.00 3 x 3 x 1.5
74404041047 4.7 1.6 1.9 91.00 4 x 4 x 1.2
74404042047 4.7 1.7 2.2 70.00 4 x 4 x 1.8
7440420039 3.9 1.8 1.7 60.00 4.8 x 4.8 x 2
744042004 4.7 1.7 1.7 70.00 4.8 x 4.8 x 2
744042005 5.6 1.6 1.4 80.00 4.8 x 4.8 x 2
7440430039 3.9 1.7 1.7 50.00 4.8 x 4.8 x 3
744043004 4.7 1.6 1.7 50.00 4.8 x 4.8 x 3
744043005 5.6 1.4 1.3 70.00 4.8 x 4.8 x 3
744045004 4.7 1.2 2.0 120.00 4.5 x 3.2 x 2.9
7440450056 5.6 1.2 1.9 144.00 4.5 x 3.2 x 2.9
7440520039 3.9 2.0 2.1 50.00 5.8 x 5.8 x 2
744052005 5.0 1.7 1.8 50.00 5.8 x 5.8 x 2
744053004 4.2 2.5 2.2 30.00 5.8 x 5.8 x 3
7440530047 4.7 2.4 2.0 30.00 5.8 x 5.8 x 3
744053005 5.3 2.3 1.9 30.00 5.8 x 5.8 x 3
744062005 5.0 2.2 2.0 40.00 6.8 x 6.8 x 2.5
7440680047 4.7 1.9 1.6 72.00 8 x 8 x 1.2
7440680056 5.6 1.5 1.4 110.00 8 x 8 x 1.2
7440690047 4.7 2.2 1.8 56.00 8 x 8 x 1.5
7440700047 4.7 3.0 2.2 37.00 8 x 8 x 2
7440700056 5.6 2.6 2.0 47.00 8 x 8 x 2
74438324047 4.7 1.0 2.1 300.00 2.5 x 2 x 1.2
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