TPS54340-Q1 Buck Converter overview

Description

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TPS54340-Q1 is a 42.00 V non-sync Buck Converter from with 3.50 A output current. The maximum 42.00 V input voltage can be regulated down into a 0.80 V to 41.00 V output voltage.

It requires are a typical inductor size of 5.60 µH, a typical external component count of 11 and achieves a peak efficiency of 92 %. Further TPS54340-Q1 characteristics are a adjustable 2500 kHz switching frequency and 1 available package option(s): HSOIC-8 .

For the TPS54340-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? 3.50 A
V-OUT min. 0.80 V
V-OUT max. 41.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 2500 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 no
Tracking no
PG/Power OK no
Quiescent current max. 175 µA
Operating min. -40 °C
Operating max. 125 °C
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 176 °C
Inductor size typ. 5.60 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 yes
Light-Load-Mode yes
Topology Buck
Peak Efficiency 92 %
Component count min. 11
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC HSOIC-8
SOP
DIP
TO
DDPAK

TPS54340-Q1 Datasheet

Link to the most up-to-date TPS54340-Q1 datasheet and the product page for EVM, tools and support information.

TPS54340-Q1

TPS54340-Q1 Sample stock and distributor price breaks

TPS54340-Q1 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with TPS54340 stock available

Available Distributors with stock: 0

no online Distributor with TPS54340 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to TPS54340-Q1. Optional, compare TPS54340-Q1 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% A8583 A8583 product overviewA8583 product overview Allegro TSSOP-16
0% TPS54360-Q1 TPS54360-Q1 product overviewTPS54360-Q1 product overview Texas Instruments HSOIC-8
0% TPS54540-Q1 TPS54540-Q1 product overviewTPS54540-Q1 product overview Texas Instruments HSOIC-8
0% TPS54560-Q1 TPS54560-Q1 product overviewTPS54560-Q1 product overview Texas Instruments HSOIC-8
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% MAX16909 MAX16909 product overviewMAX16909 product overview Maxim TSSOP-EP-16, TQFN-16
25% R1270S R1270S product overviewR1270S product overview Ricoh HSOP-18
50% A8582 A8582 product overviewA8582 product overview Allegro TSSOP-16
50% A8584 A8584 product overviewA8584 product overview Allegro TSSOP-16
50% MPQ4560 MPQ4560 product overviewMPQ4560 product overview MPS SOIC-8E, QFN-10
50% LM26003-Q1 LM26003-Q1 product overviewLM26003-Q1 product overview Texas Instruments HTSSOP-20
50% TPS54240-Q1 TPS54240-Q1 product overviewTPS54240-Q1 product overview Texas Instruments SON-10, MSOP-10
50% TPS54262-Q1 TPS54262-Q1 product overviewTPS54262-Q1 product overview Texas Instruments HTSSOP-20

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of TPS54340-Q1.

V-IN max. 42 V, I-OUT 3.5 A, V-OUT min. 0.8 V, Frequency typ. 2500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402500030 0.3 3.9 5.7 15.00 2.8 x 2.8 x 3
744040420033 0.3 4.5 7.6 13.00 4 x 4 x 1.8
74404300033 0.3 4.0 6.0 8.00 4.8 x 4.8 x 3
74406800024 0.2 4.1 5.8 15.00 8 x 8 x 1.2
74406900022 0.2 5.5 7.5 9.00 8 x 8 x 1.5
744089410022 0.2 4.5 9.5 15.00 4.8 x 4.8 x 2.1
744089420039 0.4 4.2 10.3 15.00 4.8 x 4.8 x 3.1
744089430039 0.4 4.2 9.3 13.50 4.8 x 4.8 x 4.1
744383360033 0.3 5.5 8.3 14.00 3 x 3 x 2
74479276124 0.2 3.6 5.4 19.00 2 x 1.6 x 1
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