LT1934-1 Buck Converter overview

Description

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LT1934-1 is a 34.00 V non-sync Buck Converter from with 0.06 A output current. The maximum 34.00 V input voltage can be regulated down into a 1.25 V to 34.00 V output voltage.

It requires are a typical inductor size of 47.00 µH, a typical external component count of 9 and achieves a peak efficiency of 85 %. Further LT1934-1 characteristics are a fixed 500 kHz switching frequency and 2 available package option(s): TSOT23-6 DFN-6 .

For the LT1934-1 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. 3.20 V
V-IN max. 34.00 V
I-OUT? 0.06 A
V-OUT min. 1.25 V
V-OUT max. 34.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 500 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. 26 µA
Operating min. -40 °C
Operating max. 125 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 47.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 85 %
Component count min. 9
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT TSOT23-6
MSOP
QFN/DFN DFN-6
SO/SOIC
SOP
DIP
TO
DDPAK

LT1934-1 Datasheet

Link to the most up-to-date LT1934-1 datasheet and the product page for EVM, tools and support information.

LT1934-1

LT1934-1 Sample stock and distributor price breaks

LT1934-1 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with LT1934 stock available

Available Distributors with stock: 0

no online Distributor with LT1934 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1934-1. Optional, compare LT1934-1 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LM2840X LM2840X product overviewLM2840X product overview Texas Instruments SOT23-6
0% LM2840X-Q1 LM2840X-Q1 product overviewLM2840X-Q1 product overview Texas Instruments SOT23-6
0% LM2840Y LM2840Y product overviewLM2840Y product overview Texas Instruments SOT23-6
0% LM2840Y-Q1 LM2840Y-Q1 product overviewLM2840Y-Q1 product overview Texas Instruments SOT23-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1934-1.

V-IN max. 34 V, I-OUT 0.06 A, V-OUT min. 1.25 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744031101 100.0 0.3 0.2 1,930.00 3.8 x 3.8 x 1.8
744032101 100.0 0.1 0.3 5,200.00 3.2 x 2.5 x 2.3
744032121 120.0 0.1 0.2 5,600.00 3.2 x 2.5 x 2.3
74404041101 100.0 0.4 0.4 1,697.00 4 x 4 x 1.2
744042101 100.0 0.4 0.3 1,170.00 4.8 x 4.8 x 2
744043101 100.0 0.5 0.3 550.00 4.8 x 4.8 x 3
744043151 150.0 0.4 0.2 770.00 4.8 x 4.8 x 3
744062151 150.0 0.4 0.4 605.00 6.8 x 6.8 x 2.5
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