AS1341 Buck Converter overview

Description

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AS1341 is a 20.00 V non-sync Buck Converter from with 0.60 A output current. The maximum 20.00 V input voltage can be regulated down into a 1.25 V to 20.00 V output voltage.

It requires are a typical inductor size of 15.00 µH, a typical external component count of 7 and achieves a peak efficiency of 96 %. Further AS1341 characteristics are a fixed 200 kHz switching frequency and 1 available package option(s): DFN-8 .

For the AS1341 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. 20.00 V
I-OUT? 0.60 A
V-OUT min. 1.25 V
V-OUT max. 20.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 200 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 yes
Quiescent current max. 18 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 145 °C
Inductor size typ. 15.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 96 %
Component count min. 7
current limit adjustable yes
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

AS1341 Datasheet

Link to the most up-to-date AS1341 datasheet and the product page for EVM, tools and support information.

AS1341

AS1341 Sample stock and distributor price breaks

AS1341 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with AS1341 stock available

Available Distributors with stock: 0

no online Distributor with AS1341 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AS1341. Optional, compare AS1341 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
10% AS7620A AS7620A product overviewAS7620A product overview AMS MLPQ-12
10% MAX1534 MAX1534 product overviewMAX1534 product overview Maxim TQFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AS1341.

V-IN max. 20 V, I-OUT 0.6 A, V-OUT min. 1.25 V, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404042220 22.0 0.7 1.1 290.00 4 x 4 x 1.8
74404042330 33.0 0.7 0.9 460.00 4 x 4 x 1.8
74404052220 22.0 1.2 1.4 225.00 5 x 5 x 2
74404052330 33.0 1.0 1.1 387.00 5 x 5 x 2
74404054330 33.0 1.2 1.4 188.00 5 x 5 x 4
74404063330 33.0 1.2 1.5 185.00 6 x 6 x 2.8
744045220 22.0 0.6 1.0 560.00 4.5 x 3.2 x 2.9
744052220 22.0 0.8 0.9 240.00 5.8 x 5.8 x 2
744052270 27.0 0.8 0.8 250.00 5.8 x 5.8 x 2
744053220 22.0 1.2 0.9 100.00 5.8 x 5.8 x 3
744053270 27.0 1.1 0.8 135.00 5.8 x 5.8 x 3
744053330 33.0 0.9 0.8 180.00 5.8 x 5.8 x 3
744062220 22.0 1.2 1.0 100.00 6.8 x 6.8 x 2.5
744062330 33.0 0.9 0.8 150.00 6.8 x 6.8 x 2.5
744065330 33.0 1.6 1.3 139.00 10 x 10 x 3.1
7440690220 22.0 1.0 0.9 272.00 8 x 8 x 1.5
7440700220 22.0 1.3 1.0 166.00 8 x 8 x 2
744071330 33.0 1.9 1.5 95.00 8 x 8 x 4.6
74408941220 22.0 0.7 1.1 549.00 4.8 x 4.8 x 2.1
74408942220 22.0 0.9 1.3 300.00 4.8 x 4.8 x 3.1
74408942330 33.0 0.8 1.1 424.00 4.8 x 4.8 x 3.1
74408943220 22.0 1.1 1.4 185.00 4.8 x 4.8 x 4.1
74408943330 33.0 0.9 1.2 259.00 4.8 x 4.8 x 4.1
7447462330 33.0 1.4 1.4 153.00 5.5 x 5.5 x 8.5
744773122 22.0 1.0 1.2 261.00 4 x 4.5 x 3.5
744773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
744773133 33.0 0.9 0.9 370.00 4 x 4.5 x 3.5
744775133 33.0 1.4 1.5 87.80 7 x 7.8 x 5.5
744777133 33.0 1.1 1.4 140.00 7.3 x 7.3 x 4.5
7447779133 33.0 1.1 1.4 140.00 7.3 x 7.3 x 4.5
744778122 22.0 1.4 1.4 119.00 7.3 x 7.3 x 3.4
744778127 27.0 1.3 1.3 140.00 7.3 x 7.3 x 3.4
744778133 33.0 1.2 1.2 153.00 7.3 x 7.3 x 3.4
7447785122 22.0 1.4 1.1 210.00 5.9 x 6.2 x 3.3
7447786122 22.0 2.0 1.3 98.00 5.9 x 6.2 x 5.1
7447789122 22.0 1.4 1.4 119.00 7.3 x 7.3 x 3.5
7447789127 27.0 1.3 1.4 130.00 7.3 x 7.3 x 3.5
7447789133 33.0 1.2 1.2 153.00 7.3 x 7.3 x 3.5
744787330 33.0 1.5 1.3 137.00 7.8 x 7 x 5
784773122 22.0 1.0 1.2 261.00 4 x 4.5 x 3.5
784773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
784773133 33.0 0.9 0.9 370.00 4 x 4.5 x 3.5
784774127 27.0 1.2 1.4 133.00 5.2 x 5.8 x 4.85
784774133 33.0 1.1 1.2 150.00 5.2 x 5.8 x 4.85
784775133 33.0 1.4 1.5 89.00 7 x 7.8 x 5.5
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