AS7620A Buck Converter overview

Description

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AS7620A is a 32.00 V non-sync Buck Converter from with 0.50 A output current. The maximum 32.00 V input voltage can be regulated down into a 1.20 V to 32.00 V output voltage.

It requires are a typical inductor size of 10.00 µH, a typical external component count of 12 and achieves a peak efficiency of 93 %. Further AS7620A characteristics are a fixed 300 kHz switching frequency and 1 available package option(s): MLPQ-12 .

For the AS7620A 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. 3.60 V
V-IN max. 32.00 V
I-OUT? 0.50 A
V-OUT min. 1.20 V
V-OUT max. 32.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 300 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 yes
Quiescent current max. 45 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 160 °C
Inductor size typ. 10.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 93 %
Component count min. 12
current limit adjustable yes
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN MLPQ-12
SO/SOIC
SOP
DIP
TO
DDPAK

AS7620A Datasheet

Link to the most up-to-date AS7620A datasheet and the product page for EVM, tools and support information.

AS7620A

AS7620A Sample stock and distributor price breaks

AS7620A prices and online available distributors.

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no online Distributor with AS7620A stock available

Available Distributors with stock: 0

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List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AS7620A. Optional, compare AS7620A side-by-side with other Buck Converter via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AS7620A.

V-IN max. 32 V, I-OUT 0.5 A, V-OUT min. 1.2 V, Frequency typ. 300 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025220 22.0 0.5 0.8 525.00 2.8 x 2.8 x 3
74404032220 22.0 0.6 0.6 450.00 3 x 3 x 1.5
74404042220 22.0 0.7 1.1 290.00 4 x 4 x 1.8
744042180 18.0 0.9 0.7 270.00 4.8 x 4.8 x 2
744042220 22.0 0.9 0.6 280.00 4.8 x 4.8 x 2
744043180 18.0 1.0 0.7 150.00 4.8 x 4.8 x 3
744043220 22.0 0.9 0.7 160.00 4.8 x 4.8 x 3
744043270 27.0 0.9 0.6 170.00 4.8 x 4.8 x 3
744045180 18.0 0.7 1.1 480.00 4.5 x 3.2 x 2.9
744045220 22.0 0.6 1.0 560.00 4.5 x 3.2 x 2.9
744052180 18.0 0.9 1.0 185.00 5.8 x 5.8 x 2
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
744053180 18.0 1.3 1.1 90.00 5.8 x 5.8 x 3
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
744062180 18.0 1.3 1.0 90.00 6.8 x 6.8 x 2.5
744062220 22.0 1.2 1.0 100.00 6.8 x 6.8 x 2.5
7440680180 18.0 0.9 0.8 302.00 8 x 8 x 1.2
7440680220 22.0 0.9 0.7 350.00 8 x 8 x 1.2
7440690180 18.0 1.1 1.1 225.00 8 x 8 x 1.5
7440690220 22.0 1.0 0.9 272.00 8 x 8 x 1.5
7440700180 18.0 1.5 1.1 135.00 8 x 8 x 2
7440700220 22.0 1.3 1.0 166.00 8 x 8 x 2
74408941220 22.0 0.7 1.1 549.00 4.8 x 4.8 x 2.1
744773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
7447785122 22.0 1.4 1.1 210.00 5.9 x 6.2 x 3.3
784773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
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