ADP2120 Buck Converter overview

Description

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ADP2120 is a 5.50 V sync Buck Converter from with 1.25 A output current. The maximum 5.50 V input voltage can be regulated down into a 0.60 V to 5.50 V output voltage.

It requires are a typical inductor size of 1.50 µH, a typical external component count of 8 and achieves a peak efficiency of 94 %. Further ADP2120 characteristics are a fixed 1200 kHz switching frequency and 1 available package option(s): QFN-10 .

For the ADP2120 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. 2.30 V
V-IN max. 5.50 V
I-OUT? 1.25 A
V-OUT min. 0.60 V
V-OUT max. 5.50 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1200 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 1000 kHz
Frequency adj./ ext.clock max 2000 kHz
Softstart yes
Softstart adjustable no
Tracking yes
PG/Power OK yes
Quiescent current max. 200 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 150 °C
Inductor size typ. 1.50 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 94 %
Component count min. 8
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN QFN-10
SO/SOIC
SOP
DIP
TO
DDPAK

ADP2120 Datasheet

Link to the most up-to-date ADP2120 datasheet and the product page for EVM, tools and support information.

ADP2120

ADP2120 Sample stock and distributor price breaks

ADP2120 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with ADP2120 stock available

Available Distributors with stock: 0

no online Distributor with ADP2120 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to ADP2120. Optional, compare ADP2120 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2119 ADP2119 product overviewADP2119 product overview Analog Devices QFN-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of ADP2120.

V-IN max. 5.5 V, I-OUT 1.25 A, V-OUT min. 0.6 V, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025001 1.2 2.6 3.0 36.00 2.8 x 2.8 x 3
744028001 1.0 1.8 1.5 65.00 2.8 x 2.8 x 1.2
744029001 1.0 2.2 1.6 45.00 2.8 x 2.8 x 1.5
744031001 1.5 1.8 1.6 40.00 3.8 x 3.8 x 1.8
744031010 1.0 2.0 1.6 26.00 3.8 x 3.8 x 1.8
74404024010 1.0 2.2 2.6 37.00 2.5 x 2 x 1.2
74404024015 1.5 1.9 2.4 65.00 2.5 x 2 x 1.2
74404032010 1.0 2.2 3.0 33.00 3 x 3 x 1.5
74404032015 1.5 2.0 2.3 40.00 3 x 3 x 1.5
744042001 1.0 2.7 2.6 20.00 4.8 x 4.8 x 2
7440430012 1.2 3.1 2.8 15.00 4.8 x 4.8 x 3
74438321010 1.0 1.3 2.5 163.00 2.5 x 2 x 0.6
74438343015 1.5 1.3 3.0 150.00 2.5 x 1.6 x 0.6
74479275210 1.0 1.8 2.1 69.00 2 x 1.25 x 1
74479276210 1.0 2.0 2.5 65.00 2 x 1.6 x 1
74479876210 1.0 1.5 1.5 70.00 2 x 1.6 x 1
74479889210 1.0 2.0 2.0 85.00 2.5 x 2 x 1.2
74479899210 1.0 2.3 2.5 50.00 3.2 x 2.6 x 1.2
74479976210 1.0 1.8 2.4 75.00 2 x 1.6 x 0.5
74479976215 1.5 1.6 1.9 100.00 2 x 1.6 x 0.5
78438321010 1.0 1.3 2.5 163.00 2.5 x 2 x 0.6
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