AAT2505 Buck Converter overview



AAT2505 is a 5.50 V sync Buck Converter from with 0.60 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 6.80 µH, a typical external component count of 5 and achieves a peak efficiency of 98 %. Further AAT2505 characteristics are a fixed 1400 kHz switching frequency and 1 available package option(s): TDFN-12 .

For the AAT2505 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.

Search Filter
V-IN min. 2.70 V
V-IN max. 5.50 V
I-OUT? 0.60 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. 1400 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. 70 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 145 °C
Inductor size typ. 6.80 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 98 %
Component count min. 5
current limit adjustable no
Nr.of packages 1

AAT2505 Datasheet

Link to the most up-to-date AAT2505 datasheet and the product page for EVM, tools and support information.


AAT2505 Sample stock and distributor price breaks

AAT2505 prices and online available distributors.


Available Distributors with stock: 0

no online Distributor with AAT2505 stock available

Available Distributors without stock: 2


14.04 USD
103.88 USD
253.55 USD
503.39 USD
1003.23 USD
2502.83 USD
5002.75 USD
10002.34 USD
25002.18 USD
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Mouser-Electronics (0)

AAT2505IWP-AO-T1NoneBuy Now
AAT2505IWP-AQ-T1NoneBuy Now
AAT2505IWP-AO-DB1NoneBuy Now
AAT2505IWP-AO-DB1NoneBuy Now

Available Distributors with stock: 0

no online Distributor with AAT2505 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AAT2505. Optional, compare AAT2505 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3606B LTC3606B product overviewLTC3606B product overview Linear Technology DFN-8
0% MP2158 MP2158 product overviewMP2158 product overview MPS QFN-8
0% MP2159 MP2159 product overviewMP2159 product overview MPS TSOT23-8
0% NCP6332 NCP6332 product overviewNCP6332 product overview ON Semiconductor WDFN-8
0% AAT2503 AAT2503 product overviewAAT2503 product overview Skyworks QFN-20
0% AAT2504 AAT2504 product overviewAAT2504 product overview Skyworks QFN-20
0% MP2159A MP2159A product overviewMP2159A product overview MPS TSOT23-8
10% LTC3447 LTC3447 product overviewLTC3447 product overview Linear Technology DFN-10
25% ISL8010 ISL8010 product overviewISL8010 product overview Intersil MSOP-10
25% MAX1927 MAX1927 product overviewMAX1927 product overview Maxim u00b5MAX-10
25% MCP1602 MCP1602 product overviewMCP1602 product overview Microchip DFN-8, MSOP-8
50% LTC3103 LTC3103 product overviewLTC3103 product overview Linear Technology DFN-10, MSOP-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AAT2505.

V-IN max. 5.5 V, I-OUT 0.6 A, V-OUT min. 0.6 V, Frequency typ. 1400 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744028002 2.2 1.3 1.0 125.00 2.8 x 2.8 x 1.2
744029002 2.2 1.5 1.2 88.00 2.8 x 2.8 x 1.5
744030002 2.2 0.7 0.8 140.00 3.3 x 3.5 x 1.05
744031002 2.5 1.5 1.3 50.00 3.8 x 3.8 x 1.8
7440320027 2.7 0.6 1.6 144.00 3.2 x 2.5 x 2.3
74479887222A 2.2 1.4 0.8 140.00 2.5 x 2 x 1
74479888222 2.2 1.2 1.4 200.00 2.5 x 2 x 1
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