AAT1123-1.5 Buck Converter overview

Description

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Category
Sub-Category

AAT1123-1.5 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 1.50 V to 1.50 V output voltage.

It requires are a typical inductor size of 4.70 µH, a typical external component count of 3 and achieves a peak efficiency of 97 %. Further AAT1123-1.5 characteristics are a fixed 1000 kHz switching frequency and 1 available package option(s): SC70-8 .

For the AAT1123-1.5 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. 2.70 V
V-IN max. 5.50 V
I-OUT? 0.60 A
V-OUT min. 1.50 V
V-OUT max. 1.50 V
V-OUT 1.500 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 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 no
Quiescent current max. 50 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 140 °C
Inductor size typ. 4.70 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 97 %
Component count min. 3
current limit adjustable no
Nr.of packages 1
CSP
SC70 SC70-8
SOT
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

AAT1123-1.5 Datasheet

Link to the most up-to-date AAT1123-1.5 datasheet and the product page for EVM, tools and support information.

AAT1123-1.5

AAT1123-1.5 Sample stock and distributor price breaks

AAT1123-1.5 prices and online available distributors.

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no online Distributor with AAT1123 stock available

Available Distributors with stock: 0

no online Distributor with AAT1123 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AAT1123-1.5. Optional, compare AAT1123-1.5 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1334-1.5 AS1334-1.5 product overviewAS1334-1.5 product overview AMS DFN-8
0% ADP2102-1,5 ADP2102-1,5 product overviewADP2102-1,5 product overview Analog Devices QFN-8
0% ADP2105-1,5 ADP2105-1,5 product overviewADP2105-1,5 product overview Analog Devices QFN-16
0% ADP2108-1,5 ADP2108-1,5 product overviewADP2108-1,5 product overview Analog Devices TSOT23-5, CSP-5
0% ADP2109-1,5 ADP2109-1,5 product overviewADP2109-1,5 product overview Analog Devices CSP-5
0% ADP2138-1,5 ADP2138-1,5 product overviewADP2138-1,5 product overview Analog Devices WLCSP-6
0% ADP2139-1,5 ADP2139-1,5 product overviewADP2139-1,5 product overview Analog Devices WLCSP-6
0% FAN4603-1.5 FAN4603-1.5 product overviewFAN4603-1.5 product overview Fairchild MLP-6
0% FAN5361-1.5 FAN5361-1.5 product overviewFAN5361-1.5 product overview Fairchild UMLP-6
0% MAX1557-1.5 MAX1557-1.5 product overviewMAX1557-1.5 product overview Maxim TDFN-EP-10
0% MAX1742-1.5 MAX1742-1.5 product overviewMAX1742-1.5 product overview Maxim QSOP-16
0% MAX1842-1.5 MAX1842-1.5 product overviewMAX1842-1.5 product overview Maxim QSOP-16
0% MAX1928-1.5 MAX1928-1.5 product overviewMAX1928-1.5 product overview Maxim u00b5MAX-10
0% MAX1974-1.5 MAX1974-1.5 product overviewMAX1974-1.5 product overview Maxim u00b5MAX-10
0% NX4108-1.5 NX4108-1.5 product overviewNX4108-1.5 product overview Microsemi SOT23-5
0% DC6M601X6-1.5 DC6M601X6-1.5 product overviewDC6M601X6-1.5 product overview NXP CSP-6
0% DC6M603X6-1.5 DC6M603X6-1.5 product overviewDC6M603X6-1.5 product overview NXP CSP-6
0% SC4626-1.5 SC4626-1.5 product overviewSC4626-1.5 product overview Semtech SOT23-5
0% AAT1141-1.5 AAT1141-1.5 product overviewAAT1141-1.5 product overview Skyworks SOT23-5
0% LM3671-1.5 LM3671-1.5 product overviewLM3671-1.5 product overview Texas Instruments SOT23-5, DSBGA-5
0% LM3674-1.5 LM3674-1.5 product overviewLM3674-1.5 product overview Texas Instruments SOT23-5
0% LM3676-1.5 LM3676-1.5 product overviewLM3676-1.5 product overview Texas Instruments WSON-8
0% LM3677-1.5 LM3677-1.5 product overviewLM3677-1.5 product overview Texas Instruments USON-6, DSBGA-5
0% LM3691-1.5 LM3691-1.5 product overviewLM3691-1.5 product overview Texas Instruments DSBGA-6
0% TPS62042 TPS62042 product overviewTPS62042 product overview Texas Instruments QFN-10, MSOP
0% ZSPM4011B-1.5 ZSPM4011B-1.5 product overviewZSPM4011B-1.5 product overview ZMDI QFN-16
0% RP504x-1.5 RP504x-1.5 product overviewRP504x-1.5 product overview Ricoh DFN-6, SOT23-5
0% RP508x-1.5 RP508x-1.5 product overviewRP508x-1.5 product overview Ricoh DFN-6
0% RP505K-1.5 RP505K-1.5 product overviewRP505K-1.5 product overview Ricoh DFN-8
0% TS30111-1.5 TS30111-1.5 product overviewTS30111-1.5 product overview Triune Systems QFN-16
0% TS30011-1.5 TS30011-1.5 product overviewTS30011-1.5 product overview Triune Systems QFN-16
0% TS33000-1.5 TS33000-1.5 product overviewTS33000-1.5 product overview Triune Systems QFN-16
0% TS33001-1.5 TS33001-1.5 product overviewTS33001-1.5 product overview Triune Systems QFN-16
0% TS30021-1.5 TS30021-1.5 product overviewTS30021-1.5 product overview Triune Systems QFN-16
0% MP2148-1.5 MP2148-1.5 product overviewMP2148-1.5 product overview MPS QFN-6
0% AS1382A-1.5 AS1382A-1.5 product overviewAS1382A-1.5 product overview AMS WLCSP-6
0% RP509Z-1-1.5 RP509Z-1-1.5 product overviewRP509Z-1-1.5 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AAT1123-1.5.

V-IN max. 5.5 V, I-OUT 0.6 A, V-OUT min. 1.5 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744029004 4.7 1.0 0.8 170.00 2.8 x 2.8 x 1.5
744031004 4.7 1.2 0.9 90.00 3.8 x 3.8 x 1.8
74404024047 4.7 1.1 1.2 175.00 2.5 x 2 x 1.2
74404032047 4.7 1.3 1.2 96.00 3 x 3 x 1.5
744042005 5.6 1.6 1.4 80.00 4.8 x 4.8 x 2
744043005 5.6 1.4 1.3 70.00 4.8 x 4.8 x 3
744052006 6.2 1.5 1.6 70.00 5.8 x 5.8 x 2
7440680047 4.7 1.9 1.6 72.00 8 x 8 x 1.2
7440680056 5.6 1.5 1.4 110.00 8 x 8 x 1.2
74479889247 4.7 0.9 0.9 400.00 2.5 x 2 x 1.2
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