AAT1141-1.8 Buck Converter overview

Description

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Category
Sub-Category

AAT1141-1.8 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 1.80 V to 1.80 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 98 %. Further AAT1141-1.8 characteristics are a fixed 2000 kHz switching frequency and 1 available package option(s): SOT23-5 .

For the AAT1141-1.8 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. 1.80 V
V-OUT max. 1.80 V
V-OUT 1.800 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 2000 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. 70 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 98 %
Component count min. 3
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT SOT23-5
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

AAT1141-1.8 Datasheet

Link to the most up-to-date AAT1141-1.8 datasheet and the product page for EVM, tools and support information.

AAT1141-1.8

AAT1141-1.8 Sample stock and distributor price breaks

AAT1141-1.8 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with AAT1141 stock available

Available Distributors without stock: 1

Mouser-Electronics (0)

ProductStockPriceBuy
AAT1141IGV-2.0-T1None
10.53 USD
100.46 USD
1000.35 USD
5000.27 USD
10000.21 USD
30000.19 USD
60000.17 USD
90000.17 USD
Buy Now
AAT1141IGV-1.0-T1None
30000.33 USD
Buy Now
AAT1141IGV-3.0-T1None
30000.33 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with AAT1141 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AAT1141-1.8. Optional, compare AAT1141-1.8 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1334-1.8 AS1334-1.8 product overviewAS1334-1.8 product overview AMS DFN-8
0% ADP2102-1,8 ADP2102-1,8 product overviewADP2102-1,8 product overview Analog Devices QFN-8
0% ADP2105-1,8 ADP2105-1,8 product overviewADP2105-1,8 product overview Analog Devices QFN-16
0% ADP2108-1,8 ADP2108-1,8 product overviewADP2108-1,8 product overview Analog Devices TSOT23-5, CSP-5
0% ADP2109-1,8 ADP2109-1,8 product overviewADP2109-1,8 product overview Analog Devices CSP-5
0% ADP2121-1,8 ADP2121-1,8 product overviewADP2121-1,8 product overview Analog Devices CSP-6
0% ADP2138-1,8 ADP2138-1,8 product overviewADP2138-1,8 product overview Analog Devices WLCSP-6
0% ADP2139-1,8 ADP2139-1,8 product overviewADP2139-1,8 product overview Analog Devices WLCSP-6
0% AP6015-1.8 AP6015-1.8 product overviewAP6015-1.8 product overview Diodes MSOP-10
0% MAX1556-1.8 MAX1556-1.8 product overviewMAX1556-1.8 product overview Maxim TDFN-EP-10
0% MAX1742-1.8 MAX1742-1.8 product overviewMAX1742-1.8 product overview Maxim QSOP-16
0% MAX1842-1.8 MAX1842-1.8 product overviewMAX1842-1.8 product overview Maxim QSOP-16
0% MAX1928-1.8 MAX1928-1.8 product overviewMAX1928-1.8 product overview Maxim u00b5MAX-10
0% MAX1973-1.8 MAX1973-1.8 product overviewMAX1973-1.8 product overview Maxim QSOP-16
0% MAX8884-1.8 MAX8884-1.8 product overviewMAX8884-1.8 product overview Maxim CSP-16
0% MIC23050-1.8 MIC23050-1.8 product overviewMIC23050-1.8 product overview Micrel MLF-8
0% NX4108-1.8 NX4108-1.8 product overviewNX4108-1.8 product overview Microsemi SOT23-5
0% DC6M601X6-1.8 DC6M601X6-1.8 product overviewDC6M601X6-1.8 product overview NXP CSP-6
0% DC6M603X6-1.8 DC6M603X6-1.8 product overviewDC6M603X6-1.8 product overview NXP CSP-6
0% BU90004 BU90004 product overviewBU90004 product overview Rohm CSP-6
0% SC4626-1.8 SC4626-1.8 product overviewSC4626-1.8 product overview Semtech SOT23-5
0% AAT1123-1.8 AAT1123-1.8 product overviewAAT1123-1.8 product overview Skyworks SC70-8
0% AAT1151-1.8 AAT1151-1.8 product overviewAAT1151-1.8 product overview Skyworks QFN-16, MSOP-8
0% AAT2749-1.8 AAT2749-1.8 product overviewAAT2749-1.8 product overview Skyworks CSP-9
0% ST1S12XX18 ST1S12XX18 product overviewST1S12XX18 product overview ST TSOT23-5
0% LM3671-1.8 LM3671-1.8 product overviewLM3671-1.8 product overview Texas Instruments USON-6, SOT23-5, DSBGA-5
0% LM3674-1.8 LM3674-1.8 product overviewLM3674-1.8 product overview Texas Instruments SOT23-5
0% LM3676-1.8 LM3676-1.8 product overviewLM3676-1.8 product overview Texas Instruments WSON-8
0% LM3677-1.8 LM3677-1.8 product overviewLM3677-1.8 product overview Texas Instruments USON-6, DSBGA-5
0% LM3691-1.8 LM3691-1.8 product overviewLM3691-1.8 product overview Texas Instruments DSBGA-6
0% TPS62044 TPS62044 product overviewTPS62044 product overview Texas Instruments QFN-10, MSOP
0% TPS62161 TPS62161 product overviewTPS62161 product overview Texas Instruments SON-8
0% TPS62261 TPS62261 product overviewTPS62261 product overview Texas Instruments SON-6, SOT-5
0% TPS62261-Q1 TPS62261-Q1 product overviewTPS62261-Q1 product overview Texas Instruments SON-6, SOT-5
0% TPS62293-Q1 TPS62293-Q1 product overviewTPS62293-Q1 product overview Texas Instruments SON-6, SOT-5
0% TPS62293 TPS62293 product overviewTPS62293 product overview Texas Instruments SON-6, SOT-5
0% ZSPM4011B-1.8 ZSPM4011B-1.8 product overviewZSPM4011B-1.8 product overview ZMDI QFN-16
0% RP504x-1.8 RP504x-1.8 product overviewRP504x-1.8 product overview Ricoh DFN-6, SOT23-5
0% RP508x-1.8 RP508x-1.8 product overviewRP508x-1.8 product overview Ricoh DFN-6
0% RP505K-1.8 RP505K-1.8 product overviewRP505K-1.8 product overview Ricoh DFN-8
0% TS30111-1.8 TS30111-1.8 product overviewTS30111-1.8 product overview Triune Systems QFN-16
0% TS30011-1.8 TS30011-1.8 product overviewTS30011-1.8 product overview Triune Systems QFN-16
0% TS33000-1.8 TS33000-1.8 product overviewTS33000-1.8 product overview Triune Systems QFN-16
0% TS33001-1.8 TS33001-1.8 product overviewTS33001-1.8 product overview Triune Systems QFN-16
0% TS30021-1.8 TS30021-1.8 product overviewTS30021-1.8 product overview Triune Systems QFN-16
0% MP2148-1.8 MP2148-1.8 product overviewMP2148-1.8 product overview MPS QFN-6
0% TPS62562 TPS62562 product overviewTPS62562 product overview Texas Instruments SON-6
0% AS1382C-1.8 AS1382C-1.8 product overviewAS1382C-1.8 product overview AMS WLCSP-6
0% RP509Z-1-1.8 RP509Z-1-1.8 product overviewRP509Z-1-1.8 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AAT1141-1.8.

V-IN max. 5.5 V, I-OUT 0.6 A, V-OUT min. 1.8 V, Frequency typ. 2000 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
744028003 3.3 1.0 0.9 185.00 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
744029003 3.3 1.3 1.0 110.00 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
744030003 3.3 0.7 0.7 198.00 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
744031003 3.6 1.4 1.1 66.00 3.8 x 3.8 x 1.8
74404024033 3.3 1.4 1.3 120.00 2.5 x 2 x 1.2
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
74479888233 3.3 1.1 1.1 250.00 2.5 x 2 x 1
74479889233 3.3 1.3 1.3 250.00 2.5 x 2 x 1.2
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