AAT1146 Buck Converter overview

Description

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Category
Sub-Category

AAT1146 is a 5.50 V sync Buck Converter from with 0.40 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 4.70 µH, a typical external component count of 5 and achieves a peak efficiency of 98 %. Further AAT1146 characteristics are a fixed 1400 kHz switching frequency and 2 available package option(s): SC70-8 SOT23-5 .

For the AAT1146 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? 0.40 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 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. 5
current limit adjustable no
Nr.of packages 2
CSP
SC70 SC70-8
SOT SOT23-5
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

AAT1146 Datasheet

Link to the most up-to-date AAT1146 datasheet and the product page for EVM, tools and support information.

AAT1146

AAT1146 Sample stock and distributor price breaks

AAT1146 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with AAT1146 stock available

Available Distributors without stock: 2

DIGI-KEY (0)

ProductStockPriceBuy
AAT1146IJS-1.2-T10
150000.00 USD
Buy Now
AAT1146IJS-1.2-T10
10.00 USD
Buy Now
AAT1146IJS-1.2-T10
10.00 USD
Buy Now

Mouser-Electronics (0)

ProductStockPriceBuy
AAT1146IJS-1.2-T1NoneBuy Now
AAT1146IJS-0.6-T1NoneBuy Now
AAT1146AIGV-0.6-T1NoneBuy Now
AAT1146IJS-1.8-T1NoneBuy Now
AAT1146IJS-1.875-DB1NoneBuy Now
AAT1146IJS-1.875-DB1NoneBuy Now
AAT1146IJS-1.875-DB1NoneBuy Now
AAT1146IJS-1.875-DB1NoneBuy Now
AAT1146IJS-1.875-DB1NoneBuy Now

Available Distributors with stock: 0

no online Distributor with AAT1146 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AAT1146. Optional, compare AAT1146 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AOZ1605DI AOZ1605DI product overviewAOZ1605DI product overview Alpha Omega DFN
0% AOZ1606DI AOZ1606DI product overviewAOZ1606DI product overview Alpha Omega DFN
0% AP3406 AP3406 product overviewAP3406 product overview BCDSemi TSOT23-5
0% AP3406A AP3406A product overviewAP3406A product overview BCDSemi DFN-6, TSOT23-5
0% LTC3406A LTC3406A product overviewLTC3406A product overview Linear Technology TSOT23
0% LTC3406AB LTC3406AB product overviewLTC3406AB product overview Linear Technology TSOT23
0% LTC3406AB-2 LTC3406AB-2 product overviewLTC3406AB-2 product overview Linear Technology TSOT23
0% LTC3542 LTC3542 product overviewLTC3542 product overview Linear Technology DFN-6, SOT23
0% LTC3543 LTC3543 product overviewLTC3543 product overview Linear Technology DFN-6
0% LTC3560 LTC3560 product overviewLTC3560 product overview Linear Technology TSOT23
0% LTC3606B LTC3606B product overviewLTC3606B product overview Linear Technology DFN-8
0% MAX8560 MAX8560 product overviewMAX8560 product overview Maxim DFN-8, TSOT23-5
0% MAX8561 MAX8561 product overviewMAX8561 product overview Maxim TDFN-EP-8
0% MAX8562 MAX8562 product overviewMAX8562 product overview Maxim TDFN-EP-8
0% MAX8581 MAX8581 product overviewMAX8581 product overview Maxim TDFN-EP-10
0% MAX8582 MAX8582 product overviewMAX8582 product overview Maxim TDFN-EP-10
0% MAX8805-W,Y MAX8805-W,Y product overviewMAX8805-W,Y product overview Maxim WLP-16
0% MAX8805-X,Z MAX8805-X,Z product overviewMAX8805-X,Z product overview Maxim WLP-16
0% AAT1110 AAT1110 product overviewAAT1110 product overview Skyworks SC70-8
0% AAT1120 AAT1120 product overviewAAT1120 product overview Skyworks STDFN-8
0% AAT1123 AAT1123 product overviewAAT1123 product overview Skyworks SC70-8
0% AAT1126 AAT1126 product overviewAAT1126 product overview Skyworks TSOT23-5
0% AAT1130 AAT1130 product overviewAAT1130 product overview Skyworks SC70-8
0% AAT1141 AAT1141 product overviewAAT1141 product overview Skyworks SOT23-5
0% AAT1142 AAT1142 product overviewAAT1142 product overview Skyworks TSOPJW-12, TDFN-12
0% AAT1143 AAT1143 product overviewAAT1143 product overview Skyworks SC70-8
0% AAT1147 AAT1147 product overviewAAT1147 product overview Skyworks SC70-8
0% AAT1171 AAT1171 product overviewAAT1171 product overview Skyworks TDFN-12, WLCSP-12
0% AAT2120 AAT2120 product overviewAAT2120 product overview Skyworks STDFN-8
0% AAT2146 AAT2146 product overviewAAT2146 product overview Skyworks SC70-8
0% AAT2146W AAT2146W product overviewAAT2146W product overview Skyworks SC70-8
0% AAT2500 AAT2500 product overviewAAT2500 product overview Skyworks TDFN-12
0% AAT2500M AAT2500M product overviewAAT2500M product overview Skyworks TSOPJW-12
0% AAT2503 AAT2503 product overviewAAT2503 product overview Skyworks QFN-20
0% AAT2504 AAT2504 product overviewAAT2504 product overview Skyworks QFN-20
0% AAT2505 AAT2505 product overviewAAT2505 product overview Skyworks TDFN-12
0% AAT2506 AAT2506 product overviewAAT2506 product overview Skyworks TDFN-12
0% SKY87201 SKY87201 product overviewSKY87201 product overview Skyworks STDFN-8
0% SKY87250 SKY87250 product overviewSKY87250 product overview Skyworks DFN-8
0% ST1S12XX ST1S12XX product overviewST1S12XX product overview ST TSOT23-5
0% TPS62250 TPS62250 product overviewTPS62250 product overview Texas Instruments SON-6
0% TPS62260 TPS62260 product overviewTPS62260 product overview Texas Instruments SON-6, SOT-5
0% TPS62260-Q1 TPS62260-Q1 product overviewTPS62260-Q1 product overview Texas Instruments SON-6, SOT-5
0% TPS62300 TPS62300 product overviewTPS62300 product overview Texas Instruments SON-10, DSBGA-8
0% TPS62320 TPS62320 product overviewTPS62320 product overview Texas Instruments SON-10, DSBGA-8
0% RT2657 RT2657 product overviewRT2657 product overview Richtek WDFN-6
0% RP509Z-2 RP509Z-2 product overviewRP509Z-2 product overview Ricoh WLCSP-6
10% LTC3447 LTC3447 product overviewLTC3447 product overview Linear Technology DFN-10
10% MIC23030 MIC23030 product overviewMIC23030 product overview Micrel MLF-6
10% MIC23031 MIC23031 product overviewMIC23031 product overview Micrel MLF-6
10% LM3670 LM3670 product overviewLM3670 product overview Texas Instruments SOT23-5
10% TPS62020 TPS62020 product overviewTPS62020 product overview Texas Instruments QFN-10, MSOP
10% TPS62021 TPS62021 product overviewTPS62021 product overview Texas Instruments QFN-10, MSOP
10% TPS62220 TPS62220 product overviewTPS62220 product overview Texas Instruments TSOT23-5
10% RP507K RP507K product overviewRP507K product overview Ricoh DFN-6
25% ADP2102 ADP2102 product overviewADP2102 product overview Analog Devices QFN-8
25% ISL8010 ISL8010 product overviewISL8010 product overview Intersil MSOP-10
25% ISL9103 ISL9103 product overviewISL9103 product overview Intersil TDFN-6
25% ISL9103A ISL9103A product overviewISL9103A product overview Intersil TDFN-6
25% ISL9104 ISL9104 product overviewISL9104 product overview Intersil TDFN-6
25% ISL9104A ISL9104A product overviewISL9104A product overview Intersil TDFN-6
25% ISL9105 ISL9105 product overviewISL9105 product overview Intersil DFN-8
25% LTC1627 LTC1627 product overviewLTC1627 product overview Linear Technology SO-8
25% LTC1707 LTC1707 product overviewLTC1707 product overview Linear Technology SO-8
25% LTC1877 LTC1877 product overviewLTC1877 product overview Linear Technology MSOP-8
25% LTC1878 LTC1878 product overviewLTC1878 product overview Linear Technology MSOP-8
25% LTC3103 LTC3103 product overviewLTC3103 product overview Linear Technology DFN-10, MSOP-10
25% LTC3630 LTC3630 product overviewLTC3630 product overview Linear Technology DFN-16, MSOP-16
25% MAX1557 MAX1557 product overviewMAX1557 product overview Maxim TDFN-EP-10
25% MAX8640Y MAX8640Y product overviewMAX8640Y product overview Maxim u00b5DFN-6
25% MCP1602 MCP1602 product overviewMCP1602 product overview Microchip DFN-8, MSOP-8
25% BD9161 BD9161 product overviewBD9161 product overview Rohm MSOP-8
25% SC195 SC195 product overviewSC195 product overview Semtech MLPQ-8
25% SC202A SC202A product overviewSC202A product overview Semtech MLPQ-13
25% TPS62200 TPS62200 product overviewTPS62200 product overview Texas Instruments SOT23-5
25% TPS62240 TPS62240 product overviewTPS62240 product overview Texas Instruments SON-6, SOT-5
25% EL7534 EL7534 product overviewEL7534 product overview Intersil MSOP-10
50% LTC3549 LTC3549 product overviewLTC3549 product overview Linear Technology DFN-6
50% TPS62270 TPS62270 product overviewTPS62270 product overview Texas Instruments SON-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AAT1146.

V-IN max. 5.5 V, I-OUT 0.4 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)
744028003 3.3 1.0 0.9 185.00 2.8 x 2.8 x 1.2
744029003 3.3 1.3 1.0 110.00 2.8 x 2.8 x 1.5
744030003 3.3 0.7 0.7 198.00 3.3 x 3.5 x 1.05
744031003 3.6 1.4 1.1 66.00 3.8 x 3.8 x 1.8
74479887233A 3.3 1.2 0.6 180.00 2.5 x 2 x 1
74479888233 3.3 1.1 1.1 250.00 2.5 x 2 x 1
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