AAT1145 Buck Converter overview

Description

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Sub-Category

AAT1145 is a 5.50 V sync Buck Converter from with 1.50 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 2.20 µH, a typical external component count of 5 and achieves a peak efficiency of 95 %. Further AAT1145 characteristics are a fixed 1200 kHz switching frequency and 1 available package option(s): TDFN-10 .

For the AAT1145 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. 2.50 V
V-IN max. 5.50 V
I-OUT? 1.50 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. 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. 500 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 170 °C
Inductor size typ. 2.20 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 5
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN TDFN-10
SO/SOIC
SOP
DIP
TO
DDPAK

AAT1145 Datasheet

Link to the most up-to-date AAT1145 datasheet and the product page for EVM, tools and support information.

AAT1145

AAT1145 Sample stock and distributor price breaks

AAT1145 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with AAT1145 stock available

Available Distributors without stock: 2

DIGI-KEY (0)

ProductStockPriceBuy
AAT1145IDE-1.8-T10
15000.00 USD
Buy Now

Mouser-Electronics (0)

ProductStockPriceBuy
AAT1145IDE-0.6-T1NoneBuy Now
AAT1145IDE-1.8-T1NoneBuy Now
AAT1145IDE-1.8-DB1NoneBuy Now
AAT1145IDE-1.8-DB1NoneBuy Now

Available Distributors with stock: 0

no online Distributor with AAT1145 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AAT1145. Optional, compare AAT1145 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AOZ1252PI AOZ1252PI product overviewAOZ1252PI product overview Alpha Omega SO-8-EP
0% AOZ1253PI AOZ1253PI product overviewAOZ1253PI product overview Alpha Omega SO-8-EP
0% AOZ1615DI AOZ1615DI product overviewAOZ1615DI product overview Alpha Omega DFN
0% AS1328 AS1328 product overviewAS1328 product overview AMS QFN-16
0% ADP2119 ADP2119 product overviewADP2119 product overview Analog Devices QFN-10
0% XRP6657 XRP6657 product overviewXRP6657 product overview Exar DFN-6
0% ISL80019 ISL80019 product overviewISL80019 product overview Intersil DFN-8
0% ISL80019A ISL80019A product overviewISL80019A product overview Intersil DFN-8
0% ISL8002 ISL8002 product overviewISL8002 product overview Intersil DFN-8
0% ISL8002A ISL8002A product overviewISL8002A product overview Intersil DFN-8
0% MAX15053 MAX15053 product overviewMAX15053 product overview Maxim WLP-9
0% MAX15058 MAX15058 product overviewMAX15058 product overview Maxim WLP-9
0% MAX77271 MAX77271 product overviewMAX77271 product overview Maxim WLP-9
0% MAX8989 MAX8989 product overviewMAX8989 product overview Maxim WLP-9
0% LX7167 LX7167 product overviewLX7167 product overview Microsemi DFN-8
0% MP2143 MP2143 product overviewMP2143 product overview MPS TSOT23-8
0% MP2144 MP2144 product overviewMP2144 product overview MPS TSOT23-8
0% MP2161 MP2161 product overviewMP2161 product overview MPS TSOT23-8
0% MP2162 MP2162 product overviewMP2162 product overview MPS QFN-8
0% MP28256 MP28256 product overviewMP28256 product overview MPS QFN-14
0% NCP1593 NCP1593 product overviewNCP1593 product overview ON Semiconductor DFN-10
0% NCP6334 NCP6334 product overviewNCP6334 product overview ON Semiconductor WDFN-8
0% NCV6334 NCV6334 product overviewNCV6334 product overview ON Semiconductor WDFN-8
0% AAT1112 AAT1112 product overviewAAT1112 product overview Skyworks TSOP-12, TDFN-12
0% AAT1153 AAT1153 product overviewAAT1153 product overview Skyworks TDFN-10
0% AAT1160 AAT1160 product overviewAAT1160 product overview Skyworks TDFN-16
0% AAT1162 AAT1162 product overviewAAT1162 product overview Skyworks TDFN-16
0% AAT2153 AAT2153 product overviewAAT2153 product overview Skyworks QFN-16
0% AAT2158 AAT2158 product overviewAAT2158 product overview Skyworks QFN-16
0% AAT2786 AAT2786 product overviewAAT2786 product overview Skyworks TDFN-16
0% PM8903 PM8903 product overviewPM8903 product overview ST QFN-16
0% PM8903A PM8903A product overviewPM8903A product overview ST QFN-16
0% TLV62565 TLV62565 product overviewTLV62565 product overview Texas Instruments SOT23-5
0% TLV62566 TLV62566 product overviewTLV62566 product overview Texas Instruments SOT23-5
0% FAN53525 FAN53525 product overviewFAN53525 product overview Fairchild WLCSP-15
0% FAN5909 FAN5909 product overviewFAN5909 product overview Fairchild WLCSP-16
0% RP506x-F RP506x-F product overviewRP506x-F product overview Ricoh DFN-10
0% MIC23163 MIC23163 product overviewMIC23163 product overview Micrel DFN-10
0% MIC23164 MIC23164 product overviewMIC23164 product overview Micrel DFN-10
0% MP2143H MP2143H product overviewMP2143H product overview MPS QFN-10
0% MPQ2249 MPQ2249 product overviewMPQ2249 product overview MPS SOIC-8E
0% MP2161A MP2161A product overviewMP2161A product overview MPS TSOT23-8
10% MIC23153 MIC23153 product overviewMIC23153 product overview Micrel MLF-10
10% MIC23155 MIC23155 product overviewMIC23155 product overview Micrel MLF-10
10% MIC23156 MIC23156 product overviewMIC23156 product overview Micrel MLF-17, WLCSP-16
25% ACT8310 ACT8310 product overviewACT8310 product overview Active Semi TDFN-8
25% ACT8311 ACT8311 product overviewACT8311 product overview Active Semi TDFN-8
25% ADP2106 ADP2106 product overviewADP2106 product overview Analog Devices QFN-16
25% ADP2107 ADP2107 product overviewADP2107 product overview Analog Devices QFN-16
25% ADP2120 ADP2120 product overviewADP2120 product overview Analog Devices QFN-10
25% FAN5355 FAN5355 product overviewFAN5355 product overview Fairchild MLP-10, CSP-12
25% ISL8009A ISL8009A product overviewISL8009A product overview Intersil DFN-8
25% ISL8012 ISL8012 product overviewISL8012 product overview Intersil DFN-10
25% ISL9106 ISL9106 product overviewISL9106 product overview Intersil DFN-10
25% ISL9107 ISL9107 product overviewISL9107 product overview Intersil DFN-8
25% ISL9108 ISL9108 product overviewISL9108 product overview Intersil DFN-8
25% ISL9109 ISL9109 product overviewISL9109 product overview Intersil DFN-8
25% LTC1875 LTC1875 product overviewLTC1875 product overview Linear Technology TSSOP-16
25% LTC1879 LTC1879 product overviewLTC1879 product overview Linear Technology TSSOP-16
25% LTC3564 LTC3564 product overviewLTC3564 product overview Linear Technology DFN-6, TSOT23
25% MAX1556 MAX1556 product overviewMAX1556 product overview Maxim TDFN-EP-10
25% MAX8649 MAX8649 product overviewMAX8649 product overview Maxim WLP-16
25% MP2119 MP2119 product overviewMP2119 product overview MPS QFN-10
25% MP2209 MP2209 product overviewMP2209 product overview MPS QFN-14
25% NCP1595 NCP1595 product overviewNCP1595 product overview ON Semiconductor DFN-6
25% NCP1597 NCP1597 product overviewNCP1597 product overview ON Semiconductor DFN-6
25% NCP1597B NCP1597B product overviewNCP1597B product overview ON Semiconductor QFN-10
25% NCP6332 NCP6332 product overviewNCP6332 product overview ON Semiconductor WDFN-8
25% SC196 SC196 product overviewSC196 product overview Semtech MLPD-10
25% AAT1157 AAT1157 product overviewAAT1157 product overview Skyworks QFN-16
25% TPS62040 TPS62040 product overviewTPS62040 product overview Texas Instruments QFN-10, MSOP
25% TPS62060 TPS62060 product overviewTPS62060 product overview Texas Instruments SON-8
25% TPS62065 TPS62065 product overviewTPS62065 product overview Texas Instruments SON-8
25% TPS62067 TPS62067 product overviewTPS62067 product overview Texas Instruments SON-8
25% RP506x-C RP506x-C product overviewRP506x-C product overview Ricoh DFN-10
25% LX7172 LX7172 product overviewLX7172 product overview Microsemi SOT23-5
25% LX7172A LX7172A product overviewLX7172A product overview Microsemi SOT23-5
25% TPS62065-Q1 TPS62065-Q1 product overviewTPS62065-Q1 product overview Texas Instruments SON-8
25% TPS62067-Q1 TPS62067-Q1 product overviewTPS62067-Q1 product overview Texas Instruments SON-8
50% ADP2147-0,9-1,1 ADP2147-0,9-1,1 product overviewADP2147-0,9-1,1 product overview Analog Devices WLCSP-6
50% ADP2147-0,9-1,3 ADP2147-0,9-1,3 product overviewADP2147-0,9-1,3 product overview Analog Devices WLCSP-6
50% FAN2001 FAN2001 product overviewFAN2001 product overview Fairchild MLP-6
50% FAN2002 FAN2002 product overviewFAN2002 product overview Fairchild MLP-6
50% FAN5365 FAN5365 product overviewFAN5365 product overview Fairchild CSP-9
50% LTC3560 LTC3560 product overviewLTC3560 product overview Linear Technology TSOT23
50% LTC3606B LTC3606B product overviewLTC3606B product overview Linear Technology DFN-8
50% MAX1572 MAX1572 product overviewMAX1572 product overview Maxim TQFN-12
50% MAX1927 MAX1927 product overviewMAX1927 product overview Maxim u00b5MAX-10
50% MAX1958 MAX1958 product overviewMAX1958 product overview Maxim TQFN-20
50% MAX77179 MAX77179 product overviewMAX77179 product overview Maxim WLP-12
50% MP2158 MP2158 product overviewMP2158 product overview MPS QFN-8
50% MP2159 MP2159 product overviewMP2159 product overview MPS TSOT23-8
50% TPS62250 TPS62250 product overviewTPS62250 product overview Texas Instruments SON-6
50% TPS62290-Q1 TPS62290-Q1 product overviewTPS62290-Q1 product overview Texas Instruments SON-6, SOT-5
50% TPS62290 TPS62290 product overviewTPS62290 product overview Texas Instruments SON-6, SOT-5
50% XC9223 XC9223 product overviewXC9223 product overview Torex USP-10, MSOP-10
50% RP505K RP505K product overviewRP505K product overview Ricoh DFN-8
50% MP2148 MP2148 product overviewMP2148 product overview MPS QFN-6
50% MP2159A MP2159A product overviewMP2159A product overview MPS TSOT23-8
50% TPS62590 TPS62590 product overviewTPS62590 product overview Texas Instruments SON-6
50% TPS62590-Q1 TPS62590-Q1 product overviewTPS62590-Q1 product overview Texas Instruments SON-6
50% RP509Z-1 RP509Z-1 product overviewRP509Z-1 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AAT1145.

V-IN max. 5.5 V, I-OUT 1.5 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
74402900082 0.8 2.4 1.8 36.00 2.8 x 2.8 x 1.5
74404024010 1.0 2.2 2.6 37.00 2.5 x 2 x 1.2
74404032010 1.0 2.2 3.0 33.00 3 x 3 x 1.5
74404041010 1.0 2.5 3.4 41.00 4 x 4 x 1.2
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
7440520012 1.2 3.0 3.5 20.00 5.8 x 5.8 x 2
7440680010 1.0 2.8 3.3 32.00 8 x 8 x 1.2
74438322010 1.0 1.8 3.4 107.00 2.5 x 2 x 0.8
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
74479276210C 1.0 2.1 3.1 53.00 2 x 1.25 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
74479977182 0.8 2.0 2.0 90.00 2 x 1.6 x 0.9
78438322010 1.0 1.8 3.4 107.00 2.5 x 2 x 0.8
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