AAT1138 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

AAT1138 is a 5.50 V sync Buck Converter from with 2.00 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 7 and achieves a peak efficiency of 95 %. Further AAT1138 characteristics are a fixed 1200 kHz switching frequency and 1 available package option(s): TDFN-16 .

For the AAT1138 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? 2.00 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.
Inductor size typ. 2.20 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 95 %
Component count min. 7
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN TDFN-16
SO/SOIC
SOP
DIP
TO
DDPAK

AAT1138 Datasheet

Link to the most up-to-date AAT1138 datasheet and the product page for EVM, tools and support information.

AAT1138

AAT1138 Sample stock and distributor price breaks

AAT1138 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with AAT1138 stock available

Available Distributors without stock: 1

Mouser-Electronics (0)

ProductStockPriceBuy
AAT1138IRN-0.6-T1NoneBuy Now
AAT1138IRN-0.6-DB1NoneBuy Now

Available Distributors with stock: 0

no online Distributor with AAT1138 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AAT1138. Optional, compare AAT1138 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% AOZ1254PI AOZ1254PI product overviewAOZ1254PI product overview Alpha Omega SO-8-EP
0% AS1328 AS1328 product overviewAS1328 product overview AMS QFN-16
0% ADP2119 ADP2119 product overviewADP2119 product overview Analog Devices QFN-10
0% SP7656 SP7656 product overviewSP7656 product overview Exar NSOIC-8
0% IR3802M IR3802M product overviewIR3802M product overview IRF PQFN-15
0% IR3812M IR3812M product overviewIR3812M product overview IRF PQFN-15
0% IR3822M IR3822M product overviewIR3822M product overview IRF PQFN-15
0% ISL8002 ISL8002 product overviewISL8002 product overview Intersil DFN-8
0% ISL8002A ISL8002A product overviewISL8002A product overview Intersil DFN-8
0% MAX15041 MAX15041 product overviewMAX15041 product overview Maxim TQFN-EP-16
0% MAX15050 MAX15050 product overviewMAX15050 product overview Maxim WLP-16
0% MAX15051 MAX15051 product overviewMAX15051 product overview Maxim WLP-16
0% MAX15053 MAX15053 product overviewMAX15053 product overview Maxim WLP-9
0% MAX15058 MAX15058 product overviewMAX15058 product overview Maxim WLP-9
0% MAX15066 MAX15066 product overviewMAX15066 product overview Maxim WLP-16
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% MP2130 MP2130 product overviewMP2130 product overview MPS
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% NCP6354 NCP6354 product overviewNCP6354 product overview ON Semiconductor WDFN-8
0% NCV6334 NCV6334 product overviewNCV6334 product overview ON Semiconductor WDFN-8
0% NCV6354 NCV6354 product overviewNCV6354 product overview ON Semiconductor WDFN-8
0% SY8012A SY8012A product overviewSY8012A product overview Silergy SO-8
0% SY8012B SY8012B product overviewSY8012B product overview Silergy SO-8
0% SY8013 SY8013 product overviewSY8013 product overview Silergy SO-8EP
0% SY8142 SY8142 product overviewSY8142 product overview Silergy SO-8
0% SY8143 SY8143 product overviewSY8143 product overview Silergy SO-8EP
0% AAT1153 AAT1153 product overviewAAT1153 product overview Skyworks TDFN-10
0% AAT1160 AAT1160 product overviewAAT1160 product overview Skyworks TDFN-16
0% AAT2153 AAT2153 product overviewAAT2153 product overview Skyworks QFN-16
0% PM8903 PM8903 product overviewPM8903 product overview ST QFN-16
0% PM8903A PM8903A product overviewPM8903A product overview ST QFN-16
0% SiC413 SiC413 product overviewSiC413 product overview Vishay SO-8
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% TS3420 TS3420 product overviewTS3420 product overview Taiwan Semi SOT26-6
0% MIC23163 MIC23163 product overviewMIC23163 product overview Micrel DFN-10
0% MIC23164 MIC23164 product overviewMIC23164 product overview Micrel DFN-10
0% RT2652 RT2652 product overviewRT2652 product overview Richtek WDFN-10
0% MP2143H MP2143H product overviewMP2143H product overview MPS QFN-10
0% MP2147 MP2147 product overviewMP2147 product overview MPS QFN-12
0% MPQ2249 MPQ2249 product overviewMPQ2249 product overview MPS SOIC-8E
0% MP2161A MP2161A product overviewMP2161A product overview MPS TSOT23-8
0% TPS56428 TPS56428 product overviewTPS56428 product overview Texas Instruments HSOP-8, VQFN-14
10% MAX1536 MAX1536 product overviewMAX1536 product overview Maxim TQFN-28
10% MIC23153 MIC23153 product overviewMIC23153 product overview Micrel MLF-10
10% MIC23155 MIC23155 product overviewMIC23155 product overview Micrel MLF-10
10% MIC23303 MIC23303 product overviewMIC23303 product overview Micrel MFL-10
10% MIC4930 MIC4930 product overviewMIC4930 product overview Micrel DFN-10
10% MP2110 MP2110 product overviewMP2110 product overview MPS QFN-14
10% TPS62134B TPS62134B product overviewTPS62134B product overview Texas Instruments VQFN-16
10% TPS62134D TPS62134D product overviewTPS62134D product overview Texas Instruments VQFN-16
25% ACT8311 ACT8311 product overviewACT8311 product overview Active Semi TDFN-8
25% AOZ1615DI AOZ1615DI product overviewAOZ1615DI product overview Alpha Omega DFN
25% ADP2106 ADP2106 product overviewADP2106 product overview Analog Devices QFN-16
25% ADP2107 ADP2107 product overviewADP2107 product overview Analog Devices QFN-16
25% SP7650 SP7650 product overviewSP7650 product overview Exar DFN-26
25% SP7651 SP7651 product overviewSP7651 product overview Exar DFN-26
25% XRP6657 XRP6657 product overviewXRP6657 product overview Exar DFN-6
25% FAN5353 FAN5353 product overviewFAN5353 product overview Fairchild MLP-12
25% FAN5354 FAN5354 product overviewFAN5354 product overview Fairchild MLP-12
25% ISL78213 ISL78213 product overviewISL78213 product overview Intersil QFN-16
25% ISL80019 ISL80019 product overviewISL80019 product overview Intersil DFN-8
25% ISL80019A ISL80019A product overviewISL80019A product overview Intersil DFN-8
25% ISL8009A ISL8009A product overviewISL8009A product overview Intersil DFN-8
25% ISL8012 ISL8012 product overviewISL8012 product overview Intersil DFN-10
25% ISL8013A ISL8013A product overviewISL8013A product overview Intersil QFN-16
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% MAX16961 MAX16961 product overviewMAX16961 product overview Maxim TSSOP-EP-16, TQFN-16
25% MAX1951 MAX1951 product overviewMAX1951 product overview Maxim SOIC-8
25% MAX1951A MAX1951A product overviewMAX1951A product overview Maxim SOIC-8
25% MAX8505-1000 MAX8505-1000 product overviewMAX8505-1000 product overview Maxim QSOP-16
25% MAX8505-500 MAX8505-500 product overviewMAX8505-500 product overview Maxim QSOP-16
25% MAX8649 MAX8649 product overviewMAX8649 product overview Maxim WLP-16
25% MAX8952 MAX8952 product overviewMAX8952 product overview Maxim UCSP-16
25% LX7157 LX7157 product overviewLX7157 product overview Microsemi DFN-12
25% LX7157B LX7157B product overviewLX7157B product overview Microsemi DFN-12
25% LX7169 LX7169 product overviewLX7169 product overview Microsemi DFN-12
25% MP2119 MP2119 product overviewMP2119 product overview MPS QFN-10
25% MP2120 MP2120 product overviewMP2120 product overview MPS QFN-10
25% MP2205A MP2205A product overviewMP2205A product overview MPS QFN-14
25% MP2209 MP2209 product overviewMP2209 product overview MPS QFN-14
25% MP2212 MP2212 product overviewMP2212 product overview MPS SOIC-8E, QFN-10
25% MP28128 MP28128 product overviewMP28128 product overview MPS QFN-10
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% NCP1599 NCP1599 product overviewNCP1599 product overview ON Semiconductor DFN-6
25% RT8297A RT8297A product overviewRT8297A product overview Richtek DFN-8
25% RT8297B RT8297B product overviewRT8297B product overview Richtek DFN-8
25% RT8299 RT8299 product overviewRT8299 product overview Richtek SOP-8, DFN-10
25% BD8962 BD8962 product overviewBD8962 product overview Rohm QFN-20
25% BD9132MUV BD9132MUV product overviewBD9132MUV product overview Rohm QFN-20
25% BD9139 BD9139 product overviewBD9139 product overview Rohm QFN-16
25% SC183C SC183C product overviewSC183C product overview Semtech MLPQ-UT16
25% SC196 SC196 product overviewSC196 product overview Semtech MLPD-10
25% SY8065 SY8065 product overviewSY8065 product overview Silergy SOT23-6
25% AAT1112 AAT1112 product overviewAAT1112 product overview Skyworks TSOP-12, TDFN-12
25% AAT1145 AAT1145 product overviewAAT1145 product overview Skyworks TDFN-10
25% AAT1162 AAT1162 product overviewAAT1162 product overview Skyworks TDFN-16
25% AAT2158 AAT2158 product overviewAAT2158 product overview Skyworks QFN-16
25% AAT2786 AAT2786 product overviewAAT2786 product overview Skyworks TDFN-16
25% ST1S06A ST1S06A product overviewST1S06A product overview ST DFN-6
25% ST1S10 ST1S10 product overviewST1S10 product overview ST SO-8, DFN-8
25% ST1S30 ST1S30 product overviewST1S30 product overview ST DFN-8
25% ST1S31 ST1S31 product overviewST1S31 product overview ST SO-8, DFN-8
25% ST1S40 ST1S40 product overviewST1S40 product overview ST HSOP-8, DFN-8
25% LM20123 LM20123 product overviewLM20123 product overview Texas Instruments HTSSOP-16
25% LM20133 LM20133 product overviewLM20133 product overview Texas Instruments HTSSOP-16
25% TLV62090 TLV62090 product overviewTLV62090 product overview Texas Instruments QFN-16
25% TLV62565 TLV62565 product overviewTLV62565 product overview Texas Instruments SOT23-5
25% TLV62566 TLV62566 product overviewTLV62566 product overview Texas Instruments SOT23-5
25% TPS5432 TPS5432 product overviewTPS5432 product overview Texas Instruments SOIC-8
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% TPS62085 TPS62085 product overviewTPS62085 product overview Texas Instruments QFN-7
25% RP506x-C RP506x-C product overviewRP506x-C product overview Ricoh DFN-10
25% MIC23156 MIC23156 product overviewMIC23156 product overview Micrel MLF-17, WLCSP-16
25% BD9A300MUV BD9A300MUV product overviewBD9A300MUV product overview Rohm VQFN-16
25% MP9942 MP9942 product overviewMP9942 product overview MPS TSOT23-8
25% MP9943 MP9943 product overviewMP9943 product overview MPS TSOT23-8
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% ADP2120 ADP2120 product overviewADP2120 product overview Analog Devices QFN-10
50% AP3407 AP3407 product overviewAP3407 product overview BCDSemi SOT23-5
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% ISL97536 ISL97536 product overviewISL97536 product overview Intersil MSOP-10
50% LTC3564 LTC3564 product overviewLTC3564 product overview Linear Technology DFN-6, TSOT23
50% MAX1556 MAX1556 product overviewMAX1556 product overview Maxim TDFN-EP-10
50% MAX1974 MAX1974 product overviewMAX1974 product overview Maxim u00b5MAX-10
50% MAX77179 MAX77179 product overviewMAX77179 product overview Maxim WLP-12
50% MP1567 MP1567 product overviewMP1567 product overview MPS QFN-10, MSOP-10
50% MP2106 MP2106 product overviewMP2106 product overview MPS QFN-10, MSOP-10
50% MP2128 MP2128 product overviewMP2128 product overview MPS QFN-8, SOT23-5
50% MP2136 MP2136 product overviewMP2136 product overview MPS QFN-6
50% MP2158 MP2158 product overviewMP2158 product overview MPS QFN-8
50% MP2159 MP2159 product overviewMP2159 product overview MPS TSOT23-8
50% NCP6332 NCP6332 product overviewNCP6332 product overview ON Semiconductor WDFN-8
50% SY8031 SY8031 product overviewSY8031 product overview Silergy SOT23-5
50% SY8031L SY8031L product overviewSY8031L product overview Silergy SOT23-5
50% SY8065L SY8065L product overviewSY8065L product overview Silergy SOT23-6
50% TS3410 TS3410 product overviewTS3410 product overview Taiwan Semi SOT25
50% TPS62040 TPS62040 product overviewTPS62040 product overview Texas Instruments QFN-10, MSOP
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% TPS62510 TPS62510 product overviewTPS62510 product overview Texas Instruments QFN-10
50% XC9223 XC9223 product overviewXC9223 product overview Torex USP-10, MSOP-10
50% XC9224 XC9224 product overviewXC9224 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% LX7172 LX7172 product overviewLX7172 product overview Microsemi SOT23-5
50% LX7172A LX7172A product overviewLX7172A product overview Microsemi SOT23-5
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 AAT1138.

V-IN max. 5.5 V, I-OUT 2 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)
74402500072 0.7 3.0 4.0 23.50 2.8 x 2.8 x 3
744040240068 0.7 2.5 3.5 35.00 2.5 x 2 x 1.2
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
74404042010 1.0 3.2 4.8 27.00 4 x 4 x 1.8
74404200056 0.6 3.1 3.0 19.00 4.8 x 4.8 x 2
744042001 1.0 2.7 2.6 20.00 4.8 x 4.8 x 2
74404300082 0.8 3.5 3.7 14.00 4.8 x 4.8 x 3
744062001 1.0 4.8 4.6 10.00 6.8 x 6.8 x 2.5
74406800056 0.6 3.4 4.0 22.00 8 x 8 x 1.2
7440680010 1.0 2.8 3.3 32.00 8 x 8 x 1.2
7440690010 1.0 3.6 3.8 21.00 8 x 8 x 1.5
744383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
744383230082 0.8 2.6 4.3 53.00 2.5 x 2 x 1
74438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
74438324010 1.0 2.8 4.9 49.00 2.5 x 2 x 1.2
74438335010 1.0 2.7 4.5 39.00 3 x 3 x 1.5
74438336010 1.0 4.0 5.0 26.00 3 x 3 x 2
744383430056 0.6 2.1 5.0 56.00 2.5 x 1.6 x 0.6
744383430068 0.7 2.0 4.7 65.00 2.5 x 1.6 x 0.6
7447785001 1.0 3.5 4.5 31.00 5.9 x 6.2 x 3.3
74479276168 0.7 2.5 3.4 45.00 2 x 1.6 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
74479287210 1.0 2.4 4.0 55.00 2.5 x 2 x 1
74479288210 1.0 2.4 4.2 40.00 2.5 x 2 x 1.2
74479298210 1.0 2.5 4.0 45.00 3.2 x 2.5 x 1
74479899210 1.0 2.3 2.5 50.00 3.2 x 2.6 x 1.2
784383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
784383230082 0.8 2.6 4.3 53.00 2.5 x 2 x 1
78438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
78438335010 1.0 2.7 4.5 39.00 3 x 3 x 1.5
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