AAT2138 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

AAT2138 is a 5.50 V sync Buck Converter from with 2.50 A output current. The maximum 5.50 V input voltage can be regulated down into a 3.00 V to 5.50 V output voltage.

It requires are a typical inductor size of 1.00 µH, a typical external component count of 9 and achieves a peak efficiency of 95 %. Further AAT2138 characteristics are a fixed 2800 kHz switching frequency and 1 available package option(s): TDFN-14 .

For the AAT2138 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? 2.50 A
V-OUT min. 3.00 V
V-OUT max. 5.50 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 2800 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. -90 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 150 °C
Inductor size typ. 1.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 9
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN TDFN-14
SO/SOIC
SOP
DIP
TO
DDPAK

AAT2138 Datasheet

Link to the most up-to-date AAT2138 datasheet and the product page for EVM, tools and support information.

AAT2138

AAT2138 Sample stock and distributor price breaks

AAT2138 prices and online available distributors.

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Available Distributors with stock: 0

no online Distributor with AAT2138 stock available

Available Distributors without stock: 1

Digi-Key (0)

ProductStockPriceBuy
AAT2138IWO-0.6-T10
45000.00 USD
Buy Now
AAT2138IWO-0.6-T10
10.00 USD
Buy Now
AAT2138IWO-0.6-T10
10.00 USD
Buy Now

Available Distributors with stock: 1

America II Electronics

ProductStockPriceBuy
AAT2138IWO-0.6-T1 149687 Buy Now

Available Distributors without stock: 2

Digi-Key

ProductStockPriceBuy
AAT2138IWO-0.6-T1 0 Buy Now
AAT2138IWO-0.6-T1 0 Buy Now
AAT2138IWO-0.6-T1 0 Buy Now

Mouser Electronics

ProductStockPriceBuy
AAT2138IWO-0.6-T1 0 Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AAT2138. Optional, compare AAT2138 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ACT2103 ACT2103 product overviewACT2103 product overview Active Semi SOP-8
0% ACT2113 ACT2113 product overviewACT2113 product overview Active Semi SOP-8
0% AOZ1021AI AOZ1021AI product overviewAOZ1021AI product overview Alpha Omega SOIC-8
0% AOZ1022DI-01 AOZ1022DI-01 product overviewAOZ1022DI-01 product overview Alpha Omega DFN-8
0% AOZ1022PI AOZ1022PI product overviewAOZ1022PI product overview Alpha Omega SO-8-EP
0% AOZ1024DI AOZ1024DI product overviewAOZ1024DI product overview Alpha Omega DFN-8
0% AOZ1031AI AOZ1031AI product overviewAOZ1031AI product overview Alpha Omega SOIC-8
0% AOZ1033AI AOZ1033AI product overviewAOZ1033AI product overview Alpha Omega SOIC-8
0% AOZ1034DI AOZ1034DI product overviewAOZ1034DI product overview Alpha Omega DFN-8
0% AOZ1034PI AOZ1034PI product overviewAOZ1034PI product overview Alpha Omega SO-8-EP
0% AOZ1036DI AOZ1036DI product overviewAOZ1036DI product overview Alpha Omega DFN-8
0% AOZ1036PI AOZ1036PI product overviewAOZ1036PI product overview Alpha Omega SO-8-EP
0% AOZ1037PI AOZ1037PI product overviewAOZ1037PI product overview Alpha Omega SO-8-EP
0% AOZ1051PI AOZ1051PI product overviewAOZ1051PI product overview Alpha Omega SO-8-EP
0% AOZ1052PI AOZ1052PI product overviewAOZ1052PI product overview Alpha Omega SO-8-EP
0% AOZ1053PI AOZ1053PI product overviewAOZ1053PI 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% AOZ3011PI AOZ3011PI product overviewAOZ3011PI product overview Alpha Omega SO-8-EP
0% AOZ3015AI AOZ3015AI product overviewAOZ3015AI product overview Alpha Omega SOIC-8
0% AOZ3015PI AOZ3015PI product overviewAOZ3015PI product overview Alpha Omega SO-8-EP
0% AOZ3017PI AOZ3017PI product overviewAOZ3017PI product overview Alpha Omega SO-8-EP
0% AOZ3018PI AOZ3018PI product overviewAOZ3018PI product overview Alpha Omega SO-8-EP
0% AS1328 AS1328 product overviewAS1328 product overview AMS QFN-16
0% AP3503E AP3503E product overviewAP3503E product overview BCDSemi PSOP-8
0% XRP7675 XRP7675 product overviewXRP7675 product overview Exar SOIC-8
0% FAN5354 FAN5354 product overviewFAN5354 product overview Fairchild MLP-12
0% FAN53540 FAN53540 product overviewFAN53540 product overview Fairchild CSP-20
0% ISL78213 ISL78213 product overviewISL78213 product overview Intersil QFN-16
0% ISL78214 ISL78214 product overviewISL78214 product overview Intersil QFN-16
0% ISL8013A ISL8013A product overviewISL8013A product overview Intersil QFN-16
0% ISL8014A ISL8014A product overviewISL8014A product overview Intersil QFN-16
0% MAX15050 MAX15050 product overviewMAX15050 product overview Maxim WLP-16
0% MAX15058 MAX15058 product overviewMAX15058 product overview Maxim WLP-9
0% MAX15066 MAX15066 product overviewMAX15066 product overview Maxim WLP-16
0% MAX15166 MAX15166 product overviewMAX15166 product overview Maxim WLP-16
0% MAX1536 MAX1536 product overviewMAX1536 product overview Maxim TQFN-28
0% MAX16961 MAX16961 product overviewMAX16961 product overview Maxim TSSOP-EP-16, TQFN-16
0% MAX16962 MAX16962 product overviewMAX16962 product overview Maxim TSSOP-EP-16, TQFN-16
0% MAX17515 MAX17515 product overviewMAX17515 product overview Maxim LGA-28
0% MAX1830 MAX1830 product overviewMAX1830 product overview Maxim QSOP-16
0% MAX1831 MAX1831 product overviewMAX1831 product overview Maxim QSOP-16
0% MAX1843 MAX1843 product overviewMAX1843 product overview Maxim TQFN-28
0% MAX77271 MAX77271 product overviewMAX77271 product overview Maxim WLP-9
0% MAX8989 MAX8989 product overviewMAX8989 product overview Maxim WLP-9
0% MIC23303 MIC23303 product overviewMIC23303 product overview Micrel MFL-10
0% LX7157 LX7157 product overviewLX7157 product overview Microsemi DFN-12
0% LX7157B LX7157B product overviewLX7157B product overview Microsemi DFN-12
0% LX7169 LX7169 product overviewLX7169 product overview Microsemi DFN-12
0% MP1471 MP1471 product overviewMP1471 product overview MPS TSOT23-6
0% MP1471A MP1471A product overviewMP1471A product overview MPS TSOT23-6
0% MP1475 MP1475 product overviewMP1475 product overview MPS TSOT23-8
0% MP1495 MP1495 product overviewMP1495 product overview MPS TSOT23-8
0% MP1495S MP1495S product overviewMP1495S product overview MPS TSOT23-8
0% MP1497 MP1497 product overviewMP1497 product overview MPS TSOT23-8
0% MP1499 MP1499 product overviewMP1499 product overview MPS QFN-10
0% MP2120 MP2120 product overviewMP2120 product overview MPS QFN-10
0% MP2130 MP2130 product overviewMP2130 product overview MPS
0% MP2143 MP2143 product overviewMP2143 product overview MPS TSOT23-8
0% MP2205A MP2205A product overviewMP2205A product overview MPS QFN-14
0% MP2207 MP2207 product overviewMP2207 product overview MPS SOIC-8E, QFN-10
0% MP2212 MP2212 product overviewMP2212 product overview MPS SOIC-8E, QFN-10
0% MP2214 MP2214 product overviewMP2214 product overview MPS SOIC-8E, QFN-10
0% MP2233 MP2233 product overviewMP2233 product overview MPS TSOT23-8
0% MP2235 MP2235 product overviewMP2235 product overview MPS TSOT23-8
0% MP28115 MP28115 product overviewMP28115 product overview MPS QFN-10
0% MP28128 MP28128 product overviewMP28128 product overview MPS QFN-10
0% MP28253 MP28253 product overviewMP28253 product overview MPS QFN-14
0% MP28255 MP28255 product overviewMP28255 product overview MPS QFN-14
0% MP28256 MP28256 product overviewMP28256 product overview MPS QFN-14
0% MP28265 MP28265 product overviewMP28265 product overview MPS QFN-14
0% MP28275 MP28275 product overviewMP28275 product overview MPS QFN-14
0% MP38115 MP38115 product overviewMP38115 product overview MPS QFN-10
0% MP38870 MP38870 product overviewMP38870 product overview MPS QFN-14
0% MP8709 MP8709 product overviewMP8709 product overview MPS SOIC-8E
0% MP8715 MP8715 product overviewMP8715 product overview MPS SOIC-8E
0% MP8716 MP8716 product overviewMP8716 product overview MPS SOIC-8E
0% MP8718 MP8718 product overviewMP8718 product overview MPS SOIC-8E
0% NCP1593 NCP1593 product overviewNCP1593 product overview ON Semiconductor DFN-10
0% NCP1599 NCP1599 product overviewNCP1599 product overview ON Semiconductor DFN-6
0% NCP3170A NCP3170A product overviewNCP3170A product overview ON Semiconductor SOIC-8
0% NCP3170B NCP3170B product overviewNCP3170B product overview ON Semiconductor SOIC-8
0% BD9132MUV BD9132MUV product overviewBD9132MUV product overview Rohm QFN-20
0% BD91361 BD91361 product overviewBD91361 product overview Rohm QFN-20
0% BD9137 BD9137 product overviewBD9137 product overview Rohm QFN-20
0% BD9139 BD9139 product overviewBD9139 product overview Rohm QFN-16
0% SC186 SC186 product overviewSC186 product overview Semtech MLPQ-UT16
0% AAT1160 AAT1160 product overviewAAT1160 product overview Skyworks TDFN-16
0% AAT2114A AAT2114A product overviewAAT2114A product overview Skyworks QFN-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% LM2655 LM2655 product overviewLM2655 product overview Texas Instruments TSSOP-16
0% TLV62090 TLV62090 product overviewTLV62090 product overview Texas Instruments QFN-16
0% TPS62085 TPS62085 product overviewTPS62085 product overview Texas Instruments QFN-7
0% TPS62095 TPS62095 product overviewTPS62095 product overview Texas Instruments VQFN-16
0% FAN53541 FAN53541 product overviewFAN53541 product overview Fairchild CSP-20
0% FAN5909 FAN5909 product overviewFAN5909 product overview Fairchild WLCSP-16
0% TS30013 TS30013 product overviewTS30013 product overview Triune Systems QFN-16
0% TS30023 TS30023 product overviewTS30023 product overview Triune Systems QFN-16
0% RT2853A RT2853A product overviewRT2853A product overview Richtek WQFN-16
0% RT7232 RT7232 product overviewRT7232 product overview Richtek TSSOP-14, WDFN-10
0% RT7234 RT7234 product overviewRT7234 product overview Richtek PSOP-8
0% RT7236 RT7236 product overviewRT7236 product overview Richtek TSSOP-14, WDFN-10
0% RT7240 RT7240 product overviewRT7240 product overview Richtek PSOP-8
0% BD9A300MUV BD9A300MUV product overviewBD9A300MUV product overview Rohm VQFN-16
0% BD9D321 BD9D321 product overviewBD9D321 product overview Rohm HTSOP-8
0% MP1475S MP1475S product overviewMP1475S product overview MPS TSOT23-8
0% MP1497S MP1497S product overviewMP1497S product overview MPS TSOT23-8
0% MP2143H MP2143H product overviewMP2143H product overview MPS QFN-10
0% MP2147 MP2147 product overviewMP2147 product overview MPS QFN-12
0% MP2235S MP2235S product overviewMP2235S product overview MPS TSOT23-8
0% MPQ2249 MPQ2249 product overviewMPQ2249 product overview MPS SOIC-8E
0% TPS56428 TPS56428 product overviewTPS56428 product overview Texas Instruments HSOP-8, VQFN-14
0% TPS56528 TPS56528 product overviewTPS56528 product overview Texas Instruments SO-8
10% LX7167 LX7167 product overviewLX7167 product overview Microsemi DFN-8
10% MP2110 MP2110 product overviewMP2110 product overview MPS QFN-14
25% ADP2107 ADP2107 product overviewADP2107 product overview Analog Devices QFN-16
25% ADP2119 ADP2119 product overviewADP2119 product overview Analog Devices QFN-10
25% ISL8002 ISL8002 product overviewISL8002 product overview Intersil DFN-8
25% ISL8002A ISL8002A product overviewISL8002A product overview Intersil DFN-8
25% ISL8012 ISL8012 product overviewISL8012 product overview Intersil DFN-10
25% IXD3243C IXD3243C product overviewIXD3243C product overview IXYS SOP-8, USP-10
25% IXD3243D IXD3243D product overviewIXD3243D product overview IXYS SOP-8, USP-10
25% MAX15053 MAX15053 product overviewMAX15053 product overview Maxim WLP-9
25% MAX1644 MAX1644 product overviewMAX1644 product overview Maxim SSOP-16
25% MP2119 MP2119 product overviewMP2119 product overview MPS QFN-10
25% MP2144 MP2144 product overviewMP2144 product overview MPS TSOT23-8
25% MP2161 MP2161 product overviewMP2161 product overview MPS TSOT23-8
25% MP2162 MP2162 product overviewMP2162 product overview MPS QFN-8
25% MP2209 MP2209 product overviewMP2209 product overview MPS QFN-14
25% NCP1597 NCP1597 product overviewNCP1597 product overview ON Semiconductor DFN-6
25% NCP1597B NCP1597B product overviewNCP1597B product overview ON Semiconductor QFN-10
25% NCP6334 NCP6334 product overviewNCP6334 product overview ON Semiconductor WDFN-8
25% NCV6334 NCV6334 product overviewNCV6334 product overview ON Semiconductor WDFN-8
25% AAT1153 AAT1153 product overviewAAT1153 product overview Skyworks TDFN-10
25% TPS62065 TPS62065 product overviewTPS62065 product overview Texas Instruments SON-8
25% TPS62067 TPS62067 product overviewTPS62067 product overview Texas Instruments SON-8
25% XC9224 XC9224 product overviewXC9224 product overview Torex USP-10, MSOP-10
25% RP506x-F RP506x-F product overviewRP506x-F product overview Ricoh DFN-10
25% RP506x-C RP506x-C product overviewRP506x-C product overview Ricoh DFN-10
25% MIC23163 MIC23163 product overviewMIC23163 product overview Micrel DFN-10
25% MIC23164 MIC23164 product overviewMIC23164 product overview Micrel DFN-10
25% MP2161A MP2161A product overviewMP2161A 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% AOZ1615DI AOZ1615DI product overviewAOZ1615DI product overview Alpha Omega DFN
50% ADP2120 ADP2120 product overviewADP2120 product overview Analog Devices QFN-10
50% XRP6657 XRP6657 product overviewXRP6657 product overview Exar DFN-6
50% LTC3564 LTC3564 product overviewLTC3564 product overview Linear Technology DFN-6, TSOT23
50% MAX1556 MAX1556 product overviewMAX1556 product overview Maxim TDFN-EP-10
50% NCP6332 NCP6332 product overviewNCP6332 product overview ON Semiconductor WDFN-8
50% SC196 SC196 product overviewSC196 product overview Semtech MLPD-10
50% AAT1145 AAT1145 product overviewAAT1145 product overview Skyworks TDFN-10
50% AAT2158 AAT2158 product overviewAAT2158 product overview Skyworks QFN-16
50% AAT2786 AAT2786 product overviewAAT2786 product overview Skyworks TDFN-16
50% TPS62040 TPS62040 product overviewTPS62040 product overview Texas Instruments QFN-10, MSOP
50% LX7172 LX7172 product overviewLX7172 product overview Microsemi SOT23-5
50% LX7172A LX7172A product overviewLX7172A product overview Microsemi SOT23-5

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AAT2138.

V-IN max. 5.5 V, I-OUT 2.5 A, V-OUT min. 3 V, Frequency typ. 2800 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402500047 0.5 3.3 4.7 19.00 2.8 x 2.8 x 3
744040240047 0.5 2.9 5.2 32.00 2.5 x 2 x 1.2
744040410047 0.5 3.3 4.3 28.00 4 x 4 x 1.2
74404200056 0.6 3.1 3.0 19.00 4.8 x 4.8 x 2
74404300047 0.5 3.8 5.0 10.00 4.8 x 4.8 x 3
74406800056 0.6 3.4 4.0 22.00 8 x 8 x 1.2
74406900052 0.5 4.3 5.8 15.00 8 x 8 x 1.5
744383230047 0.5 3.2 5.5 37.00 2.5 x 2 x 1
744383240056 0.6 3.3 6.0 37.00 2.5 x 2 x 1.2
744383350047 0.5 4.6 5.8 20.00 3 x 3 x 1.5
74479275147 0.5 2.6 3.3 38.00 2 x 1.25 x 1
74479276147 0.5 2.9 4.2 34.00 2 x 1.6 x 1
74479276147C 0.5 2.7 4.5 33.00 2 x 1.25 x 1
74479287147 0.5 3.3 5.0 25.00 2.5 x 2 x 1
74479288147 0.5 3.1 6.0 28.00 2.5 x 2 x 1.2
74479298147 0.5 3.0 4.5 28.00 3.2 x 2.5 x 1
74479976147A 0.5 3.0 3.4 20.00 2 x 1.6 x 0.5
784383230047 0.5 3.2 5.5 37.00 2.5 x 2 x 1
784383350047 0.5 4.6 5.8 20.00 3 x 3 x 1.5
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