AAT1151 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

AAT1151 is a 5.50 V sync Buck Converter from with 0.70 A output current. The maximum 5.50 V input voltage can be regulated down into a 1.00 V to 4.20 V output voltage.

It requires are a typical inductor size of 3.00 µH, a typical external component count of 7 and achieves a peak efficiency of 95 %. Further AAT1151 characteristics are a fixed 850 kHz switching frequency and 2 available package option(s): MSOP-8 QFN-16 .

For the AAT1151 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? 0.70 A
V-OUT min. 1.00 V
V-OUT max. 4.20 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 850 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. 300 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. 3.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 95 %
Component count min. 7
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP MSOP-8
QFN/DFN QFN-16
SO/SOIC
SOP
DIP
TO
DDPAK

AAT1151 Datasheet

Link to the most up-to-date AAT1151 datasheet and the product page for EVM, tools and support information.

AAT1151

AAT1151 Sample stock and distributor price breaks

AAT1151 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with AAT1151 stock available

Available Distributors without stock: 1

Mouser-Electronics (0)

ProductStockPriceBuy
AAT1151IVN-1.0-T1None
30000.37 USD
Buy Now
AAT1151IVN-2.5-T1None
30000.39 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with AAT1151 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to AAT1151. Optional, compare AAT1151 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2105 ADP2105 product overviewADP2105 product overview Analog Devices QFN-16
0% ADP2120 ADP2120 product overviewADP2120 product overview Analog Devices QFN-10
0% ADP2147-0,9-1,1 ADP2147-0,9-1,1 product overviewADP2147-0,9-1,1 product overview Analog Devices WLCSP-6
0% ADP2147-0,9-1,3 ADP2147-0,9-1,3 product overviewADP2147-0,9-1,3 product overview Analog Devices WLCSP-6
0% ADP2147-0,981-1,275 ADP2147-0,981-1,275 product overviewADP2147-0,981-1,275 product overview Analog Devices WLCSP-6
0% ADP2147-1,0-1,2 ADP2147-1,0-1,2 product overviewADP2147-1,0-1,2 product overview Analog Devices WLCSP-6
0% FAN2001 FAN2001 product overviewFAN2001 product overview Fairchild MLP-6
0% FAN2002 FAN2002 product overviewFAN2002 product overview Fairchild MLP-6
0% FAN5355 FAN5355 product overviewFAN5355 product overview Fairchild MLP-10, CSP-12
0% FAN5365 FAN5365 product overviewFAN5365 product overview Fairchild CSP-9
0% ISL9106 ISL9106 product overviewISL9106 product overview Intersil DFN-10
0% LTC1879 LTC1879 product overviewLTC1879 product overview Linear Technology TSSOP-16
0% LTC3560 LTC3560 product overviewLTC3560 product overview Linear Technology TSOT23
0% LTC3564 LTC3564 product overviewLTC3564 product overview Linear Technology DFN-6, TSOT23
0% LTC3606B LTC3606B product overviewLTC3606B product overview Linear Technology DFN-8
0% MAX1556 MAX1556 product overviewMAX1556 product overview Maxim TDFN-EP-10
0% MAX1572 MAX1572 product overviewMAX1572 product overview Maxim TQFN-12
0% MAX17502 MAX17502 product overviewMAX17502 product overview Maxim TSSOP-EP-14, TDFN-10
0% MAX1927 MAX1927 product overviewMAX1927 product overview Maxim u00b5MAX-10
0% MAX1958 MAX1958 product overviewMAX1958 product overview Maxim TQFN-20
0% MAX1959 MAX1959 product overviewMAX1959 product overview Maxim TQFN-20
0% MAX77178 MAX77178 product overviewMAX77178 product overview Maxim WLP-12
0% MAX77179 MAX77179 product overviewMAX77179 product overview Maxim WLP-12
0% MCP1612 MCP1612 product overviewMCP1612 product overview Microchip DFN-8, MSOP-8
0% MP2158 MP2158 product overviewMP2158 product overview MPS QFN-8
0% MP2159 MP2159 product overviewMP2159 product overview MPS TSOT23-8
0% NCP1529 NCP1529 product overviewNCP1529 product overview ON Semiconductor UDFN-6, SOT-23-5
0% NCP6332 NCP6332 product overviewNCP6332 product overview ON Semiconductor WDFN-8
0% BD9107 BD9107 product overviewBD9107 product overview Rohm MSOP-8
0% BD9123MUV BD9123MUV product overviewBD9123MUV product overview Rohm QFN-16
0% SC194A SC194A product overviewSC194A product overview Semtech MLP-10
0% AAT1142 AAT1142 product overviewAAT1142 product overview Skyworks TSOPJW-12, TDFN-12
0% AAT1157 AAT1157 product overviewAAT1157 product overview Skyworks QFN-16
0% AAT2148 AAT2148 product overviewAAT2148 product overview Skyworks QFN-16
0% AAT2503 AAT2503 product overviewAAT2503 product overview Skyworks QFN-20
0% AAT2504 AAT2504 product overviewAAT2504 product overview Skyworks QFN-20
0% LMR22007 LMR22007 product overviewLMR22007 product overview Texas Instruments DSBGA-9
0% TPS62040 TPS62040 product overviewTPS62040 product overview Texas Instruments QFN-10, MSOP
0% TPS62160 TPS62160 product overviewTPS62160 product overview Texas Instruments SON-8
0% TPS62250 TPS62250 product overviewTPS62250 product overview Texas Instruments SON-6
0% TPS62290-Q1 TPS62290-Q1 product overviewTPS62290-Q1 product overview Texas Instruments SON-6, SOT-5
0% TPS62290 TPS62290 product overviewTPS62290 product overview Texas Instruments SON-6, SOT-5
0% XC9223 XC9223 product overviewXC9223 product overview Torex USP-10, MSOP-10
0% RP505K RP505K product overviewRP505K product overview Ricoh DFN-8
0% TS30111 TS30111 product overviewTS30111 product overview Triune Systems QFN-16
0% TS30011 TS30011 product overviewTS30011 product overview Triune Systems QFN-16
0% TS30021 TS30021 product overviewTS30021 product overview Triune Systems QFN-16
0% TPS62160-Q1 TPS62160-Q1 product overviewTPS62160-Q1 product overview Texas Instruments WSON-8
0% BD9A100MUV BD9A100MUV product overviewBD9A100MUV product overview Rohm VQFN-16
0% MP2148 MP2148 product overviewMP2148 product overview MPS QFN-6
0% MP2313 MP2313 product overviewMP2313 product overview MPS TSOT23-8
0% LX7172 LX7172 product overviewLX7172 product overview Microsemi SOT23-5
0% LX7172A LX7172A product overviewLX7172A product overview Microsemi SOT23-5
0% MP2159A MP2159A product overviewMP2159A product overview MPS TSOT23-8
0% TPS62590 TPS62590 product overviewTPS62590 product overview Texas Instruments SON-6
0% TPS62590-Q1 TPS62590-Q1 product overviewTPS62590-Q1 product overview Texas Instruments SON-6
0% AS1382A AS1382A product overviewAS1382A product overview AMS WLCSP-6
0% AS1382B AS1382B product overviewAS1382B product overview AMS WLCSP-6
0% AS1382C AS1382C product overviewAS1382C product overview AMS WLCSP-6
0% RP509Z-1 RP509Z-1 product overviewRP509Z-1 product overview Ricoh WLCSP-6
10% ACT8309 ACT8309 product overviewACT8309 product overview Active Semi TDFN-8
10% ACT8310 ACT8310 product overviewACT8310 product overview Active Semi TDFN-8
10% AS1339 AS1339 product overviewAS1339 product overview AMS CSP-16
10% ADP2102 ADP2102 product overviewADP2102 product overview Analog Devices QFN-8
10% ISL8010 ISL8010 product overviewISL8010 product overview Intersil MSOP-10
10% ISL9105 ISL9105 product overviewISL9105 product overview Intersil DFN-8
10% IXD3236-C IXD3236-C product overviewIXD3236-C product overview IXYS USP-6, SOT-25, WLP-5
10% IXD3236-D IXD3236-D product overviewIXD3236-D product overview IXYS USP-6, SOT-25, WLP-5
10% IXD3237-C IXD3237-C product overviewIXD3237-C product overview IXYS USP-6, SOT-25, WLP-5
10% IXD3237-D IXD3237-D product overviewIXD3237-D product overview IXYS USP-6, SOT-25, WLP-5
10% LTC1707 LTC1707 product overviewLTC1707 product overview Linear Technology SO-8
10% LTC1877 LTC1877 product overviewLTC1877 product overview Linear Technology MSOP-8
10% LTC1878 LTC1878 product overviewLTC1878 product overview Linear Technology MSOP-8
10% LTC3406A LTC3406A product overviewLTC3406A product overview Linear Technology TSOT23
10% LTC3447 LTC3447 product overviewLTC3447 product overview Linear Technology DFN-10
10% LTC3543 LTC3543 product overviewLTC3543 product overview Linear Technology DFN-6
10% MAX1557 MAX1557 product overviewMAX1557 product overview Maxim TDFN-EP-10
10% MAX1742 MAX1742 product overviewMAX1742 product overview Maxim QSOP-16
10% MAX1842 MAX1842 product overviewMAX1842 product overview Maxim QSOP-16
10% MAX8581 MAX8581 product overviewMAX8581 product overview Maxim TDFN-EP-10
10% MAX8582 MAX8582 product overviewMAX8582 product overview Maxim TDFN-EP-10
10% MAX8805-W,Y MAX8805-W,Y product overviewMAX8805-W,Y product overview Maxim WLP-16
10% MAX8805-X,Z MAX8805-X,Z product overviewMAX8805-X,Z product overview Maxim WLP-16
10% MIC23051-0.95-1.25 MIC23051-0.95-1.25 product overviewMIC23051-0.95-1.25 product overview Micrel MLF-8
10% MIC23051-1.0-1.2 MIC23051-1.0-1.2 product overviewMIC23051-1.0-1.2 product overview Micrel MLF-8
10% NCP1521B NCP1521B product overviewNCP1521B product overview ON Semiconductor UDFN-6, SOT-23-5
10% NCP1522B NCP1522B product overviewNCP1522B product overview ON Semiconductor UDFN-6, SOT-23-5
10% NCP1523 NCP1523 product overviewNCP1523 product overview ON Semiconductor CSP-8
10% AAT1171 AAT1171 product overviewAAT1171 product overview Skyworks TDFN-12, WLCSP-12
10% AAT2146 AAT2146 product overviewAAT2146 product overview Skyworks SC70-8
10% AAT2505 AAT2505 product overviewAAT2505 product overview Skyworks TDFN-12
10% AAT2506 AAT2506 product overviewAAT2506 product overview Skyworks TDFN-12
10% SKY87201 SKY87201 product overviewSKY87201 product overview Skyworks STDFN-8
10% LM3671 LM3671 product overviewLM3671 product overview Texas Instruments USON-6, SOT23-5, DSBGA-5
10% LM3676 LM3676 product overviewLM3676 product overview Texas Instruments WSON-8
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% TPS62260 TPS62260 product overviewTPS62260 product overview Texas Instruments SON-6, SOT-5
10% TPS62260-Q1 TPS62260-Q1 product overviewTPS62260-Q1 product overview Texas Instruments SON-6, SOT-5
10% RP507K RP507K product overviewRP507K product overview Ricoh DFN-6
10% TPS62560 TPS62560 product overviewTPS62560 product overview Texas Instruments SON-6
10% TPS62561 TPS62561 product overviewTPS62561 product overview Texas Instruments TSOT23-5
25% AOZ1605DI AOZ1605DI product overviewAOZ1605DI product overview Alpha Omega DFN
25% FAN8060 FAN8060 product overviewFAN8060 product overview Fairchild MLP-10
25% ISL9103A ISL9103A product overviewISL9103A product overview Intersil TDFN-6
25% ISL9104A ISL9104A product overviewISL9104A product overview Intersil TDFN-6
25% LTC1627 LTC1627 product overviewLTC1627 product overview Linear Technology SO-8
25% LTC3542 LTC3542 product overviewLTC3542 product overview Linear Technology DFN-6, SOT23
25% LTC3563 LTC3563 product overviewLTC3563 product overview Linear Technology DFN-6
25% LTC3630 LTC3630 product overviewLTC3630 product overview Linear Technology DFN-16, MSOP-16
25% MAX8560 MAX8560 product overviewMAX8560 product overview Maxim DFN-8, TSOT23-5
25% MAX8561 MAX8561 product overviewMAX8561 product overview Maxim TDFN-EP-8
25% MAX8562 MAX8562 product overviewMAX8562 product overview Maxim TDFN-EP-8
25% MAX8640Y MAX8640Y product overviewMAX8640Y product overview Maxim u00b5DFN-6
25% MAX8640Z MAX8640Z product overviewMAX8640Z product overview Maxim u00b5DFN-6
25% MAX8884 MAX8884 product overviewMAX8884 product overview Maxim CSP-16
25% MIC23051-1.15-1.40 MIC23051-1.15-1.40 product overviewMIC23051-1.15-1.40 product overview Micrel MLF-8
25% MIC23051-1.2-1.8 MIC23051-1.2-1.8 product overviewMIC23051-1.2-1.8 product overview Micrel MLF-8
25% MCP1601 MCP1601 product overviewMCP1601 product overview Microchip MSOP-8
25% MCP1602 MCP1602 product overviewMCP1602 product overview Microchip DFN-8, MSOP-8
25% DC6M502X6-1.2-1.5-A DC6M502X6-1.2-1.5-A product overviewDC6M502X6-1.2-1.5-A product overview NXP CSP-6
25% DC6M502X6-1.2-1.8-A DC6M502X6-1.2-1.8-A product overviewDC6M502X6-1.2-1.8-A product overview NXP CSP-6
25% DC6M602X6-1.2-1.5-A DC6M602X6-1.2-1.5-A product overviewDC6M602X6-1.2-1.5-A product overview NXP CSP-6
25% DC6M602X6-1.2-1.8-A DC6M602X6-1.2-1.8-A product overviewDC6M602X6-1.2-1.8-A product overview NXP CSP-6
25% BD9106 BD9106 product overviewBD9106 product overview Rohm MSOP-8
25% BD9120HFN BD9120HFN product overviewBD9120HFN product overview Rohm HSON-8
25% BD9161 BD9161 product overviewBD9161 product overview Rohm MSOP-8
25% BU9006 BU9006 product overviewBU9006 product overview Rohm CSP-9
25% SC195 SC195 product overviewSC195 product overview Semtech MLPQ-8
25% SC202A SC202A product overviewSC202A product overview Semtech MLPQ-13
25% AAT1120 AAT1120 product overviewAAT1120 product overview Skyworks STDFN-8
25% AAT2120 AAT2120 product overviewAAT2120 product overview Skyworks STDFN-8
25% LM3677 LM3677 product overviewLM3677 product overview Texas Instruments USON-6, DSBGA-5
25% TPS62170 TPS62170 product overviewTPS62170 product overview Texas Instruments SON-8
25% TPS62300 TPS62300 product overviewTPS62300 product overview Texas Instruments SON-10, DSBGA-8
25% TPS62320 TPS62320 product overviewTPS62320 product overview Texas Instruments SON-10, DSBGA-8
25% Si9177 Si9177 product overviewSi9177 product overview Vishay MLP33-10, MSOP-10
25% TPS62170-Q1 TPS62170-Q1 product overviewTPS62170-Q1 product overview Texas Instruments SON-8
25% RP509Z-2 RP509Z-2 product overviewRP509Z-2 product overview Ricoh WLCSP-6
50% MAX1920 MAX1920 product overviewMAX1920 product overview Maxim TDFN-EP-6, SOT23-6
50% MAX1921 MAX1921 product overviewMAX1921 product overview Maxim SOT23-6
50% DC6M502X6-1.5-1.8-A DC6M502X6-1.5-1.8-A product overviewDC6M502X6-1.5-1.8-A product overview NXP CSP-6
50% DC6M602X6-1.5-1.8-A DC6M602X6-1.5-1.8-A product overviewDC6M602X6-1.5-1.8-A product overview NXP CSP-6
50% LM3670 LM3670 product overviewLM3670 product overview Texas Instruments SOT23-5
50% TPS62220 TPS62220 product overviewTPS62220 product overview Texas Instruments TSOT23-5

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AAT1151.

V-IN max. 5.5 V, I-OUT 0.7 A, V-OUT min. 1 V, Frequency typ. 850 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025004 4.7 1.4 1.7 100.00 2.8 x 2.8 x 3
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
744031003 3.6 1.4 1.1 66.00 3.8 x 3.8 x 1.8
744031004 4.7 1.2 0.9 90.00 3.8 x 3.8 x 1.8
74404024033 3.3 1.4 1.3 120.00 2.5 x 2 x 1.2
74404024047 4.7 1.1 1.2 175.00 2.5 x 2 x 1.2
74404032033 3.3 1.5 1.5 70.00 3 x 3 x 1.5
74404032047 4.7 1.3 1.2 96.00 3 x 3 x 1.5
7440420039 3.9 1.8 1.7 60.00 4.8 x 4.8 x 2
744042004 4.7 1.7 1.7 70.00 4.8 x 4.8 x 2
7440430039 3.9 1.7 1.7 50.00 4.8 x 4.8 x 3
744043004 4.7 1.6 1.7 50.00 4.8 x 4.8 x 3
7440680047 4.7 1.9 1.6 72.00 8 x 8 x 1.2
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
74479889247 4.7 0.9 0.9 400.00 2.5 x 2 x 1.2
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