AAT1218 Boost Converter Overview

Description

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Category
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AAT1218 is a 5.50 V, 2.50 A switch current limit sync Boost Converter from . The input voltage from 0.85 V to 5.50 V  can be boosted into an output voltage ranging from 2.50 V to 5.50 V.

Features of the Boost Converter are fixed 1200 kHz switching frequency, a typical inductor size of 2.2 µH and it offers a peak efficiency of  up to 95 %. The minimum external component count is 5 and AAT1218 is available in 1 package option(s): TDFN33-12 .

For AAT1218 replacement search, 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. 0.85 V
V-IN max. 5.50 V
Current-Limit typ.? 2.50 A
V-OUT min. 2.50 V
V-OUT max. 5.50 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 1200 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 700 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 2.2 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 95 %
Component count min. 5
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN TDFN33-12
SO/SOIC
SOP
DIP
TO
DDPAK

AAT1218 Datasheet

Link to the most up-to-date AAT1218 datasheet and the product page for EVM, tools and support information.

AAT1218

AAT1218 Price breaks and distributor sample stock

AAT1218 prices and available online distributors.

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Available Distributors with stock: 0

no online Distributor with AAT1218 stock available

Available Distributors with stock: 0

no online Distributor with AAT1218 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to AAT1218. Optional, compare AAT1218 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
10% LTC3539 LTC3539 product overviewLTC3539 product overview Linear Technology DFN-8
10% LTC3539-2 LTC3539-2 product overviewLTC3539-2 product overview Linear Technology DFN-8
25% MAX1703 MAX1703 product overviewMAX1703 product overview Maxim Integrated SOIC-16
25% MAX1763 MAX1763 product overviewMAX1763 product overview Maxim Integrated TSSOP-EP-16
25% MP3414 MP3414 product overviewMP3414 product overview MPS TSOT23-8
25% TPS61029 TPS61029 product overviewTPS61029 product overview Texas Instruments QFN-10
25% TPS61029-Q1 TPS61029-Q1 product overviewTPS61029-Q1 product overview Texas Instruments QFN-10
50% AS1326 AS1326 product overviewAS1326 product overview AMS TDFN-10
50% ISL9113 ISL9113 product overviewISL9113 product overview Intersil WLCSP-6, DFN-8
50% MAX849 MAX849 product overviewMAX849 product overview Maxim Integrated SO-16
50% NCP1421 NCP1421 product overviewNCP1421 product overview ON Semiconductor Micro8u2122-8
50% NCP1422 NCP1422 product overviewNCP1422 product overview ON Semiconductor DFN-10
50% RT9276 RT9276 product overviewRT9276 product overview Richtek WDFN-10
50% TPS61020 TPS61020 product overviewTPS61020 product overview Texas Instruments QFN-10
50% TPS61200 TPS61200 product overviewTPS61200 product overview Texas Instruments QFN-10
50% XC9128 XC9128 product overviewXC9128 product overview Torex MSOP-10, USP-10B
50% XC9129 XC9129 product overviewXC9129 product overview Torex MSOP-10, USP-10B
50% XC9131 XC9131 product overviewXC9131 product overview Torex USP-10B
50% XC9135 XC9135 product overviewXC9135 product overview Torex USP-10
50% XC9136 XC9136 product overviewXC9136 product overview Torex USP-10
50% ISL9113A ISL9113A product overviewISL9113A product overview Intersil DFN-8
50% RP402-K001A-B-C-D RP402-K001A-B-C-D product overviewRP402-K001A-B-C-D product overview Ricoh DFN-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AAT1218.

V-IN min. 0.85 V, Current-Limit typ. 2.5 A, V-OUT max. 5.5 V, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302007 0.1 30.0 60.0 0.24 6.95 x 6.8 x 4.7
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
744304010 0.1 26.0 52.0 0.17 11.5 x 11.8 x 4
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