AS1344 Boost Converter Overview

Description

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Category
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AS1344 is a 42.00 V, 1.45 A switch current limit non-sync Boost Converter from . The input voltage from 0.90 V to 3.60 V  can be boosted into an output voltage ranging from 5.50 V to 42.00 V.

Features of the Boost Converter are fixed 1000 kHz switching frequency, a typical inductor size of 6.8 µH and it offers a peak efficiency of  up to 85 %. The minimum external component count is 8 and AS1344 is available in 1 package option(s): TDFN-10 .

For AS1344 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. 0.90 V
V-IN max. 3.60 V
Current-Limit typ.? 1.45 A
V-OUT min. 5.50 V
V-OUT max. 42.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 1000 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK yes
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 30 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 140 °C
Inductor size typ. 6.8 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 85 %
Component count min. 8
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN TDFN-10
SO/SOIC
SOP
DIP
TO
DDPAK

AS1344 Datasheet

Link to the most up-to-date AS1344 datasheet and the product page for EVM, tools and support information.

AS1344

AS1344 Price breaks and distributor sample stock

AS1344 prices and available online distributors.

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no online Distributor with AS1344 stock available

Available Distributors with stock: 0

no online Distributor with AS1344 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to AS1344. Optional, compare AS1344 side-by-side with other Boost Converter via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of AS1344.

V-IN min. 0.9 V, Current-Limit typ. 1.45 A, V-OUT max. 42 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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