SP6644 Boost Converter Overview

Description

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SP6644 is a 5.50 V, 0.35 A switch current limit sync Boost Converter from . The input voltage from 0.90 V to 3.30 V  can be boosted into an output voltage ranging from 2.00 V to 5.50 V.

Features of the Boost Converter are fixed 500 kHz switching frequency, a typical inductor size of 22.0 µH and it offers a peak efficiency of  up to 92 %. The minimum external component count is 9 and SP6644 is available in 1 package option(s): MSOP-8 .

For SP6644 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. 3.30 V
Current-Limit typ.? 0.35 A
V-OUT min. 2.00 V
V-OUT max. 5.50 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 500 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO yes
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 80 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 22.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 92 %
Component count min. 9
current limit adjustable yes
Nr.of package options 1
CSP
SC70
SOT
MSOP MSOP-8
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

SP6644 Datasheet

Link to the most up-to-date SP6644 datasheet and the product page for EVM, tools and support information.

SP6644

SP6644 Price breaks and distributor sample stock

SP6644 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with SP6644 stock available

Available Distributors with stock: 0

no online Distributor with SP6644 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to SP6644. Optional, compare SP6644 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 SP6644.

V-IN min. 0.9 V, Current-Limit typ. 0.35 A, V-OUT max. 5.5 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025001 1.2 2.6 3.0 36.00 2.8 x 2.8 x 3
74404042015 1.5 3.0 4.3 31.00 4 x 4 x 1.8
7440420018 1.8 2.4 2.4 40.00 4.8 x 4.8 x 2
7440430012 1.2 3.1 2.8 15.00 4.8 x 4.8 x 3
7440430018 1.8 2.7 2.5 20.00 4.8 x 4.8 x 3
7440520012 1.2 3.0 3.5 20.00 5.8 x 5.8 x 2
7440520018 1.8 2.6 3.0 30.00 5.8 x 5.8 x 2
7440620015 1.5 4.3 4.0 10.00 6.8 x 6.8 x 2.5
7440680017 1.7 2.5 2.4 41.00 8 x 8 x 1.2
7440690016 1.6 3.1 3.3 29.00 8 x 8 x 1.5
7440700012 1.2 4.8 4.2 12.50 8 x 8 x 2
74437321015 1.5 3.0 4.0 55.00 4.45 x 4.06 x 1.2
74438324012 1.2 2.4 4.5 67.00 2.5 x 2 x 1.2
74438336012 1.2 3.9 4.8 30.00 3 x 3 x 2
74438336015 1.5 3.7 4.5 33.00 3 x 3 x 2
744773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
784773018 1.8 2.7 3.6 28.00 4 x 4.5 x 3.5
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