SP6644-3.3 Boost Converter Overview

Description

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SP6644-3.3 is a 3.30 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 3.30 V to 3.30 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 5 and SP6644-3.3 is available in 1 package option(s): MSOP-8 .

For SP6644-3.3 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. 3.30 V
V-OUT max. 3.30 V
VOUT 3.30
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. 5
current limit adjustable yes
Nr.of package options 1
CSP
SC70
SOT
MSOP MSOP-8
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

SP6644-3.3 Datasheet

Link to the most up-to-date SP6644-3.3 datasheet and the product page for EVM, tools and support information.

SP6644-3.3

SP6644-3.3 Price breaks and distributor sample stock

SP6644-3.3 prices and available online distributors.

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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 SP6644-3.3. Optional, compare SP6644-3.3 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 SP6644-3.3.

V-IN min. 0.9 V, Current-Limit typ. 0.35 A, V-OUT max. 3.3 V, Frequency typ. 500 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025002 2.2 1.8 2.4 57.00 2.8 x 2.8 x 3
74404024022 2.2 1.8 2.0 80.00 2.5 x 2 x 1.2
74404032022 2.2 1.8 1.7 50.00 3 x 3 x 1.5
74404042022 2.2 2.2 3.4 42.00 4 x 4 x 1.8
7440420018 1.8 2.4 2.4 40.00 4.8 x 4.8 x 2
7440420027 2.7 2.0 2.2 47.00 4.8 x 4.8 x 2
7440430018 1.8 2.7 2.5 20.00 4.8 x 4.8 x 3
7440430022 2.2 2.5 2.4 27.00 4.8 x 4.8 x 3
7440430027 2.7 2.4 2.0 25.00 4.8 x 4.8 x 3
744045002 2.2 1.6 2.8 88.00 4.5 x 3.2 x 2.9
7440450027 2.7 1.5 2.7 96.00 4.5 x 3.2 x 2.9
7440520018 1.8 2.6 3.0 30.00 5.8 x 5.8 x 2
744052002 2.5 2.4 2.7 20.00 5.8 x 5.8 x 2
744052003 3.0 2.2 2.4 40.00 5.8 x 5.8 x 2
744053002 2.6 3.0 2.7 20.00 5.8 x 5.8 x 3
744053003 3.0 2.8 2.5 20.00 5.8 x 5.8 x 3
744062002 2.2 3.4 2.7 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
7440680027 2.7 2.2 1.9 52.00 8 x 8 x 1.2
7440690022 2.2 2.8 2.9 35.00 8 x 8 x 1.5
7440700022 2.2 4.6 3.2 17.00 8 x 8 x 2
74408941029 2.9 1.6 3.0 101.00 4.8 x 4.8 x 2.1
74438324022 2.2 1.6 2.9 123.00 2.5 x 2 x 1.2
744773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
744773027 2.7 2.3 3.0 39.00 4 x 4.5 x 3.5
7447785002 2.2 2.9 3.3 43.00 5.9 x 6.2 x 3.3
74479276222 2.2 1.4 1.8 135.00 2 x 1.6 x 1
74479276222C 2.2 1.6 2.5 112.00 2 x 1.25 x 1
74479287222 2.2 1.5 2.5 132.00 2.5 x 2 x 1
74479288222 2.2 1.7 2.8 90.00 2.5 x 2 x 1.2
784773022 2.2 2.5 3.4 34.00 4 x 4.5 x 3.5
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