SP6641B-3.3 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

SP6641B-3.3 is a 3.30 V, 1.00 A switch current limit non-sync Boost Converter from . The input voltage from 0.90 V to 4.50 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 10.0 µH and it offers a peak efficiency of  up to 87 %. The minimum external component count is 6 and SP6641B-3.3 is available in 1 package option(s): SOT23-5 .

For SP6641B-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. 4.50 V
Current-Limit typ.? 1.00 A
V-OUT min. 3.30 V
V-OUT max. 3.30 V
VOUT 3.30
VOUT programmable no
sync/non-sync non-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 no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 15 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 87 %
Component count min. 6
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT SOT23-5
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

SP6641B-3.3 Datasheet

Link to the most up-to-date SP6641B-3.3 datasheet and the product page for EVM, tools and support information.

SP6641B-3.3

SP6641B-3.3 Price breaks and distributor sample stock

SP6641B-3.3 prices and available online distributors.

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Available Distributors with stock: 0

no online Distributor with SP6641B stock available

Available Distributors with stock: 0

no online Distributor with SP6641B stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to SP6641B-3.3. Optional, compare SP6641B-3.3 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MIC2571-1-3.3 MIC2571-1-3.3 product overviewMIC2571-1-3.3 product overview Micrel MSOP-8
0% TPS61006 TPS61006 product overviewTPS61006 product overview Texas Instruments MSOP-10
0% RP401-x331A-B-C RP401-x331A-B-C product overviewRP401-x331A-B-C product overview Ricoh SOT23-5, DFN-6
0% RP401-x331D RP401-x331D product overviewRP401-x331D product overview Ricoh SOT23-5
0% A7530-3.3 A7530-3.3 product overviewA7530-3.3 product overview AiT SOT25-5
0% RP600K-A-B-C-33 RP600K-A-B-C-33 product overviewRP600K-A-B-C-33 product overview Ricoh DFN-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SP6641B-3.3.

V-IN min. 0.9 V, Current-Limit typ. 1 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)
74404054010 1.0 4.9 8.0 12.00 5 x 5 x 4
74404063010 1.0 5.2 7.5 10.00 6 x 6 x 2.8
744062001 1.0 4.8 4.6 10.00 6.8 x 6.8 x 2.5
74407000082 0.8 6.2 5.5 8.50 8 x 8 x 2
7440710082 0.8 7.3 8.0 7.00 8 x 8 x 4.6
74437324010 1.0 5.0 9.0 22.00 4.45 x 4.06 x 2
744383350068 0.7 4.1 8.1 25.00 3 x 3 x 1.5
744383360068 0.7 4.5 6.2 22.00 3 x 3 x 2
74438336010 1.0 4.0 5.0 26.00 3 x 3 x 2
74438356010 1.0 7.2 9.0 12.00 4.1 x 4.1 x 2.1
7447462010 1.0 8.5 8.0 6.00 5.5 x 5.5 x 8.5
7447730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
744778001 1.0 5.4 6.4 9.00 7.3 x 7.3 x 3.4
7447786001 1.0 5.0 5.5 28.00 5.9 x 6.2 x 5.1
7447789001 1.0 5.4 6.4 10.00 7.3 x 7.3 x 3.5
784383350068 0.7 4.1 8.1 25.00 3 x 3 x 1.5
7847730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
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