SP6641A-3.3 Boost Converter Overview
Description
SP6641A-3.3 is a 3.30 V, 0.33 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 22.0 µH and it offers a peak efficiency of up to 87 %. The minimum external component count is 6 and SP6641A-3.3 is available in 1 package option(s): SOT23-5 .
Feature and parameter overview with replacement search
For SP6641A-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.
SP6641A-3.3 Datasheet
Link to the most up-to-date SP6641A-3.3 datasheet and the product page for EVM, tools and support information.
SP6641A-3.3 Price breaks and distributor sample stock
SP6641A-3.3 prices and available online distributors.


Available Distributors with stock: 0
Available Distributors with stock: 0
Alternatives and equivalents
The following DC/DC Boost Converter are similar to SP6641A-3.3. Optional, compare SP6641A-3.3 side-by-side with other Boost Converter via the Comparison function.
Variation | Compare | Product | Manufacturer | Package | |
0% | TC115-3.3 | ![]() |
Microchip | SOT89-5 | |
0% | NCP1400A-3.3 | ![]() |
ON Semiconductor | SOT23-5 | |
0% | NCP1402-3.3 | ![]() |
ON Semiconductor | SOT23-5 | |
0% | XC6371-3.3 | ![]() |
Torex | SOT89-5, USP-6B | |
0% | XC6372-3.3 | ![]() |
Torex | SOT89-5, USP-6B | |
0% | XC9110-3.3 | ![]() |
Torex | SOT23-3, USP-6C | |
0% | XC9111-3.3 | ![]() |
Torex | SOT23-3, USP-6C | |
0% | IXD2110-A-C-E-33 | ![]() |
IXYS | SOT25-5, TDFN-6 | |
0% | IXD2111-A-C-E-33 | ![]() |
IXYS | SOT23-3 | |
0% | S-8354-3.3-250 | ![]() |
Seiko Instruments | SOT23-5 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SP6641A-3.3.
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 | |
744025003 | 3.3 | 1.5 | 1.8 | 85.00 | 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 | |
74404032033 | 3.3 | 1.5 | 1.5 | 70.00 | 3 x 3 x 1.5 | |
74404041033 | 3.3 | 1.8 | 2.1 | 69.00 | 4 x 4 x 1.2 | |
74404042033 | 3.3 | 2.0 | 2.9 | 55.00 | 4 x 4 x 1.8 | |
74404052033 | 3.3 | 2.6 | 3.0 | 42.20 | 5 x 5 x 2 | |
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 | |
744042003 | 3.3 | 2.0 | 1.8 | 50.00 | 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 | |
744043003 | 3.3 | 2.2 | 1.8 | 30.00 | 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 | |
744045003 | 3.3 | 1.4 | 2.7 | 104.00 | 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 | |
744062003 | 3.3 | 2.8 | 2.5 | 20.00 | 6.8 x 6.8 x 2.5 | |
7440680027 | 2.7 | 2.2 | 1.9 | 52.00 | 8 x 8 x 1.2 | |
7440680033 | 3.3 | 2.0 | 1.8 | 61.00 | 8 x 8 x 1.2 | |
7440690022 | 2.2 | 2.8 | 2.9 | 35.00 | 8 x 8 x 1.5 | |
7440690033 | 3.3 | 2.6 | 2.3 | 42.00 | 8 x 8 x 1.5 | |
7440700033 | 3.3 | 3.2 | 2.6 | 30.00 | 8 x 8 x 2 | |
74408941029 | 2.9 | 1.6 | 3.0 | 101.00 | 4.8 x 4.8 x 2.1 | |
74438322022 | 2.2 | 1.3 | 2.2 | 252.00 | 2.5 x 2 x 0.8 | |
74438324022 | 2.2 | 1.6 | 2.9 | 123.00 | 2.5 x 2 x 1.2 | |
744773027 | 2.7 | 2.3 | 3.0 | 39.00 | 4 x 4.5 x 3.5 | |
744773033 | 3.3 | 2.0 | 2.9 | 41.00 | 4 x 4.5 x 3.5 | |
7447785003 | 3.3 | 2.8 | 3.0 | 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 | |
78438322022 | 2.2 | 1.3 | 2.2 | 252.00 | 2.5 x 2 x 0.8 | |
784773033 | 3.3 | 2.0 | 2.9 | 41.00 | 4 x 4.5 x 3.5 |