SP6644 Boost Converter Overview
Description
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 .
Feature and parameter overview with replacement search
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.
SP6644 Datasheet
Link to the most up-to-date SP6644 datasheet and the product page for EVM, tools and support information.
SP6644 Price breaks and distributor sample stock
SP6644 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 SP6644. Optional, compare SP6644 side-by-side with other Boost Converter via the Comparison function.
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SP6644.
| 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 |
