SP6656 Buck Converter overview
Description
SP6656 is a 5.50 V sync Buck Converter from with 0.40 A output current. The maximum 5.50 V input voltage can be regulated down into a 1.00 V to 5.00 V output voltage.
It requires are a typical inductor size of 10.00 µH, a typical external component count of 9 and achieves a peak efficiency of 98 %. Further SP6656 characteristics are a fixed 500 kHz switching frequency and 1 available package option(s): DFN-10 .
Parameter overview and features with replacement search
For the SP6656 replacement search, please 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.
| Parameter | Value | Replacement Search Filter |
| V-IN min. | 2.70 V | |
| V-IN max. | 5.50 V | |
| I-OUT? | 0.40 A | |
| V-OUT min. | 1.00 V | |
| V-OUT max. | 5.00 V | |
| V-OUT | adjustable V | |
| V-OUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 500 kHz | |
| Frequency | fixed | |
| Frequency selectable | ||
| ext.clock sync. |  |
|
| Frequency adj./ ext.clock min. | ||
| Frequency adj./ ext.clock max | ||
| Softstart | |
|
| Softstart adjustable | |
|
| Tracking | |
|
| PG/Power OK | |
|
| Quiescent current max. | 30 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | ||
| Junction max. | 140 °C | |
| thermal shutdown typ. | 140 °C | |
| Inductor size typ. | 10.00 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 98 % | |
| Component count min. | 9 | |
| current limit adjustable | |
|
| Nr.of packages | 1 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | DFN-10 | |
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
SP6656 Datasheet
Link to the most up-to-date SP6656 datasheet and the product page for EVM, tools and support information.
SP6656 Sample stock and distributor price breaks
SP6656 prices and online available distributors.
Available Distributors with stock: 1
Future Electronics (1)
| Product | Stock | Price | Buy | ||
| SP6656EB | 2 |
| Buy Now |
Available Distributors without stock: 1
Digi-Key (0)
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to SP6656. Optional, compare SP6656 side-by-side with other Buck Converter via the Comparison function.
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of SP6656.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 744025150 | 15.0 | 0.7 | 0.9 | 356.00 | 2.8 x 2.8 x 3 | |
| 744029100 | 10.0 | 0.7 | 0.5 | 390.00 | 2.8 x 2.8 x 1.5 | |
| 744031100 | 10.0 | 0.7 | 0.6 | 185.00 | 3.8 x 3.8 x 1.8 | |
| 74404024100 | 10.0 | 0.5 | 0.9 | 435.00 | 2.5 x 2 x 1.2 | |
| 74404024150 | 15.0 | 0.5 | 0.8 | 830.00 | 2.5 x 2 x 1.2 | |
| 74404032100 | 10.0 | 0.8 | 0.9 | 230.00 | 3 x 3 x 1.5 | |
| 74404032150 | 15.0 | 0.7 | 0.8 | 300.00 | 3 x 3 x 1.5 | |
| 74404041100 | 10.0 | 1.3 | 1.0 | 168.00 | 4 x 4 x 1.2 | |
| 744042100 | 10.0 | 1.3 | 1.0 | 120.00 | 4.8 x 4.8 x 2 | |
| 744042120 | 12.0 | 1.2 | 1.0 | 150.00 | 4.8 x 4.8 x 2 | |
| 744042150 | 15.0 | 1.0 | 0.8 | 190.00 | 4.8 x 4.8 x 2 | |
| 744043100 | 10.0 | 1.2 | 1.0 | 95.00 | 4.8 x 4.8 x 3 | |
| 744043120 | 12.0 | 1.1 | 1.0 | 100.00 | 4.8 x 4.8 x 3 | |
| 744043150 | 15.0 | 1.0 | 0.8 | 120.00 | 4.8 x 4.8 x 3 | |
| 7440680100 | 10.0 | 1.2 | 1.0 | 177.00 | 8 x 8 x 1.2 | |
| 7440680120 | 12.0 | 1.2 | 1.0 | 195.00 | 8 x 8 x 1.2 | |
| 7440680150 | 15.0 | 1.1 | 0.8 | 213.00 | 8 x 8 x 1.2 | |
| 74479889310 | 10.0 | 0.8 | 0.5 | 500.00 | 2.5 x 2 x 1.2 |
