TS3553 Buck Converter overview
Description
TS3553 is a 23.00 V sync Buck Converter from with 3.00 A output current. The maximum 23.00 V input voltage can be regulated down into a 0.93 V to 20.00 V output voltage.
It requires are a typical inductor size of 10.00 µH, a typical external component count of 10 and achieves a peak efficiency of 93 %. Further TS3553 characteristics are a fixed 350 kHz switching frequency and 1 available package option(s): SOP-8 .
Parameter overview and features with replacement search
For the TS3553 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. | 4.75 V | |
| V-IN max. | 23.00 V | |
| I-OUT? | 3.00 A | |
| V-OUT min. | 0.93 V | |
| V-OUT max. | 20.00 V | |
| V-OUT | adjustable V | |
| V-OUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 350 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. | 500 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | ||
| Junction max. | 150 °C | |
| thermal shutdown typ. | 160 °C | |
| Inductor size typ. | 10.00 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 93 % | |
| Component count min. | 10 | |
| current limit adjustable | |
|
| Nr.of packages | 1 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | ||
| SO/SOIC | ||
| SOP | SOP-8 | |
| DIP | ||
| TO | ||
| DDPAK |
TS3553 Datasheet
Link to the most up-to-date TS3553 datasheet and the product page for EVM, tools and support information.
TS3553 Sample stock and distributor price breaks
TS3553 prices and online available distributors.
Available Distributors with stock: 0
Available Distributors with stock: 0
Available Distributors without stock: 3
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to TS3553. Optional, compare TS3553 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 TS3553.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 74404052022 | 2.2 | 3.0 | 3.6 | 31.60 | 5 x 5 x 2 | |
| 74404054022 | 2.2 | 3.8 | 5.3 | 19.00 | 5 x 5 x 4 | |
| 74404054033 | 3.3 | 3.4 | 4.3 | 24.00 | 5 x 5 x 4 | |
| 74404063022 | 2.2 | 3.8 | 5.6 | 20.00 | 6 x 6 x 2.8 | |
| 74404063033 | 3.3 | 3.5 | 4.5 | 25.00 | 6 x 6 x 2.8 | |
| 74404064033 | 3.3 | 3.7 | 6.5 | 21.00 | 6 x 6 x 4.5 | |
| 74404084033 | 3.3 | 4.4 | 7.1 | 17.00 | 8 x 8 x 4.2 | |
| 7440650022 | 2.2 | 6.2 | 5.9 | 11.00 | 10 x 10 x 3.1 | |
| 7440650033 | 3.3 | 5.3 | 4.7 | 15.00 | 10 x 10 x 3.1 | |
| 7440660022 | 2.2 | 6.7 | 6.8 | 7.70 | 10 x 10 x 4.1 | |
| 7440660035 | 3.5 | 5.8 | 6.4 | 11.50 | 10 x 10 x 4.1 | |
| 744071022 | 2.2 | 5.4 | 6.3 | 10.00 | 8 x 8 x 4.6 | |
| 74408943022 | 2.2 | 3.0 | 4.6 | 26.00 | 4.8 x 4.8 x 4.1 | |
| 744316330 | 3.3 | 5.8 | 5.8 | 18.50 | 5.5 x 5.3 x 4.3 | |
| 74437324022 | 2.2 | 3.3 | 6.5 | 51.00 | 4.45 x 4.06 x 2 | |
| 74438356022 | 2.2 | 4.7 | 6.2 | 29.00 | 4.1 x 4.1 x 2.1 | |
| 74438356033 | 3.3 | 3.6 | 5.5 | 39.90 | 4.1 x 4.1 x 2.1 | |
| 7447462022 | 2.2 | 6.3 | 4.3 | 10.00 | 5.5 x 5.5 x 8.5 | |
| 7447462033 | 3.3 | 4.7 | 4.0 | 16.00 | 5.5 x 5.5 x 8.5 | |
| 7447713033 | 3.3 | 4.6 | 7.2 | 20.40 | 10 x 10 x 3 | |
| 7447715003 | 3.3 | 5.9 | 7.1 | 11.50 | 12 x 12 x 4.5 | |
| 744772033 | 3.3 | 5.0 | 6.3 | 9.50 | 7.8 x 7.8 x 10 | |
| 744777002 | 2.2 | 6.0 | 6.5 | 13.00 | 7.3 x 7.3 x 4.5 | |
| 744777003 | 3.3 | 3.5 | 4.6 | 25.00 | 7.3 x 7.3 x 4.5 | |
| 7447779002 | 2.2 | 4.2 | 6.0 | 16.00 | 7.3 x 7.3 x 4.5 | |
| 7447779003 | 3.3 | 3.3 | 4.5 | 26.00 | 7.3 x 7.3 x 4.5 | |
| 744778002 | 2.2 | 4.0 | 4.8 | 14.00 | 7.3 x 7.3 x 3.4 | |
| 744778003 | 3.3 | 3.1 | 4.1 | 24.00 | 7.3 x 7.3 x 3.4 | |
| 7447786002 | 2.2 | 3.5 | 4.0 | 40.00 | 5.9 x 6.2 x 5.1 | |
| 7447789002 | 2.2 | 4.0 | 4.8 | 19.00 | 7.3 x 7.3 x 3.5 | |
| 7447789003 | 3.3 | 3.4 | 4.2 | 24.00 | 7.3 x 7.3 x 3.5 | |
| 744787027 | 2.7 | 4.4 | 4.5 | 13.50 | 7.8 x 7 x 5 | |
| 784775022 | 2.2 | 6.0 | 6.0 | 8.00 | 7 x 7.8 x 5.5 | |
| 784775033 | 3.3 | 4.9 | 4.9 | 12.00 | 7 x 7.8 x 5.5 | |
| 784776033 | 3.3 | 6.0 | 7.0 | 9.00 | 9 x 10 x 5.9 | |
| 784778022 | 2.2 | 3.1 | 5.0 | 42.00 | 7.3 x 7.3 x 3.5 |
