RT7233 Buck Converter overview
Description
RT7233 is a 18.00 V sync Buck Converter from with 4.00 A output current. The maximum 18.00 V input voltage can be regulated down into a 0.77 V to 8.00 V output voltage.
It requires are a typical inductor size of 1.40 µH, a typical external component count of 11 and achieves a peak efficiency of 95 %. Further RT7233 characteristics are a fixed 650 kHz switching frequency and 1 available package option(s): PSOP-8 .
Parameter overview and features with replacement search
For the RT7233 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. | 4.50 V | |
| V-IN max. | 18.00 V | |
| I-OUT? | 4.00 A | |
| V-OUT min. | 0.77 V | |
| V-OUT max. | 8.00 V | |
| V-OUT | adjustable V | |
| V-OUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 650 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. | 1300 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | -40 °C | |
| Junction max. | 125 °C | |
| thermal shutdown typ. | 150 °C | |
| Inductor size typ. | 1.40 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 95 % | |
| Component count min. | 11 | |
| current limit adjustable | |
|
| Nr.of packages | 1 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | ||
| SO/SOIC | ||
| SOP | PSOP-8 | |
| DIP | ||
| TO | ||
| DDPAK |
RT7233 Datasheet
Link to the most up-to-date RT7233 datasheet and the product page for EVM, tools and support information.
RT7233 Sample stock and distributor price breaks
RT7233 prices and online available distributors.
Available Distributors with stock: 0
Available Distributors with stock: 0
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to RT7233. Optional, compare RT7233 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 RT7233.
| 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 | |
| 744040630082 | 0.8 | 6.0 | 9.5 | 10.00 | 6 x 6 x 2.8 | |
| 74404063010 | 1.0 | 5.2 | 7.5 | 10.00 | 6 x 6 x 2.8 | |
| 74404063012 | 1.2 | 6.2 | 8.5 | 11.00 | 6 x 6 x 2.8 | |
| 744040640068 | 0.7 | 4.1 | 10.0 | 10.00 | 6 x 6 x 4.5 | |
| 744065001 | 1.0 | 8.0 | 9.5 | 4.90 | 10 x 10 x 3.1 | |
| 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 | |
| 744373240068 | 0.7 | 5.5 | 10.0 | 16.00 | 4.45 x 4.06 x 2 | |
| 74437324010 | 1.0 | 5.0 | 9.0 | 22.00 | 4.45 x 4.06 x 2 | |
| 74437324012 | 1.2 | 4.7 | 8.5 | 25.00 | 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 | |
| 744383560068 | 0.7 | 8.2 | 9.4 | 7.50 | 4.1 x 4.1 x 2.1 | |
| 74438356010 | 1.0 | 7.2 | 9.0 | 12.00 | 4.1 x 4.1 x 2.1 | |
| 74438356012 | 1.2 | 5.8 | 9.0 | 15.00 | 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 | |
| 744772010 | 1.0 | 7.5 | 10.0 | 4.70 | 7.8 x 7.8 x 10 | |
| 7447730 | 1.0 | 4.0 | 5.7 | 14.00 | 4 x 4.5 x 3.5 | |
| 7447779001 | 1.0 | 5.3 | 9.5 | 10.00 | 7.3 x 7.3 x 4.5 | |
| 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 | |
| 744787012 | 1.2 | 4.9 | 6.0 | 8.50 | 7.8 x 7 x 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 | |
| 784775012 | 1.2 | 6.2 | 8.0 | 5.00 | 7 x 7.8 x 5.5 |
