RP504x-2.8 Buck Converter overview
Description
RP504x-2.8 is a 5.50 V sync Buck Converter from with 0.60 A output current. The maximum 5.50 V input voltage can be regulated down into a 2.80 V to 2.80 V output voltage.
It requires are a typical inductor size of 2.20 µH, a typical external component count of 3 and achieves a peak efficiency of 93 %. Further RP504x-2.8 characteristics are a fixed 2250 kHz switching frequency and 3 available package option(s): SOT23-5 DFN-6 .
Parameter overview and features with replacement search
For the RP504x-2.8 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. | 2.30 V | |
| V-IN max. | 5.50 V | |
| I-OUT? | 0.60 A | |
| V-OUT min. | 2.80 V | |
| V-OUT max. | 2.80 V | |
| V-OUT | 2.800 V | |
| V-OUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 2250 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. | 40 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | ||
| Junction max. | ||
| thermal shutdown typ. | ||
| Inductor size typ. | 2.20 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 93 % | |
| Component count min. | 3 | |
| current limit adjustable | |
|
| Nr.of packages | 3 | |
| CSP | ||
| SC70 | ||
| SOT | SOT23-5 | |
| MSOP | ||
| QFN/DFN | DFN-6 | |
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
RP504x-2.8 Datasheet
Link to the most up-to-date RP504x-2.8 datasheet and the product page for EVM, tools and support information.
RP504x-2.8 Sample stock and distributor price breaks
RP504x-2.8 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 RP504x-2.8. Optional, compare RP504x-2.8 side-by-side with other Buck Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | ADP2138-2,8 |  ADP2138-2,8 product overview |
Analog Devices | WLCSP-6 | |
| 0% | ADP2139-2,8 | ADP2139-2,8 product overview |
Analog Devices | WLCSP-6 | |
| 0% | LM3671-2.8 | LM3671-2.8 product overview |
Texas Instruments | SOT23-5, DSBGA-5 | |
| 0% | RP508x-2.8 | RP508x-2.8 product overview |
Ricoh | DFN-6 | |
| 0% | RP505K-2.8 | RP505K-2.8 product overview |
Ricoh | DFN-8 | |
| 0% | RP509Z-1-2.8 | RP509Z-1-2.8 product overview |
Ricoh | WLCSP-6 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP504x-2.8.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 744028002 | 2.2 | 1.3 | 1.0 | 125.00 | 2.8 x 2.8 x 1.2 | |
| 744028003 | 3.3 | 1.0 | 0.9 | 185.00 | 2.8 x 2.8 x 1.2 | |
| 744029002 | 2.2 | 1.5 | 1.2 | 88.00 | 2.8 x 2.8 x 1.5 | |
| 744029003 | 3.3 | 1.3 | 1.0 | 110.00 | 2.8 x 2.8 x 1.5 | |
| 744030002 | 2.2 | 0.7 | 0.8 | 140.00 | 3.3 x 3.5 x 1.05 | |
| 744030003 | 3.3 | 0.7 | 0.7 | 198.00 | 3.3 x 3.5 x 1.05 | |
| 744031002 | 2.5 | 1.5 | 1.3 | 50.00 | 3.8 x 3.8 x 1.8 | |
| 74404024033 | 3.3 | 1.4 | 1.3 | 120.00 | 2.5 x 2 x 1.2 | |
| 74479887222A | 2.2 | 1.4 | 0.8 | 140.00 | 2.5 x 2 x 1 | |
| 74479888222 | 2.2 | 1.2 | 1.4 | 200.00 | 2.5 x 2 x 1 | |
| 74479888233 | 3.3 | 1.1 | 1.1 | 250.00 | 2.5 x 2 x 1 | |
| 74479889233 | 3.3 | 1.3 | 1.3 | 250.00 | 2.5 x 2 x 1.2 |
