RP505K-2.4 Buck Converter overview
Description
RP505K-2.4 is a 5.50 V sync Buck Converter from with 1.00 A output current. The maximum 5.50 V input voltage can be regulated down into a 2.40 V to 2.40 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 94 %. Further RP505K-2.4 characteristics are a fixed 2250 kHz switching frequency and 1 available package option(s): DFN-8 .
Parameter overview and features with replacement search
For the RP505K-2.4 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? | 1.00 A | |
| V-OUT min. | 2.40 V | |
| V-OUT max. | 2.40 V | |
| V-OUT | 2.400 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. | 60 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | ||
| Junction max. | ||
| thermal shutdown typ. | 140 °C | |
| Inductor size typ. | 2.20 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 94 % | |
| Component count min. | 3 | |
| current limit adjustable | |
|
| Nr.of packages | 1 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | DFN-8 | |
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
RP505K-2.4 Datasheet
Link to the most up-to-date RP505K-2.4 datasheet and the product page for EVM, tools and support information.
RP505K-2.4 Sample stock and distributor price breaks
RP505K-2.4 prices and online available distributors.
Available Distributors with stock: 2
Chip-One-Stop (10)
| Product | Stock | Price | Buy | ||||||||||||
| RP505K101A-TR | 100 |
| Buy Now | ||||||||||||
| RP505K101B-TR | 100 |
| Buy Now | ||||||||||||
| RP505K121A-TR | 4825 |
| Buy Now | ||||||||||||
| RP505K121B-TR | 33 |
| Buy Now | ||||||||||||
| RP505K151A-TR | 100 |
| Buy Now | ||||||||||||
| RP505K151B-TR | 100 |
| Buy Now | ||||||||||||
| RP505K181B-TR | 100 |
| Buy Now | ||||||||||||
| RP505K251A-TR | 100 |
| Buy Now | ||||||||||||
| RP505K301B-TR | 5030 |
| Buy Now | ||||||||||||
| RP505K331B-TR | 100 |
| Buy Now |
Mouser-Electronics (1)
| Product | Stock | Price | Buy | ||||||||||||||
| RP505K | None | Buy Now | |||||||||||||||
| RP505K121B-TR | 95 |
| Buy Now | ||||||||||||||
| RP505K001C-TR | None |
| Buy Now | ||||||||||||||
| RP505K101A-TR | None |
| Buy Now | ||||||||||||||
| RP505K121A-TR | None |
| Buy Now | ||||||||||||||
| RP505K151B-TR | None |
| Buy Now | ||||||||||||||
| RP505K331B-TR | None |
| Buy Now | ||||||||||||||
| RP505K331A-TR | None |
| Buy Now | ||||||||||||||
| RP505K251A-TR | None |
| Buy Now | ||||||||||||||
| RP505K181A-TR | None |
| Buy Now | ||||||||||||||
| RP505K181B-TR | None |
| Buy Now | ||||||||||||||
| RP505K151A-TR | None |
| Buy Now | ||||||||||||||
| RP505K081B-TR | None |
| Buy Now | ||||||||||||||
| RP505K091A-TR | None |
| Buy Now | ||||||||||||||
| RP505K101B-TR | None |
| Buy Now | ||||||||||||||
| RP505K251B-TR | None |
| Buy Now | ||||||||||||||
| RP505K191B-TR | None |
| Buy Now | ||||||||||||||
| RP505K111B-TR | None |
| Buy Now | ||||||||||||||
| RP505K301B-TR | None |
| Buy Now |
Available Distributors with stock: 0
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to RP505K-2.4. Optional, compare RP505K-2.4 side-by-side with other Buck Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | RP506x-D-E-2.4 |  RP506x-D-E-2.4 product overview |
Ricoh | DFN-10 | |
| 0% | RP506x-A-B-2.4 | RP506x-A-B-2.4 product overview |
Ricoh | DFN-10 | |
| 0% | XC9261-C-2.4 | XC9261-C-2.4 product overview |
Torex | USP-6, SOT89-5 | |
| 0% | XC9261-D-2.4 | XC9261-D-2.4 product overview |
Torex | USP-6, SOT89-5 | |
| 0% | RP509Z-1-2.4 | RP509Z-1-2.4 product overview |
Ricoh | WLCSP-6 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP505K-2.4.
| 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 | |
| 744031001 | 1.5 | 1.8 | 1.6 | 40.00 | 3.8 x 3.8 x 1.8 | |
| 74404024015 | 1.5 | 1.9 | 2.4 | 65.00 | 2.5 x 2 x 1.2 | |
| 74404032015 | 1.5 | 2.0 | 2.3 | 40.00 | 3 x 3 x 1.5 | |
| 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 | |
| 7440520018 | 1.8 | 2.6 | 3.0 | 30.00 | 5.8 x 5.8 x 2 | |
| 7440680017 | 1.7 | 2.5 | 2.4 | 41.00 | 8 x 8 x 1.2 | |
| 74438343015 | 1.5 | 1.3 | 3.0 | 150.00 | 2.5 x 1.6 x 0.6 | |
| 74479976215 | 1.5 | 1.6 | 1.9 | 100.00 | 2 x 1.6 x 0.5 |
