RP505K-0.7 Buck Converter overview
Description
RP505K-0.7 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 0.70 V to 0.70 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-0.7 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-0.7 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. | 0.70 V | |
| V-OUT max. | 0.70 V | |
| V-OUT | 0.700 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-0.7 Datasheet
Link to the most up-to-date RP505K-0.7 datasheet and the product page for EVM, tools and support information.
RP505K-0.7 Sample stock and distributor price breaks
RP505K-0.7 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-0.7. Optional, compare RP505K-0.7 side-by-side with other Buck Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | RP506x-D-E-0.7 |  RP506x-D-E-0.7 product overview |
Ricoh | DFN-10 | |
| 0% | RP509Z-1-0.7 | RP509Z-1-0.7 product overview |
Ricoh | WLCSP-6 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP505K-0.7.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 74402800082 | 0.8 | 2.0 | 1.6 | 53.00 | 2.8 x 2.8 x 1.2 | |
| 744028001 | 1.0 | 1.8 | 1.5 | 65.00 | 2.8 x 2.8 x 1.2 | |
| 74402900082 | 0.8 | 2.4 | 1.8 | 36.00 | 2.8 x 2.8 x 1.5 | |
| 744029001 | 1.0 | 2.2 | 1.6 | 45.00 | 2.8 x 2.8 x 1.5 | |
| 7440300068 | 0.7 | 1.3 | 1.5 | 0.06 | 3.3 x 3.5 x 1.05 | |
| 744031010 | 1.0 | 2.0 | 1.6 | 26.00 | 3.8 x 3.8 x 1.8 | |
| 74404024010 | 1.0 | 2.2 | 2.6 | 37.00 | 2.5 x 2 x 1.2 | |
| 74404032010 | 1.0 | 2.2 | 3.0 | 33.00 | 3 x 3 x 1.5 | |
| 744042001 | 1.0 | 2.7 | 2.6 | 20.00 | 4.8 x 4.8 x 2 | |
| 74438321010 | 1.0 | 1.3 | 2.5 | 163.00 | 2.5 x 2 x 0.6 | |
| 74479262210 | 1.0 | 1.2 | 1.7 | 170.00 | 1.6 x 0.8 x 0.8 | |
| 74479275210 | 1.0 | 1.8 | 2.1 | 69.00 | 2 x 1.25 x 1 | |
| 74479276210 | 1.0 | 2.0 | 2.5 | 65.00 | 2 x 1.6 x 1 | |
| 74479876168 | 0.7 | 1.8 | 1.7 | 60.00 | 2 x 1.6 x 1 | |
| 74479876210 | 1.0 | 1.5 | 1.5 | 70.00 | 2 x 1.6 x 1 | |
| 74479889210 | 1.0 | 2.0 | 2.0 | 85.00 | 2.5 x 2 x 1.2 | |
| 74479899210 | 1.0 | 2.3 | 2.5 | 50.00 | 3.2 x 2.6 x 1.2 | |
| 74479976210 | 1.0 | 1.8 | 2.4 | 75.00 | 2 x 1.6 x 0.5 | |
| 74479977182 | 0.8 | 2.0 | 2.0 | 90.00 | 2 x 1.6 x 0.9 | |
| 78438321010 | 1.0 | 1.3 | 2.5 | 163.00 | 2.5 x 2 x 0.6 |
