RP509Z-1-1.4 Buck Converter overview
Description
RP509Z-1-1.4 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 1.40 V to 1.40 V output voltage.
It requires are a typical inductor size of 0.47 µH, a typical external component count of 3 and achieves a peak efficiency of 97 %. Further RP509Z-1-1.4 characteristics are a fixed 6000 kHz switching frequency and 1 available package option(s): WLCSP-6 .
Parameter overview and features with replacement search
For the RP509Z-1-1.4 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. | 1.40 V | |
| V-OUT max. | 1.40 V | |
| V-OUT | 1.400 V | |
| V-OUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 6000 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. | -15 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | -40 °C | |
| Junction max. | 125 °C | |
| thermal shutdown typ. | 140 °C | |
| Inductor size typ. | 0.47 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 97 % | |
| Component count min. | 3 | |
| current limit adjustable | |
|
| Nr.of packages | 1 | |
| CSP | WLCSP-6 | |
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | ||
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
RP509Z-1-1.4 Datasheet
Link to the most up-to-date RP509Z-1-1.4 datasheet and the product page for EVM, tools and support information.
RP509Z-1-1.4 Sample stock and distributor price breaks
RP509Z-1-1.4 prices and online available distributors.
Available Distributors with stock: 2
Chip-One-Stop (3)
Mouser-Electronics (2)
| Product | Stock | Price | Buy | ||||||||||||||
| RP509Z | None | Buy Now | |||||||||||||||
| RP509Z282B-E2-F | 100 |
| Buy Now | ||||||||||||||
| RP509Z331B-E2-F | 100 |
| Buy Now | ||||||||||||||
| RP509Z001D-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z002D-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z202B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z072B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z252B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z222B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z201B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z001C-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z182B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z131B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z071B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z151A-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z102B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z181B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z111B-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z101B5-E2-F | None |
| Buy Now | ||||||||||||||
| RP509Z121B-E2-F | None |
| Buy Now |
Available Distributors with stock: 0
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to RP509Z-1-1.4. Optional, compare RP509Z-1-1.4 side-by-side with other Buck Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | RP505K-1.4 |  RP505K-1.4 product overview |
Ricoh | DFN-8 | |
| 0% | RP506x-D-E-1.4 | RP506x-D-E-1.4 product overview |
Ricoh | DFN-10 | |
| 0% | RP506x-A-B-1.4 | RP506x-A-B-1.4 product overview |
Ricoh | DFN-10 | |
| 0% | XC9261-C-1.4 | XC9261-C-1.4 product overview |
Torex | USP-6, SOT89-5 | |
| 0% | XC9261-D-1.4 | XC9261-D-1.4 product overview |
Torex | USP-6, SOT89-5 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP509Z-1-1.4.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 74402800047 | 0.5 | 2.5 | 2.0 | 36.00 | 2.8 x 2.8 x 1.2 | |
| 74402900047 | 0.5 | 2.8 | 2.2 | 29.00 | 2.8 x 2.8 x 1.5 | |
| 7440300047 | 0.5 | 1.5 | 1.8 | 48.00 | 3.3 x 3.5 x 1.05 | |
| 7440310047 | 0.5 | 3.0 | 2.0 | 16.00 | 3.8 x 3.8 x 1.8 | |
| 74479763147A | 0.5 | 1.5 | 1.5 | 90.00 | 1.6 x 0.8 x 0.95 | |
| 74479773147 | 0.5 | 1.4 | 1.2 | 100.00 | 2 x 1.25 x 0.6 | |
| 74479776147 | 0.5 | 1.6 | 1.9 | 80.00 | 2 x 1.6 x 1 | |
| 74479876147 | 0.5 | 2.1 | 2.0 | 40.00 | 2 x 1.6 x 1 | |
| 74479899150 | 0.5 | 3.8 | 1.8 | 18.00 | 3.2 x 2.6 x 1.2 | |
| 74479974156 | 0.6 | 1.7 | 2.4 | 80.00 | 2 x 1.2 x 0.5 | |
| 74479977147 | 0.5 | 2.2 | 2.4 | 55.00 | 2 x 1.6 x 0.9 | |
| 74479977156 | 0.6 | 2.1 | 2.3 | 65.00 | 2 x 1.6 x 0.9 |
