RP510L Buck Converter overview
Description
RP510L is a 5.50 V sync Buck Converter from with 4.00 A output current. The maximum 5.50 V input voltage can be regulated down into a 0.80 V to 3.30 V output voltage.
It requires are a typical inductor size of 1.00 µH, a typical external component count of 9 and achieves a peak efficiency of 95 %. Further RP510L characteristics are a fixed 2300 kHz switching frequency and 1 available package option(s): DFN-12 .
Parameter overview and features with replacement search
For the RP510L 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. | 2.50 V | |
V-IN max. | 5.50 V | |
I-OUT? | 4.00 A | |
V-OUT min. | 0.80 V | |
V-OUT max. | 3.30 V | |
V-OUT | adjustable V | |
V-OUT programmable | ![]() |
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sync/non-sync | sync | |
Frequency typ. | 2300 kHz | |
Frequency | fixed | |
Frequency selectable | ||
ext.clock sync. | ![]() |
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Frequency adj./ ext.clock min. | ||
Frequency adj./ ext.clock max | ||
Softstart | ![]() |
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Softstart adjustable | ![]() |
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Tracking | ![]() |
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PG/Power OK | ![]() |
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Quiescent current max. | 15.5 µA | |
Operating min. | -40 °C | |
Operating max. | 85 °C | |
Junction min. | -40 °C | |
Junction max. | 125 °C | |
thermal shutdown typ. | 165 °C | |
Inductor size typ. | 1.00 µH | |
Inductor suggested by Würth Elektronik | ||
Automotive AEC-Q100 | ![]() |
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Light-Load-Mode | ![]() |
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Topology | Buck | |
Peak Efficiency | 95 % | |
Component count min. | 9 | |
current limit adjustable | ![]() |
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Nr.of packages | 1 | |
CSP | ||
SC70 | ||
SOT | ||
MSOP | ||
QFN/DFN | DFN-12 | |
SO/SOIC | ||
SOP | ||
DIP | ||
TO | ||
DDPAK |
RP510L Datasheet
Link to the most up-to-date RP510L datasheet and the product page for EVM, tools and support information.
RP510L Sample stock and distributor price breaks
RP510L 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 RP510L. Optional, compare RP510L 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 RP510L.
Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
74406800024 | 0.2 | 4.1 | 5.8 | 15.00 | 8 x 8 x 1.2 | |
74406900022 | 0.2 | 5.5 | 7.5 | 9.00 | 8 x 8 x 1.5 | |
74407000018 | 0.2 | 9.0 | 9.0 | 3.51 | 8 x 8 x 2 | |
744089410022 | 0.2 | 4.5 | 9.5 | 15.00 | 4.8 x 4.8 x 2.1 |