RP506x-A-B-1.6 Buck Converter overview
Description
RP506x-A-B-1.6 is a 5.50 V sync Buck Converter from with 2.00 A output current. The maximum 5.50 V input voltage can be regulated down into a 1.60 V to 1.60 V output voltage.
It requires are a typical inductor size of 2.20 µH, a typical external component count of 5 and achieves a peak efficiency of 93 %. Further RP506x-A-B-1.6 characteristics are a fixed 2250 kHz switching frequency and 1 available package option(s): DFN-10 .
Parameter overview and features with replacement search
For the RP506x-A-B-1.6 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? | 2.00 A | |
V-OUT min. | 1.60 V | |
V-OUT max. | 1.60 V | |
V-OUT | 1.600 V | |
V-OUT programmable | ![]() |
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sync/non-sync | sync | |
Frequency typ. | 2250 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. | 72 µA | |
Operating min. | -40 °C | |
Operating max. | 85 °C | |
Junction min. | ||
Junction max. | ||
thermal shutdown typ. | 150 °C | |
Inductor size typ. | 2.20 µH | |
Inductor suggested by Würth Elektronik | ||
Automotive AEC-Q100 | ![]() |
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Light-Load-Mode | ![]() |
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Topology | Buck | |
Peak Efficiency | 93 % | |
Component count min. | 5 | |
current limit adjustable | ![]() |
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Nr.of packages | 1 | |
CSP | ||
SC70 | ||
SOT | ||
MSOP | ||
QFN/DFN | DFN-10 | |
SO/SOIC | ||
SOP | ||
DIP | ||
TO | ||
DDPAK |
RP506x-A-B-1.6 Datasheet
Link to the most up-to-date RP506x-A-B-1.6 datasheet and the product page for EVM, tools and support information.
RP506x-A-B-1.6 Sample stock and distributor price breaks
RP506x-A-B-1.6 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 RP506x-A-B-1.6. Optional, compare RP506x-A-B-1.6 side-by-side with other Buck Converter via the Comparison function.
Variation | Compare | Product | Manufacturer | Package | |
0% | RP506x-D-E-1.6 | ![]() |
Ricoh | DFN-10 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP506x-A-B-1.6.
Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
74402500072 | 0.7 | 3.0 | 4.0 | 23.50 | 2.8 x 2.8 x 3 | |
744040240068 | 0.7 | 2.5 | 3.5 | 35.00 | 2.5 x 2 x 1.2 | |
74404200056 | 0.6 | 3.1 | 3.0 | 19.00 | 4.8 x 4.8 x 2 | |
74404300082 | 0.8 | 3.5 | 3.7 | 14.00 | 4.8 x 4.8 x 3 | |
74406800056 | 0.6 | 3.4 | 4.0 | 22.00 | 8 x 8 x 1.2 | |
74406900052 | 0.5 | 4.3 | 5.8 | 15.00 | 8 x 8 x 1.5 | |
74407000082 | 0.8 | 6.2 | 5.5 | 8.50 | 8 x 8 x 2 | |
744383230068 | 0.7 | 3.1 | 4.7 | 46.00 | 2.5 x 2 x 1 | |
744383230082 | 0.8 | 2.6 | 4.3 | 53.00 | 2.5 x 2 x 1 | |
744383240056 | 0.6 | 3.3 | 6.0 | 37.00 | 2.5 x 2 x 1.2 | |
744383240068 | 0.7 | 3.2 | 5.9 | 45.00 | 2.5 x 2 x 1.2 | |
744383430056 | 0.6 | 2.1 | 5.0 | 56.00 | 2.5 x 1.6 x 0.6 | |
744383430068 | 0.7 | 2.0 | 4.7 | 65.00 | 2.5 x 1.6 x 0.6 | |
74479276168 | 0.7 | 2.5 | 3.4 | 45.00 | 2 x 1.6 x 1 | |
784383230068 | 0.7 | 3.1 | 4.7 | 46.00 | 2.5 x 2 x 1 | |
784383230082 | 0.8 | 2.6 | 4.3 | 53.00 | 2.5 x 2 x 1 |