RP508x-1.1 Buck Converter overview



RP508x-1.1 is a 5.50 V sync Buck Converter from with 0.60 A output current. The maximum 5.50 V input voltage can be regulated down into a 1.10 V to 1.10 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 92 %. Further RP508x-1.1 characteristics are a fixed 6000 kHz switching frequency and 1 available package option(s): DFN-6 .

For the RP508x-1.1 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.

Search Filter
V-IN min. 2.30 V
V-IN max. 5.50 V
I-OUT? 0.60 A
V-OUT min. 1.10 V
V-OUT max. 1.10 V
V-OUT 1.100 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 6000 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 25 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 140 °C
Inductor size typ. 0.47 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 92 %
Component count min. 3
current limit adjustable no
Nr.of packages 1

RP508x-1.1 Datasheet

Link to the most up-to-date RP508x-1.1 datasheet and the product page for EVM, tools and support information.


RP508x-1.1 Sample stock and distributor price breaks

RP508x-1.1 prices and online available distributors.


Available Distributors with stock: 0

no online Distributor with RP508x stock available

Available Distributors with stock: 0

no online Distributor with RP508x stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to RP508x-1.1. Optional, compare RP508x-1.1 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2108-1,1 ADP2108-1,1 product overviewADP2108-1,1 product overview Analog Devices TSOT23-5, CSP-5
0% FAN53611-1.1 FAN53611-1.1 product overviewFAN53611-1.1 product overview Fairchild CSP-6
0% RP504x-1.1 RP504x-1.1 product overviewRP504x-1.1 product overview Ricoh DFN-6, SOT23-5
0% RP505K-1.1 RP505K-1.1 product overviewRP505K-1.1 product overview Ricoh DFN-8
0% RP509Z-1-1.1 RP509Z-1-1.1 product overviewRP509Z-1-1.1 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP508x-1.1.

V-IN max. 5.5 V, I-OUT 0.6 A, V-OUT min. 1.1 V, Frequency typ. 6000 kHz
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
74402900082 0.8 2.4 1.8 36.00 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
74479763168 0.7 1.0 1.0 180.00 1.6 x 0.8 x 0.95
74479773154 0.5 1.3 1.0 120.00 2 x 1.25 x 0.6
74479876168 0.7 1.8 1.7 60.00 2 x 1.6 x 1
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