RP509Z-1-0.7 Buck Converter overview



RP509Z-1-0.7 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 0.47 µH, a typical external component count of 3 and achieves a peak efficiency of 97 %. Further RP509Z-1-0.7 characteristics are a fixed 6000 kHz switching frequency and 1 available package option(s): WLCSP-6 .

For the RP509Z-1-0.7 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.

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 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. -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 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 97 %
Component count min. 3
current limit adjustable no
Nr.of packages 1

RP509Z-1-0.7 Datasheet

Link to the most up-to-date RP509Z-1-0.7 datasheet and the product page for EVM, tools and support information.


RP509Z-1-0.7 Sample stock and distributor price breaks

RP509Z-1-0.7 prices and online available distributors.


Available Distributors with stock: 0

no online Distributor with RP509Z stock available

Available Distributors with stock: 0

no online Distributor with RP509Z stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to RP509Z-1-0.7. Optional, compare RP509Z-1-0.7 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% RP505K-0.7 RP505K-0.7 product overviewRP505K-0.7 product overview Ricoh DFN-8
0% RP506x-D-E-0.7 RP506x-D-E-0.7 product overviewRP506x-D-E-0.7 product overview Ricoh DFN-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP509Z-1-0.7.

V-IN max. 5.5 V, I-OUT 1 A, V-OUT min. 0.7 V, Frequency typ. 6000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402800033 0.3 2.8 2.4 27.00 2.8 x 2.8 x 1.2
74479762133 0.3 1.1 1.2 160.00 1.6 x 0.8 x 0.55
74479773133 0.3 1.4 1.2 100.00 2 x 1.25 x 0.6
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