RP509Z-1-2.8 Buck Converter overview

Description

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RP509Z-1-2.8 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 2.80 V to 2.80 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-1-2.8 characteristics are a fixed 6000 kHz switching frequency and 1 available package option(s): WLCSP-6 .

For the RP509Z-1-2.8 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.

ParameterValueReplacement
Search Filter
V-IN min. 2.30 V
V-IN max. 5.50 V
I-OUT? 1.00 A
V-OUT min. 2.80 V
V-OUT max. 2.80 V
V-OUT 2.800 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
CSP WLCSP-6
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

RP509Z-1-2.8 Datasheet

Link to the most up-to-date RP509Z-1-2.8 datasheet and the product page for EVM, tools and support information.

RP509Z-1-2.8

RP509Z-1-2.8 Sample stock and distributor price breaks

RP509Z-1-2.8 prices and online available distributors.

OEMSecrets.com
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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-1-2.8. Optional, compare RP509Z-1-2.8 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% RP505K-2.8 RP505K-2.8 product overviewRP505K-2.8 product overview Ricoh DFN-8
0% RP506x-D-E-2.8 RP506x-D-E-2.8 product overviewRP506x-D-E-2.8 product overview Ricoh DFN-10
0% RP506x-A-B-2.8 RP506x-A-B-2.8 product overviewRP506x-A-B-2.8 product overview Ricoh DFN-10
0% XC9261-C-2.8 XC9261-C-2.8 product overviewXC9261-C-2.8 product overview Torex USP-6, SOT89-5
0% XC9261-D-2.8 XC9261-D-2.8 product overviewXC9261-D-2.8 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-1-2.8.

V-IN max. 5.5 V, I-OUT 1 A, V-OUT min. 2.8 V, Frequency typ. 6000 kHz
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
7440300068 0.7 1.3 1.5 0.06 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
74479876168 0.7 1.8 1.7 60.00 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
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