RP505K-3.3 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

RP505K-3.3 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 3.30 V to 3.30 V output voltage.

It requires are a typical inductor size of 2.20 µH, a typical external component count of 3 and achieves a peak efficiency of 94 %. Further RP505K-3.3 characteristics are a fixed 2250 kHz switching frequency and 1 available package option(s): DFN-8 .

For the RP505K-3.3 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. 3.30 V
V-OUT max. 3.30 V
V-OUT 3.300 V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 2250 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. 60 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ. 140 °C
Inductor size typ. 2.20 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 94 %
Component count min. 3
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

RP505K-3.3 Datasheet

Link to the most up-to-date RP505K-3.3 datasheet and the product page for EVM, tools and support information.

RP505K-3.3

RP505K-3.3 Sample stock and distributor price breaks

RP505K-3.3 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with RP505K stock available

Available Distributors with stock: 0

no online Distributor with RP505K stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to RP505K-3.3. Optional, compare RP505K-3.3 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2105-3,3 ADP2105-3,3 product overviewADP2105-3,3 product overview Analog Devices QFN-16
0% ADP2106-3,3 ADP2106-3,3 product overviewADP2106-3,3 product overview Analog Devices QFN-16
0% ADP2107-3,3 ADP2107-3,3 product overviewADP2107-3,3 product overview Analog Devices QFN-16
0% ADP2119-3,3 ADP2119-3,3 product overviewADP2119-3,3 product overview Analog Devices QFN-10
0% ADP2120-3,3 ADP2120-3,3 product overviewADP2120-3,3 product overview Analog Devices QFN-10
0% MAX1556-3.3 MAX1556-3.3 product overviewMAX1556-3.3 product overview Maxim TDFN-EP-10
0% MAX1644-3.3 MAX1644-3.3 product overviewMAX1644-3.3 product overview Maxim SSOP-16
0% MAX16903-3.3 MAX16903-3.3 product overviewMAX16903-3.3 product overview Maxim TSSOP-EP-16, TDFN-EP-10
0% MAX17502-3.3 MAX17502-3.3 product overviewMAX17502-3.3 product overview Maxim TSSOP-EP-14, TDFN-10
0% MIC23150-3.3 MIC23150-3.3 product overviewMIC23150-3.3 product overview Micrel MLF-8
0% BD9111 BD9111 product overviewBD9111 product overview Rohm SON-8
0% BU90002 BU90002 product overviewBU90002 product overview Rohm CSP-6
0% AAT1157-3.3 AAT1157-3.3 product overviewAAT1157-3.3 product overview Skyworks QFN-16
0% LM2651-3.3 LM2651-3.3 product overviewLM2651-3.3 product overview Texas Instruments TSSOP-16
0% LM3691-3.3 LM3691-3.3 product overviewLM3691-3.3 product overview Texas Instruments DSBGA-6
0% TPS62046 TPS62046 product overviewTPS62046 product overview Texas Instruments QFN-10, MSOP
0% TPS62063 TPS62063 product overviewTPS62063 product overview Texas Instruments SON-8
0% TPS62111 TPS62111 product overviewTPS62111 product overview Texas Instruments QFN-16
0% TPS62162 TPS62162 product overviewTPS62162 product overview Texas Instruments SON-8
0% TPS62291 TPS62291 product overviewTPS62291 product overview Texas Instruments SON-6, SOT-5
0% RP506x-D-E-3.3 RP506x-D-E-3.3 product overviewRP506x-D-E-3.3 product overview Ricoh DFN-10
0% RP506x-A-B-3.3 RP506x-A-B-3.3 product overviewRP506x-A-B-3.3 product overview Ricoh DFN-10
0% XC9261-C-3.3 XC9261-C-3.3 product overviewXC9261-C-3.3 product overview Torex USP-6, SOT89-5
0% XC9261-D-3.3 XC9261-D-3.3 product overviewXC9261-D-3.3 product overview Torex USP-6, SOT89-5
0% TS30011-3.3 TS30011-3.3 product overviewTS30011-3.3 product overview Triune Systems QFN-16
0% TS30012-3.3 TS30012-3.3 product overviewTS30012-3.3 product overview Triune Systems QFN-16
0% TS33001-3.3 TS33001-3.3 product overviewTS33001-3.3 product overview Triune Systems QFN-16
0% TS33002-3.3 TS33002-3.3 product overviewTS33002-3.3 product overview Triune Systems QFN-16
0% TS30021-3.3 TS30021-3.3 product overviewTS30021-3.3 product overview Triune Systems QFN-16
0% TS30022-3.3 TS30022-3.3 product overviewTS30022-3.3 product overview Triune Systems QFN-16
0% MP2148-3.3 MP2148-3.3 product overviewMP2148-3.3 product overview MPS QFN-6
0% TPS62111-EP TPS62111-EP product overviewTPS62111-EP product overview Texas Instruments QFN-16
0% RP509Z-1-3.3 RP509Z-1-3.3 product overviewRP509Z-1-3.3 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP505K-3.3.

V-IN max. 5.5 V, I-OUT 1 A, V-OUT min. 3.3 V, Frequency typ. 2250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025001 1.2 2.6 3.0 36.00 2.8 x 2.8 x 3
744031001 1.5 1.8 1.6 40.00 3.8 x 3.8 x 1.8
74404024015 1.5 1.9 2.4 65.00 2.5 x 2 x 1.2
74404032015 1.5 2.0 2.3 40.00 3 x 3 x 1.5
7440420018 1.8 2.4 2.4 40.00 4.8 x 4.8 x 2
7440430012 1.2 3.1 2.8 15.00 4.8 x 4.8 x 3
7440430018 1.8 2.7 2.5 20.00 4.8 x 4.8 x 3
7440520018 1.8 2.6 3.0 30.00 5.8 x 5.8 x 2
7440680017 1.7 2.5 2.4 41.00 8 x 8 x 1.2
74438343015 1.5 1.3 3.0 150.00 2.5 x 1.6 x 0.6
74479976215 1.5 1.6 1.9 100.00 2 x 1.6 x 0.5
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