RP505K-1.8 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

RP505K-1.8 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 1.80 V to 1.80 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-1.8 characteristics are a fixed 2250 kHz switching frequency and 1 available package option(s): DFN-8 .

For the RP505K-1.8 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. 1.80 V
V-OUT max. 1.80 V
V-OUT 1.800 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-1.8 Datasheet

Link to the most up-to-date RP505K-1.8 datasheet and the product page for EVM, tools and support information.

RP505K-1.8

RP505K-1.8 Sample stock and distributor price breaks

RP505K-1.8 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 2

Chip-One-Stop (10)

ProductStockPriceBuy
RP505K101A-TR100
11.67 USD
100.73 USD
500.71 USD
1000.66 USD
Buy Now
RP505K101B-TR100
11.67 USD
100.73 USD
500.71 USD
1000.66 USD
Buy Now
RP505K121A-TR4825
11.67 USD
100.73 USD
500.71 USD
1000.66 USD
2000.64 USD
5000.63 USD
Buy Now
RP505K121B-TR33
11.67 USD
100.73 USD
Buy Now
RP505K151A-TR100
11.67 USD
100.73 USD
500.71 USD
1000.66 USD
Buy Now
RP505K151B-TR100
11.67 USD
100.73 USD
500.71 USD
1000.66 USD
Buy Now
RP505K181B-TR100
11.67 USD
100.73 USD
500.71 USD
1000.66 USD
Buy Now
RP505K251A-TR100
11.67 USD
100.73 USD
500.71 USD
1000.66 USD
Buy Now
RP505K301B-TR5030
11.67 USD
100.77 USD
500.74 USD
1000.66 USD
2000.64 USD
5000.63 USD
Buy Now
RP505K331B-TR100
11.67 USD
100.73 USD
500.71 USD
1000.66 USD
Buy Now

Mouser-Electronics (1)

ProductStockPriceBuy
RP505KNoneBuy Now
RP505K121B-TR95
11.73 USD
101.38 USD
1001.06 USD
5000.94 USD
10000.74 USD
50000.64 USD
100000.62 USD
Buy Now
RP505K001C-TRNone
11.73 USD
101.38 USD
1001.06 USD
5000.94 USD
10000.74 USD
50000.64 USD
100000.62 USD
Buy Now
RP505K101A-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K121A-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K151B-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K331B-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K331A-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K251A-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K181A-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K181B-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K151A-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K081B-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K091A-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K101B-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K251B-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K191B-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K111B-TRNone
50000.64 USD
100000.62 USD
Buy Now
RP505K301B-TRNone
50000.64 USD
100000.62 USD
Buy Now

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-1.8. Optional, compare RP505K-1.8 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2105-1,8 ADP2105-1,8 product overviewADP2105-1,8 product overview Analog Devices QFN-16
0% ADP2106-1,8 ADP2106-1,8 product overviewADP2106-1,8 product overview Analog Devices QFN-16
0% ADP2107-1,8 ADP2107-1,8 product overviewADP2107-1,8 product overview Analog Devices QFN-16
0% ADP2119-1,8 ADP2119-1,8 product overviewADP2119-1,8 product overview Analog Devices QFN-10
0% ADP2120-1,8 ADP2120-1,8 product overviewADP2120-1,8 product overview Analog Devices QFN-10
0% MAX1556-1.8 MAX1556-1.8 product overviewMAX1556-1.8 product overview Maxim TDFN-EP-10
0% MAX1742-1.8 MAX1742-1.8 product overviewMAX1742-1.8 product overview Maxim QSOP-16
0% MAX1842-1.8 MAX1842-1.8 product overviewMAX1842-1.8 product overview Maxim QSOP-16
0% MIC23150-1.8 MIC23150-1.8 product overviewMIC23150-1.8 product overview Micrel MLF-8
0% MIC23153-1.8 MIC23153-1.8 product overviewMIC23153-1.8 product overview Micrel MLF-10
0% MIC23155-1.8 MIC23155-1.8 product overviewMIC23155-1.8 product overview Micrel MLF-10
0% BU90004 BU90004 product overviewBU90004 product overview Rohm CSP-6
0% AAT1145-1.8 AAT1145-1.8 product overviewAAT1145-1.8 product overview Skyworks TDFN-10
0% LM2651-1.8 LM2651-1.8 product overviewLM2651-1.8 product overview Texas Instruments TSSOP-16
0% LM3691-1.8 LM3691-1.8 product overviewLM3691-1.8 product overview Texas Instruments DSBGA-6
0% TPS62044 TPS62044 product overviewTPS62044 product overview Texas Instruments QFN-10, MSOP
0% TPS62061 TPS62061 product overviewTPS62061 product overview Texas Instruments SON-8
0% TPS62161 TPS62161 product overviewTPS62161 product overview Texas Instruments SON-8
0% TPS62293-Q1 TPS62293-Q1 product overviewTPS62293-Q1 product overview Texas Instruments SON-6, SOT-5
0% TPS62293 TPS62293 product overviewTPS62293 product overview Texas Instruments SON-6, SOT-5
0% RP506x-D-E-1.8 RP506x-D-E-1.8 product overviewRP506x-D-E-1.8 product overview Ricoh DFN-10
0% RP506x-A-B-1.8 RP506x-A-B-1.8 product overviewRP506x-A-B-1.8 product overview Ricoh DFN-10
0% XC9261-C-1.8 XC9261-C-1.8 product overviewXC9261-C-1.8 product overview Torex USP-6, SOT89-5
0% XC9261-D-1.8 XC9261-D-1.8 product overviewXC9261-D-1.8 product overview Torex USP-6, SOT89-5
0% TS30011-1.8 TS30011-1.8 product overviewTS30011-1.8 product overview Triune Systems QFN-16
0% TS30012-1.8 TS30012-1.8 product overviewTS30012-1.8 product overview Triune Systems QFN-16
0% TS33001-1.8 TS33001-1.8 product overviewTS33001-1.8 product overview Triune Systems QFN-16
0% TS33002-1.8 TS33002-1.8 product overviewTS33002-1.8 product overview Triune Systems QFN-16
0% TS30021-1.8 TS30021-1.8 product overviewTS30021-1.8 product overview Triune Systems QFN-16
0% TS30022-1.8 TS30022-1.8 product overviewTS30022-1.8 product overview Triune Systems QFN-16
0% BD90528 BD90528 product overviewBD90528 product overview Rohm HTSOP-8
0% MP2148-1.8 MP2148-1.8 product overviewMP2148-1.8 product overview MPS QFN-6
0% AS1382C-1.8 AS1382C-1.8 product overviewAS1382C-1.8 product overview AMS WLCSP-6
0% RP509Z-1-1.8 RP509Z-1-1.8 product overviewRP509Z-1-1.8 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP505K-1.8.

V-IN max. 5.5 V, I-OUT 1 A, V-OUT min. 1.8 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
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Last Tweets
Update for the DC/DC Buck-Boost Converter Selector with additional products, fresh equivalent suggestions and more: https://t.co/C8PXhcizYQ
Meet us at the Electronica Tradeshow in Munich, appointments under info@dcdcselector.com https://t.co/1uiualLN1x
Speaker at the Vogel Power Congress in Wuerzburg, on 26.10. Program and details under: https://t.co/p2SHquFhtH
Feedback
ajax-loader.gif
Loading. Please wait.