RP509Z-2-2.5 Buck Converter overview



RP509Z-2-2.5 is a 5.50 V sync Buck Converter from with 0.50 A output current. The maximum 5.50 V input voltage can be regulated down into a 2.50 V to 2.50 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-2-2.5 characteristics are a fixed 6000 kHz switching frequency and 1 available package option(s): WLCSP-6 .

For the RP509Z-2-2.5 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? 0.50 A
V-OUT min. 2.50 V
V-OUT max. 2.50 V
V-OUT 2.500 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-2-2.5 Datasheet

Link to the most up-to-date RP509Z-2-2.5 datasheet and the product page for EVM, tools and support information.


RP509Z-2-2.5 Sample stock and distributor price breaks

RP509Z-2-2.5 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-2-2.5. Optional, compare RP509Z-2-2.5 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2108-2,5 ADP2108-2,5 product overviewADP2108-2,5 product overview Analog Devices TSOT23-5, CSP-5
0% ADP2138-2,5 ADP2138-2,5 product overviewADP2138-2,5 product overview Analog Devices WLCSP-6
0% ADP2139-2,5 ADP2139-2,5 product overviewADP2139-2,5 product overview Analog Devices WLCSP-6
0% FAN5362-2.5 FAN5362-2.5 product overviewFAN5362-2.5 product overview Fairchild CSP-6
0% ISL9103A-2.5 ISL9103A-2.5 product overviewISL9103A-2.5 product overview Intersil TDFN-6
0% ISL9104A-2.5 ISL9104A-2.5 product overviewISL9104A-2.5 product overview Intersil TDFN-6
0% MAX1742-2.5 MAX1742-2.5 product overviewMAX1742-2.5 product overview Maxim QSOP-16
0% MAX1842-2.5 MAX1842-2.5 product overviewMAX1842-2.5 product overview Maxim QSOP-16
0% MAX1928-2.5 MAX1928-2.5 product overviewMAX1928-2.5 product overview Maxim u00b5MAX-10
0% MAX8640Y-2.5 MAX8640Y-2.5 product overviewMAX8640Y-2.5 product overview Maxim u00b5DFN-6
0% MCP1602-2.5 MCP1602-2.5 product overviewMCP1602-2.5 product overview Microchip DFN-8, MSOP-8
0% BU90005 BU90005 product overviewBU90005 product overview Rohm CSP-6
0% AAT1151-2.5 AAT1151-2.5 product overviewAAT1151-2.5 product overview Skyworks QFN-16, MSOP-8
0% LM3671-2.5 LM3671-2.5 product overviewLM3671-2.5 product overview Texas Instruments SOT23-5, DSBGA-5
0% LM3677-2.5 LM3677-2.5 product overviewLM3677-2.5 product overview Texas Instruments DSBGA-5
0% LM3691-2.5 LM3691-2.5 product overviewLM3691-2.5 product overview Texas Instruments DSBGA-6
0% TPS62230 TPS62230 product overviewTPS62230 product overview Texas Instruments SON-6
0% TPS62263 TPS62263 product overviewTPS62263 product overview Texas Instruments SON-6, SOT-5
0% TPS62263-Q1 TPS62263-Q1 product overviewTPS62263-Q1 product overview Texas Instruments SON-6, SOT-5
0% RP504x-2.5 RP504x-2.5 product overviewRP504x-2.5 product overview Ricoh DFN-6, SOT23-5
0% RP508x-2.5 RP508x-2.5 product overviewRP508x-2.5 product overview Ricoh DFN-6
0% RP505K-2.5 RP505K-2.5 product overviewRP505K-2.5 product overview Ricoh DFN-8
0% TS30111-2.5 TS30111-2.5 product overviewTS30111-2.5 product overview Triune Systems QFN-16
0% TS30011-2.5 TS30011-2.5 product overviewTS30011-2.5 product overview Triune Systems QFN-16
0% TS33000-2.5 TS33000-2.5 product overviewTS33000-2.5 product overview Triune Systems QFN-16
0% TS33001-2.5 TS33001-2.5 product overviewTS33001-2.5 product overview Triune Systems QFN-16
0% TS30021-2.5 TS30021-2.5 product overviewTS30021-2.5 product overview Triune Systems QFN-16
0% MP2148-2.5 MP2148-2.5 product overviewMP2148-2.5 product overview MPS QFN-6
0% RP509Z-1-2.5 RP509Z-1-2.5 product overviewRP509Z-1-2.5 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP509Z-2-2.5.

V-IN max. 5.5 V, I-OUT 0.5 A, V-OUT min. 2.5 V, Frequency typ. 6000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744030001 1.2 1.0 1.1 95.00 3.3 x 3.5 x 1.05
74479763210A 1.0 0.9 0.7 200.00 1.6 x 0.8 x 0.95
74479773210 1.0 1.2 0.8 180.00 2 x 1.25 x 0.6
74479775210A 1.0 1.3 1.0 110.00 2 x 1.2 x 1.2
74479775215 1.5 1.1 0.8 160.00 2 x 1.2 x 1.2
74479776210 1.0 1.4 1.0 90.00 2 x 1.6 x 1
74479776215 1.5 1.3 0.8 110.00 2 x 1.6 x 1
74479787210B 1.0 2.0 1.2 60.00 2.5 x 2 x 1
74479787215A 1.5 1.9 1.1 70.00 2.5 x 2 x 1
74479887210A 1.0 1.6 1.0 100.00 2.5 x 2 x 1
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