RP509Z-2-1.1 Buck Converter overview

Description

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RP509Z-2-1.1 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 1.10 V to 1.10 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-2-1.1 characteristics are a fixed 6000 kHz switching frequency and 1 available package option(s): WLCSP-6 .

For the RP509Z-2-1.1 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? 0.50 A
V-OUT min. 1.10 V
V-OUT max. 1.10 V
V-OUT 1.100 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-2-1.1 Datasheet

Link to the most up-to-date RP509Z-2-1.1 datasheet and the product page for EVM, tools and support information.

RP509Z-2-1.1

RP509Z-2-1.1 Sample stock and distributor price breaks

RP509Z-2-1.1 prices and online available distributors.

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Available Distributors with stock: 1

Chip-One-Stop (3)

ProductStockPriceBuy
RP509Z002D-E2-F5000
11.71 USD
100.79 USD
500.77 USD
1000.66 USD
2000.64 USD
5000.63 USD
Buy Now
RP509Z121B-E2-F100
11.67 USD
100.77 USD
500.75 USD
1000.66 USD
Buy Now
RP509Z202B-E2-F100
11.67 USD
100.77 USD
500.75 USD
1000.66 USD
Buy Now

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-2-1.1. Optional, compare RP509Z-2-1.1 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2108-1,1 ADP2108-1,1 product overviewADP2108-1,1 product overview Analog Devices TSOT23-5, CSP-5
0% FAN53611-1.1 FAN53611-1.1 product overviewFAN53611-1.1 product overview Fairchild CSP-6
0% MAX8640Y-1.1 MAX8640Y-1.1 product overviewMAX8640Y-1.1 product overview Maxim u00b5DFN-6
0% MAX8640Z-1.1 MAX8640Z-1.1 product overviewMAX8640Z-1.1 product overview Maxim u00b5DFN-6
0% TPS622311 TPS622311 product overviewTPS622311 product overview Texas Instruments SON-6
0% RP504x-1.1 RP504x-1.1 product overviewRP504x-1.1 product overview Ricoh DFN-6, SOT23-5
0% RP508x-1.1 RP508x-1.1 product overviewRP508x-1.1 product overview Ricoh DFN-6
0% RP505K-1.1 RP505K-1.1 product overviewRP505K-1.1 product overview Ricoh DFN-8
0% RP509Z-1-1.1 RP509Z-1-1.1 product overviewRP509Z-1-1.1 product overview Ricoh WLCSP-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP509Z-2-1.1.

V-IN max. 5.5 V, I-OUT 0.5 A, V-OUT min. 1.1 V, Frequency typ. 6000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74479762168 0.7 1.0 0.7 220.00 1.6 x 0.8 x 0.55
74479763168 0.7 1.0 1.0 180.00 1.6 x 0.8 x 0.95
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
74479776210 1.0 1.4 1.0 90.00 2 x 1.6 x 1
74479787210B 1.0 2.0 1.2 60.00 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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