RP400K001A Boost Converter Overview



RP400K001A is a 5.50 V, 0.90 A switch current limit non-sync Boost Converter from . The input voltage from 0.90 V to 5.50 V  can be boosted into an output voltage ranging from 1.80 V to 5.50 V.

Features of the Boost Converter are fixed 700 kHz switching frequency, a typical inductor size of 6.8 µH and it offers a peak efficiency of  up to 92 %. The minimum external component count is 6 and RP400K001A is available in 1 package option(s): DFN-6 .

For RP400K001A replacement search, 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.

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V-IN min. 0.90 V
V-IN max. 5.50 V
Current-Limit typ.? 0.90 A
V-OUT min. 1.80 V
V-OUT max. 5.50 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 700 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 800 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 6.8 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 92 %
Component count min. 6
current limit adjustable no
Nr.of package options 1

RP400K001A Datasheet

Link to the most up-to-date RP400K001A datasheet and the product page for EVM, tools and support information.


RP400K001A Price breaks and distributor sample stock

RP400K001A prices and available online distributors.


Available Distributors with stock: 1

Mouser-Electronics (1)

11.22 USD
100.98 USD
1000.75 USD
5000.67 USD
10000.53 USD
50000.45 USD
100000.44 USD
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Available Distributors with stock: 0

no online Distributor with RP400K001A stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to RP400K001A. Optional, compare RP400K001A side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1344 AS1344 product overviewAS1344 product overview AMS TDFN-10
0% RP400K001B RP400K001B product overviewRP400K001B product overview Ricoh DFN-6
0% RP401-x001C RP401-x001C product overviewRP401-x001C product overview Ricoh DFN-6
0% RP600K-D RP600K-D product overviewRP600K-D product overview Ricoh DFN-10
10% SiP12503 SiP12503 product overviewSiP12503 product overview Vishay MLP33-6
10% S-8363 S-8363 product overviewS-8363 product overview Seiko Instruments SOT23-6, SNT-6
25% RP400K001C RP400K001C product overviewRP400K001C product overview Ricoh DFN-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP400K001A.

V-IN min. 0.9 V, Current-Limit typ. 0.9 A, V-OUT max. 5.5 V, Frequency typ. 700 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74407000047 0.5 7.8 6.5 5.80 8 x 8 x 2
744373240056 0.6 6.0 10.5 13.50 4.45 x 4.06 x 2
744383560033 0.3 9.6 12.4 6.00 4.1 x 4.1 x 2.1
744383560056 0.6 8.5 10.8 7.00 4.1 x 4.1 x 2.1
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