RP401-x521A-B-C Boost Converter Overview

Description

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RP401-x521A-B-C is a 5.20 V, 1.20 A switch current limit non-sync Boost Converter from . The input voltage from 0.60 V to 5.50 V  can be boosted into an output voltage ranging from 5.20 V to 5.20 V.

Features of the Boost Converter are fixed 1200 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of  up to 90 %. The minimum external component count is 4 and RP401-x521A-B-C is available in 2 package option(s): SOT23-5 DFN-6 .

For RP401-x521A-B-C 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.

ParameterValueReplacement
Search Filter
V-IN min. 0.60 V
V-IN max. 5.50 V
Current-Limit typ.? 1.20 A
V-OUT min. 5.20 V
V-OUT max. 5.20 V
VOUT 5.20
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 1200 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
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 770 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 4.7 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 90 %
Component count min. 4
current limit adjustable no
Nr.of package options 2
CSP
SC70
SOT SOT23-5
MSOP
QFN/DFN DFN-6
SO/SOIC
SOP
DIP
TO
DDPAK

RP401-x521A-B-C Datasheet

Link to the most up-to-date RP401-x521A-B-C datasheet and the product page for EVM, tools and support information.

RP401-x521A-B-C

RP401-x521A-B-C Price breaks and distributor sample stock

RP401-x521A-B-C prices and available online distributors.

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Alternatives and equivalents

The following DC/DC Boost Converter are similar to RP401-x521A-B-C. Optional, compare RP401-x521A-B-C side-by-side with other Boost Converter via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP401-x521A-B-C.

V-IN min. 0.6 V, Current-Limit typ. 1.2 A, V-OUT max. 5.2 V, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302007 0.1 30.0 60.0 0.24 6.95 x 6.8 x 4.7
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
744303012 0.1 31.0 55.0 0.33 10 x 6.8 x 5
744304010 0.1 26.0 52.0 0.17 11.5 x 11.8 x 4
744307012 0.1 29.0 48.0 0.33 7.4 x 7.2 x 7.2
744310013 0.1 22.0 48.0 0.91 7 x 6.9 x 3.3
744373240010 0.1 12.0 30.0 3.20 4.45 x 4.06 x 2
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