RP402-K391A-B-C-D Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

RP402-K391A-B-C-D is a 3.90 V, 1.50 A switch current limit sync Boost Converter from . The input voltage from 0.70 V to 4.80 V  can be boosted into an output voltage ranging from 3.90 V to 3.90 V.

Features of the Boost Converter are fixed 1200 kHz switching frequency, a typical inductor size of 10.0 µH and it offers a peak efficiency of  up to 94 %. The minimum external component count is 4 and RP402-K391A-B-C-D is available in 1 package option(s): DFN-8 .

For RP402-K391A-B-C-D 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. 0.70 V
V-IN max. 4.80 V
Current-Limit typ.? 1.50 A
V-OUT min. 3.90 V
V-OUT max. 3.90 V
VOUT 3.90
VOUT programmable no
sync/non-sync 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 yes
Quiescent current max. -1600 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 94 %
Component count min. 4
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-8
SO/SOIC
SOP
DIP
TO
DDPAK

RP402-K391A-B-C-D Datasheet

Link to the most up-to-date RP402-K391A-B-C-D datasheet and the product page for EVM, tools and support information.

RP402-K391A-B-C-D

RP402-K391A-B-C-D Price breaks and distributor sample stock

RP402-K391A-B-C-D prices and available online distributors.

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Alternatives and equivalents

The following DC/DC Boost Converter are similar to RP402-K391A-B-C-D. Optional, compare RP402-K391A-B-C-D 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 RP402-K391A-B-C-D.

V-IN min. 0.7 V, Current-Limit typ. 1.5 A, V-OUT max. 3.9 V, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
744302015 0.2 30.0 32.0 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
744303015 0.2 31.0 42.0 0.33 10 x 6.8 x 5
744304010 0.1 26.0 52.0 0.17 11.5 x 11.8 x 4
744304016 0.2 26.0 32.0 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
744307016 0.2 29.0 41.0 0.33 7.4 x 7.2 x 7.2
744308015 0.2 27.0 58.0 0.37 10.1 x 7 x 7
744310013 0.1 22.0 48.0 0.91 7 x 6.9 x 3.3
744325016 0.2 25.0 58.0 0.51 10.5 x 10.2 x 5
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
744373240010 0.1 12.0 30.0 3.20 4.45 x 4.06 x 2
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