RP400x181A-B Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

RP400x181A-B is a 1.80 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 1.80 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 4 and RP400x181A-B is available in 2 package option(s): SOT23-5 DFN-6 .

For RP400x181A-B 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. 0.90 V
V-IN max. 5.50 V
Current-Limit typ.? 0.90 A
V-OUT min. 1.80 V
V-OUT max. 1.80 V
VOUT 1.80
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
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 290 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. 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

RP400x181A-B Datasheet

Link to the most up-to-date RP400x181A-B datasheet and the product page for EVM, tools and support information.

RP400x181A-B

RP400x181A-B Price breaks and distributor sample stock

RP400x181A-B prices and available online distributors.

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Alternatives and equivalents

The following DC/DC Boost Converter are similar to RP400x181A-B. Optional, compare RP400x181A-B side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% RP401-x181A-B-C RP401-x181A-B-C product overviewRP401-x181A-B-C product overview Ricoh SOT23-5, DFN-6

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of RP400x181A-B.

V-IN min. 0.9 V, Current-Limit typ. 0.9 A, V-OUT max. 1.8 V, Frequency typ. 700 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74402500072 0.7 3.0 4.0 23.50 2.8 x 2.8 x 3
744040240068 0.7 2.5 3.5 35.00 2.5 x 2 x 1.2
74404024010 1.0 2.2 2.6 37.00 2.5 x 2 x 1.2
74404032010 1.0 2.2 3.0 33.00 3 x 3 x 1.5
74404041010 1.0 2.5 3.4 41.00 4 x 4 x 1.2
74404042010 1.0 3.2 4.8 27.00 4 x 4 x 1.8
744042001 1.0 2.7 2.6 20.00 4.8 x 4.8 x 2
74404300082 0.8 3.5 3.7 14.00 4.8 x 4.8 x 3
744062001 1.0 4.8 4.6 10.00 6.8 x 6.8 x 2.5
7440680010 1.0 2.8 3.3 32.00 8 x 8 x 1.2
7440690010 1.0 3.6 3.8 21.00 8 x 8 x 1.5
744383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
744383230082 0.8 2.6 4.3 53.00 2.5 x 2 x 1
74438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
74438324010 1.0 2.8 4.9 49.00 2.5 x 2 x 1.2
74438335010 1.0 2.7 4.5 39.00 3 x 3 x 1.5
74438336010 1.0 4.0 5.0 26.00 3 x 3 x 2
7447785001 1.0 3.5 4.5 31.00 5.9 x 6.2 x 3.3
74479276168 0.7 2.5 3.4 45.00 2 x 1.6 x 1
74479276210C 1.0 2.1 3.1 53.00 2 x 1.25 x 1
74479287210 1.0 2.4 4.0 55.00 2.5 x 2 x 1
74479288210 1.0 2.4 4.2 40.00 2.5 x 2 x 1.2
74479298210 1.0 2.5 4.0 45.00 3.2 x 2.5 x 1
74479899210 1.0 2.3 2.5 50.00 3.2 x 2.6 x 1.2
784383230068 0.7 3.1 4.7 46.00 2.5 x 2 x 1
784383230082 0.8 2.6 4.3 53.00 2.5 x 2 x 1
78438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
78438335010 1.0 2.7 4.5 39.00 3 x 3 x 1.5
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