RN5RK-231 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

RN5RK-231 is a 4.20 V, 0.12 A switch current limit non-sync Boost Converter from . The input voltage from 0.75 V to 8.00 V  can be boosted into an output voltage ranging from 4.20 V to 4.20 V.

Features of the Boost Converter are fixed 100 kHz switching frequency, a typical inductor size of 100.0 µH and it offers a peak efficiency of  up to 85 %. The minimum external component count is 3 and RN5RK-231 is available in 1 package option(s): SOT23-5 .

For RN5RK-231 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. 0.75 V
V-IN max. 8.00 V
Current-Limit typ.? 0.12 A
V-OUT min. 4.20 V
V-OUT max. 4.20 V
VOUT 4.20
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 100 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO no
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 46 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 100.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Boost
Peak Efficiency 85 %
Component count min. 3
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT SOT23-5
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

RN5RK-231 Datasheet

Link to the most up-to-date RN5RK-231 datasheet and the product page for EVM, tools and support information.

RN5RK-231

RN5RK-231 Price breaks and distributor sample stock

RN5RK-231 prices and available online distributors.

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no online Distributor with RN5RK stock available

Available Distributors with stock: 0

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Alternatives and equivalents

The following DC/DC Boost Converter are similar to RN5RK-231. Optional, compare RN5RK-231 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 RN5RK-231.

V-IN min. 0.75 V, Current-Limit typ. 0.12 A, V-OUT max. 4.2 V, Frequency typ. 100 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052220 22.0 1.2 1.4 225.00 5 x 5 x 2
744052180 18.0 0.9 1.0 185.00 5.8 x 5.8 x 2
744052220 22.0 0.8 0.9 240.00 5.8 x 5.8 x 2
744052270 27.0 0.8 0.8 250.00 5.8 x 5.8 x 2
744053180 18.0 1.3 1.1 90.00 5.8 x 5.8 x 3
744053220 22.0 1.2 0.9 100.00 5.8 x 5.8 x 3
744053270 27.0 1.1 0.8 135.00 5.8 x 5.8 x 3
744062180 18.0 1.3 1.0 90.00 6.8 x 6.8 x 2.5
744062220 22.0 1.2 1.0 100.00 6.8 x 6.8 x 2.5
7440680180 18.0 0.9 0.8 302.00 8 x 8 x 1.2
7440690180 18.0 1.1 1.1 225.00 8 x 8 x 1.5
7440690220 22.0 1.0 0.9 272.00 8 x 8 x 1.5
7440700180 18.0 1.5 1.1 135.00 8 x 8 x 2
7440700220 22.0 1.3 1.0 166.00 8 x 8 x 2
74408942220 22.0 0.9 1.3 300.00 4.8 x 4.8 x 3.1
74408943220 22.0 1.1 1.4 185.00 4.8 x 4.8 x 4.1
744773118 18.0 1.1 1.3 225.00 4 x 4.5 x 3.5
744773122 22.0 1.0 1.2 261.00 4 x 4.5 x 3.5
744773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
744778122 22.0 1.4 1.4 119.00 7.3 x 7.3 x 3.4
744778127 27.0 1.3 1.3 140.00 7.3 x 7.3 x 3.4
7447785122 22.0 1.4 1.1 210.00 5.9 x 6.2 x 3.3
7447786122 22.0 2.0 1.3 98.00 5.9 x 6.2 x 5.1
7447789122 22.0 1.4 1.4 119.00 7.3 x 7.3 x 3.5
7447789127 27.0 1.3 1.4 130.00 7.3 x 7.3 x 3.5
784773118 18.0 1.1 1.3 225.00 4 x 4.5 x 3.5
784773122 22.0 1.0 1.2 261.00 4 x 4.5 x 3.5
784773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
784774127 27.0 1.2 1.4 133.00 5.2 x 5.8 x 4.85
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