RN5RK-381 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

RN5RK-381 is a 5.70 V, 0.21 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 5.70 V to 5.70 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-381 is available in 1 package option(s): SOT23-5 .

For RN5RK-381 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.? 0.21 A
V-OUT min. 5.70 V
V-OUT max. 5.70 V
VOUT 5.70
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. 72 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-381 Datasheet

Link to the most up-to-date RN5RK-381 datasheet and the product page for EVM, tools and support information.

RN5RK-381

RN5RK-381 Price breaks and distributor sample stock

RN5RK-381 prices and available online distributors.

OEMSecrets.com
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Available Distributors with stock: 2

Chip-One-Stop (1)

ProductStockPriceBuy
RN5RK301A-TR-FE100
50.82 USD
100.71 USD
500.58 USD
1000.50 USD
Buy Now

Mouser-Electronics (4)

ProductStockPriceBuy
RN5RKNoneBuy Now
RN5RK501B-TR-FE2845
10.90 USD
100.70 USD
1000.53 USD
5000.45 USD
10000.36 USD
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now
RN5RK502A-TR-FE3000
10.90 USD
100.70 USD
1000.53 USD
5000.45 USD
10000.36 USD
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now
RN5RK331A-TR-FE95
10.90 USD
100.70 USD
1000.53 USD
5000.45 USD
10000.36 USD
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now
RN5RK301A-TR-FE60
10.90 USD
100.70 USD
1000.53 USD
5000.45 USD
10000.36 USD
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK332A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK551A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK361A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK501A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK272A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK251B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK532A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK331B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK462A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK302A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK221A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK221B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK511A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK421B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK351B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK241A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK522A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK451A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK321A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK391A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK352A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK251A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK202A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK401B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK321B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK362A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK391B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK252A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK271B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now
RN5RK551B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK211A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK472A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK402A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK351A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK311A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK381B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK201B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK401A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now
RN5RK301B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now
RN5RK361B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now
RN5RK271A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now
RN5RK552A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now
RN5RK452A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with RN5RK stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to RN5RK-381. Optional, compare RN5RK-381 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-381.

V-IN min. 0.75 V, Current-Limit typ. 0.21 A, V-OUT max. 5.7 V, Frequency typ. 100 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052075 7.5 1.7 2.1 96.80 5 x 5 x 2
74404054100 10.0 2.1 2.5 64.00 5 x 5 x 4
74404063082 8.2 2.3 2.5 55.00 6 x 6 x 2.8
74404063100 10.0 2.0 2.2 72.00 6 x 6 x 2.8
74404064100 10.0 2.5 3.5 48.00 6 x 6 x 4.5
74404064120 12.0 2.2 3.0 58.00 6 x 6 x 4.5
7440650082 8.2 3.8 2.8 28.50 10 x 10 x 3.1
744065100 10.0 3.0 2.5 40.00 10 x 10 x 3.1
744071100 10.0 3.4 2.8 28.00 8 x 8 x 4.6
74408943082 8.2 1.8 2.2 70.00 4.8 x 4.8 x 4.1
7447462100 10.0 2.5 2.6 55.00 5.5 x 5.5 x 8.5
7447715120 12.0 3.5 3.6 30.00 12 x 12 x 4.5
74477510 10.0 2.3 3.0 40.00 7 x 7.8 x 5.5
744775112 12.0 2.2 2.2 41.70 7 x 7.8 x 5.5
74477610 10.0 3.0 3.2 27.50 9 x 10 x 5.9
744776112 12.0 2.7 3.2 32.60 9 x 10 x 5.9
74477710 10.0 2.0 2.6 45.00 7.3 x 7.3 x 4.5
744777112 12.0 1.8 2.4 54.00 7.3 x 7.3 x 4.5
7447779008 8.2 2.7 3.0 47.00 7.3 x 7.3 x 4.5
744777910 10.0 2.0 2.6 45.00 7.3 x 7.3 x 4.5
7447779112 12.0 1.8 2.4 50.00 7.3 x 7.3 x 4.5
74477810 10.0 1.8 2.2 68.00 7.3 x 7.3 x 3.4
744778112 12.0 1.7 2.2 76.00 7.3 x 7.3 x 3.4
7447786008 8.2 2.3 2.1 66.00 5.9 x 6.2 x 5.1
744778610 10.0 2.1 1.8 74.00 5.9 x 6.2 x 5.1
744778910 10.0 1.8 2.2 64.00 7.3 x 7.3 x 3.5
7447789112 12.0 1.7 1.9 76.00 7.3 x 7.3 x 3.5
744779100 10.0 1.9 2.1 38.60 6 x 6 x 6.5
744787082 8.2 2.7 2.8 33.00 7.8 x 7 x 5
744787100 10.0 2.6 2.6 36.50 7.8 x 7 x 5
744787120 12.0 2.5 2.4 45.00 7.8 x 7 x 5
78477410 10.0 2.2 2.5 78.00 5.2 x 5.8 x 4.85
784774112 12.0 2.0 1.9 82.00 5.2 x 5.8 x 4.85
784775082 8.2 3.2 3.2 24.00 7 x 7.8 x 5.5
78477510 10.0 2.3 3.0 40.00 7 x 7.8 x 5.5
784775112 12.0 2.2 2.2 42.00 7 x 7.8 x 5.5
78477610 10.0 3.0 3.2 28.00 9 x 10 x 5.9
784776112 12.0 2.7 3.2 33.00 9 x 10 x 5.9
784777082 8.2 2.0 2.8 97.50 7.3 x 7.3 x 4.3
784777100 10.0 1.9 2.6 105.00 7.3 x 7.3 x 4.3
784778082 8.2 2.2 2.4 86.00 7.3 x 7.3 x 3.5
784778100 10.0 1.9 2.2 105.00 7.3 x 7.3 x 3.5
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