RN5RK-491 Boost Converter Overview

Description

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DC/DC Converter
Sub-Category
Boost

RN5RK-491 is a 6.80 V, 0.27 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 6.80 V to 6.80 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-491 is available in 1 package option(s): SOT23-5 .

For RN5RK-491 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.? 0.27 A
V-OUT min. 6.80 V
V-OUT max. 6.80 V
VOUT 6.80
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. 85 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-491 Datasheet

Link to the most up-to-date RN5RK-491 datasheet and the product page for EVM, tools and support information.

RN5RK-491

RN5RK-491 Price breaks and distributor sample stock

RN5RK-491 prices and available online distributors.

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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
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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
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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
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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
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RN5RK551A-TR-FENone
30000.32 USD
90000.29 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
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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
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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
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RN5RK391A-TR-FENone
30000.32 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
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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
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RN5RK351A-TR-FENone
30000.32 USD
90000.29 USD
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RN5RK311A-TR-FENone
30000.32 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
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RN5RK301B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK361B-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK271A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK552A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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RN5RK452A-TR-FENone
30000.32 USD
90000.29 USD
240000.29 USD
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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-491. Optional, compare RN5RK-491 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-491.

V-IN min. 0.75 V, Current-Limit typ. 0.27 A, V-OUT max. 6.8 V, Frequency typ. 100 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404054047 4.7 3.0 3.8 30.00 5 x 5 x 4
74404063047 4.7 3.1 3.3 30.00 6 x 6 x 2.8
74404064047 4.7 3.3 5.5 26.00 6 x 6 x 4.5
74404064068 6.8 3.0 4.3 31.00 6 x 6 x 4.5
74404064082 8.2 2.6 4.3 43.00 6 x 6 x 4.5
74404084068 6.8 3.6 5.0 24.00 8 x 8 x 4.2
74404084082 8.2 3.5 4.6 26.00 8 x 8 x 4.2
7440650047 4.7 4.6 4.2 16.50 10 x 10 x 3.1
7440650068 6.8 4.2 3.6 25.00 10 x 10 x 3.1
7440650082 8.2 3.8 2.8 28.50 10 x 10 x 3.1
744066005 5.0 4.9 5.5 14.50 10 x 10 x 4.1
7440660062 6.2 4.3 4.5 16.50 10 x 10 x 4.1
744071047 4.7 4.8 4.3 17.00 8 x 8 x 4.6
744071056 5.6 4.0 4.0 20.00 8 x 8 x 4.6
744314760 7.6 4.2 4.8 30.20 7 x 6.9 x 5
744314850 8.5 4.0 4.5 32.50 7 x 6.9 x 5
744316470 4.7 4.6 4.7 24.50 5.5 x 5.3 x 4.3
744316560 5.6 4.5 4.6 28.50 5.5 x 5.3 x 4.3
74438356047 4.7 2.9 4.7 63.00 4.1 x 4.1 x 2.1
74438356056 5.6 2.8 4.6 68.00 4.1 x 4.1 x 2.1
7447462047 4.7 4.2 3.7 19.00 5.5 x 5.5 x 8.5
7447462068 6.8 3.3 3.0 27.00 5.5 x 5.5 x 8.5
7447471068 6.8 6.4 5.0 11.90 10.5 x 10.5 x 11.5
7447713082 8.2 3.0 4.7 41.00 10 x 10 x 3
7447715006 6.8 4.3 4.7 20.00 12 x 12 x 4.5
744772047 4.7 4.0 5.4 11.60 7.8 x 7.8 x 10
744777004 4.7 3.2 4.0 25.00 7.3 x 7.3 x 4.5
7447779004 4.7 3.2 4.4 28.00 7.3 x 7.3 x 4.5
7447779006 6.8 2.9 3.3 33.00 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
7447786004 4.7 2.8 2.8 57.00 5.9 x 6.2 x 5.1
7447789004 4.7 2.9 3.9 33.00 7.3 x 7.3 x 3.5
744787047 4.7 3.3 3.6 24.30 7.8 x 7 x 5
744787068 6.8 3.0 3.0 27.00 7.8 x 7 x 5
744787082 8.2 2.7 2.8 33.00 7.8 x 7 x 5
784771082 8.2 5.1 5.5 20.00 12 x 12 x 8.3
784774047 4.7 3.0 5.5 56.00 5.2 x 5.8 x 4.85
784775047 4.7 4.5 4.5 16.00 7 x 7.8 x 5.5
784775056 5.6 4.0 4.0 18.00 7 x 7.8 x 5.5
784775068 6.8 3.7 3.8 22.00 7 x 7.8 x 5.5
784775082 8.2 3.2 3.2 24.00 7 x 7.8 x 5.5
784776056 5.6 4.8 5.5 15.00 9 x 10 x 5.9
784776068 6.8 4.4 5.0 16.00 9 x 10 x 5.9
784776082 8.2 4.2 4.3 20.00 9 x 10 x 5.9
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