RN5RK-251 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

RN5RK-251 is a 4.40 V, 0.15 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 4.40 V to 4.40 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-251 is available in 1 package option(s): SOT23-5 .

For RN5RK-251 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.? 0.15 A
V-OUT min. 4.40 V
V-OUT max. 4.40 V
VOUT 4.40
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. 50 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-251 Datasheet

Link to the most up-to-date RN5RK-251 datasheet and the product page for EVM, tools and support information.

RN5RK-251

RN5RK-251 Price breaks and distributor sample stock

RN5RK-251 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
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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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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
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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
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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
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
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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-251. Optional, compare RN5RK-251 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-251.

V-IN min. 0.75 V, Current-Limit typ. 0.15 A, V-OUT max. 4.4 V, Frequency typ. 100 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404063150 15.0 1.5 1.9 125.00 6 x 6 x 2.8
744052120 12.0 1.0 1.2 130.00 5.8 x 5.8 x 2
744052150 15.0 1.0 1.1 175.00 5.8 x 5.8 x 2
744053120 12.0 1.5 1.3 70.00 5.8 x 5.8 x 3
744053150 15.0 1.4 1.2 80.00 5.8 x 5.8 x 3
744053180 18.0 1.3 1.1 90.00 5.8 x 5.8 x 3
744062120 12.0 1.4 1.3 70.00 6.8 x 6.8 x 2.5
744062150 15.0 1.3 1.1 80.00 6.8 x 6.8 x 2.5
744062180 18.0 1.3 1.0 90.00 6.8 x 6.8 x 2.5
7440690120 12.0 1.4 1.2 148.00 8 x 8 x 1.5
7440690150 15.0 1.3 1.1 179.00 8 x 8 x 1.5
7440690180 18.0 1.1 1.1 225.00 8 x 8 x 1.5
7440700150 15.0 1.7 1.3 117.00 8 x 8 x 2
7440700180 18.0 1.5 1.1 135.00 8 x 8 x 2
74408942150 15.0 1.1 1.6 207.00 4.8 x 4.8 x 3.1
74408943150 15.0 1.4 1.7 118.00 4.8 x 4.8 x 4.1
744773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
744773115 15.0 1.2 1.5 204.00 4 x 4.5 x 3.5
744773118 18.0 1.1 1.3 225.00 4 x 4.5 x 3.5
744778115 15.0 1.5 1.8 100.00 7.3 x 7.3 x 3.4
744778118 18.0 1.4 1.7 114.00 7.3 x 7.3 x 3.4
7447785115 15.0 1.6 1.4 165.00 5.9 x 6.2 x 3.3
7447789112 12.0 1.7 1.9 76.00 7.3 x 7.3 x 3.5
7447789115 15.0 1.5 1.8 100.00 7.3 x 7.3 x 3.5
7447789118 18.0 1.4 1.7 114.00 7.3 x 7.3 x 3.5
744787180 18.0 2.2 1.9 67.00 7.8 x 7 x 5
784773112 12.0 1.3 1.6 156.00 4 x 4.5 x 3.5
784773115 15.0 1.2 1.5 204.00 4 x 4.5 x 3.5
784773118 18.0 1.1 1.3 225.00 4 x 4.5 x 3.5
784774112 12.0 2.0 1.9 82.00 5.2 x 5.8 x 4.85
784774115 15.0 1.5 1.9 89.00 5.2 x 5.8 x 4.85
784774118 18.0 1.5 1.7 104.00 5.2 x 5.8 x 4.85
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