R1210N-421C Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

R1210N-421C is a 4.20 V, 0.21 A switch current limit non-sync Boost Converter from . The input voltage from 0.90 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 88 %. The minimum external component count is 3 and R1210N-421C is available in 1 package option(s): SOT23-5 .

For R1210N-421C 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. 8.00 V
Current-Limit typ.? 0.21 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. 90 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 88 %
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

R1210N-421C Datasheet

Link to the most up-to-date R1210N-421C datasheet and the product page for EVM, tools and support information.

R1210N-421C

R1210N-421C Price breaks and distributor sample stock

R1210N-421C prices and available online distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with R1210N stock available

Available Distributors with stock: 8

Digi-Key

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Mouser Electronics

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Available Distributors without stock: 3

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Alternatives and equivalents

The following DC/DC Boost Converter are similar to R1210N-421C. Optional, compare R1210N-421C side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% R1210N-421D R1210N-421D product overviewR1210N-421D product overview Ricoh SOT23-5
0% S-8354-4.2-50 S-8354-4.2-50 product overviewS-8354-4.2-50 product overview Seiko Instruments SOT23-5

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of R1210N-421C.

V-IN min. 0.9 V, Current-Limit typ. 0.21 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
74404054150 15.0 2.0 2.2 86.00 5 x 5 x 4
74404054220 22.0 1.5 1.7 129.00 5 x 5 x 4
74404063150 15.0 1.5 1.9 125.00 6 x 6 x 2.8
74404063220 22.0 1.4 1.6 140.00 6 x 6 x 2.8
74404064220 22.0 1.8 2.2 89.00 6 x 6 x 4.5
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
744065220 22.0 1.8 1.9 104.00 10 x 10 x 3.1
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
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
744071220 22.0 2.3 1.9 65.00 8 x 8 x 4.6
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
74408943220 22.0 1.1 1.4 185.00 4.8 x 4.8 x 4.1
74437324150 15.0 1.2 2.1 325.00 4.45 x 4.06 x 2
7447462220 22.0 1.8 1.7 102.00 5.5 x 5.5 x 8.5
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
744775112 12.0 2.2 2.2 41.70 7 x 7.8 x 5.5
744775118 18.0 1.9 2.1 52.60 7 x 7.8 x 5.5
744775122 22.0 1.8 1.8 65.40 7 x 7.8 x 5.5
744776122 22.0 2.0 2.1 51.10 9 x 10 x 5.9
744777115 15.0 1.6 2.2 70.00 7.3 x 7.3 x 4.5
744777118 18.0 1.5 2.1 80.00 7.3 x 7.3 x 4.5
744777122 22.0 1.4 1.7 90.00 7.3 x 7.3 x 4.5
7447779115 15.0 1.6 2.2 70.00 7.3 x 7.3 x 4.5
7447779118 18.0 1.5 2.1 80.00 7.3 x 7.3 x 4.5
7447779122 22.0 1.4 1.7 90.00 7.3 x 7.3 x 4.5
744778112 12.0 1.7 2.2 76.00 7.3 x 7.3 x 3.4
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
744778122 22.0 1.4 1.4 119.00 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
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
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
7447789122 22.0 1.4 1.4 119.00 7.3 x 7.3 x 3.5
744787150 15.0 2.3 2.1 52.00 7.8 x 7 x 5
744787180 18.0 2.2 1.9 67.00 7.8 x 7 x 5
744787220 22.0 1.8 1.7 88.00 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
784774122 22.0 1.3 1.5 109.00 5.2 x 5.8 x 4.85
784775115 15.0 1.9 2.2 44.00 7 x 7.8 x 5.5
784775118 18.0 1.9 2.1 53.00 7 x 7.8 x 5.5
784775122 22.0 1.8 1.8 65.00 7 x 7.8 x 5.5
784776122 22.0 2.0 2.1 51.00 9 x 10 x 5.9
784777220 22.0 1.4 1.8 180.00 7.3 x 7.3 x 4.3
784778220 22.0 1.6 1.6 156.00 7.3 x 7.3 x 3.5
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