R1210N-281D Boost Converter Overview

Description

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DC/DC Converter
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R1210N-281D is a 2.80 V, 0.13 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 2.80 V to 2.80 V.

Features of the Boost Converter are fixed 180 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-281D is available in 1 package option(s): SOT23-5 .

For R1210N-281D 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.? 0.13 A
V-OUT min. 2.80 V
V-OUT max. 2.80 V
VOUT 2.80
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 180 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-281D Datasheet

Link to the most up-to-date R1210N-281D datasheet and the product page for EVM, tools and support information.

R1210N-281D

R1210N-281D Price breaks and distributor sample stock

R1210N-281D prices and available online distributors.

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Available Distributors with stock: 2

Chip-One-Stop (1)

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R1210N501C-TR-FE100
50.82 USD
100.71 USD
500.58 USD
1000.50 USD
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Mouser-Electronics (2)

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Available Distributors without stock: 1

DIGI-KEY (0)

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Available Distributors with stock: 0

no online Distributor with R1210N stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to R1210N-281D. Optional, compare R1210N-281D side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% R1210N-281A R1210N-281A product overviewR1210N-281A product overview Ricoh SOT23-5
0% R1210N-281C R1210N-281C product overviewR1210N-281C product overview Ricoh SOT23-5
0% S-8353-2.8-250 S-8353-2.8-250 product overviewS-8353-2.8-250 product overview Seiko Instruments SOT23-5

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of R1210N-281D.

V-IN min. 0.9 V, Current-Limit typ. 0.125 A, V-OUT max. 2.8 V, Frequency typ. 180 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025150 15.0 0.7 0.9 356.00 2.8 x 2.8 x 3
744025220 22.0 0.5 0.8 525.00 2.8 x 2.8 x 3
74404024150 15.0 0.5 0.8 830.00 2.5 x 2 x 1.2
74404024180 18.0 0.5 0.7 830.00 2.5 x 2 x 1.2
74404024220 22.0 0.5 0.6 910.00 2.5 x 2 x 1.2
74404032150 15.0 0.7 0.8 300.00 3 x 3 x 1.5
74404032220 22.0 0.6 0.6 450.00 3 x 3 x 1.5
74404042220 22.0 0.7 1.1 290.00 4 x 4 x 1.8
744042150 15.0 1.0 0.8 190.00 4.8 x 4.8 x 2
744042180 18.0 0.9 0.7 270.00 4.8 x 4.8 x 2
744042220 22.0 0.9 0.6 280.00 4.8 x 4.8 x 2
744043150 15.0 1.0 0.8 120.00 4.8 x 4.8 x 3
744043180 18.0 1.0 0.7 150.00 4.8 x 4.8 x 3
744043220 22.0 0.9 0.7 160.00 4.8 x 4.8 x 3
744045180 18.0 0.7 1.1 480.00 4.5 x 3.2 x 2.9
744045220 22.0 0.6 1.0 560.00 4.5 x 3.2 x 2.9
744052150 15.0 1.0 1.1 175.00 5.8 x 5.8 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
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
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
744062220 22.0 1.2 1.0 100.00 6.8 x 6.8 x 2.5
7440680150 15.0 1.1 0.8 213.00 8 x 8 x 1.2
7440680180 18.0 0.9 0.8 302.00 8 x 8 x 1.2
7440680220 22.0 0.9 0.7 350.00 8 x 8 x 1.2
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
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
74408941220 22.0 0.7 1.1 549.00 4.8 x 4.8 x 2.1
7447785122 22.0 1.4 1.1 210.00 5.9 x 6.2 x 3.3
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