R1224N-E-4.5 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

R1224N-E-4.5 is a 1 channel, 1 phase non-sync Buck Controller. The maximum input voltage ranges from 2.30 V to 18.50 V and output current goes up to 1.50 A.

The Controller features fixed 300 kHz switching frequency which results in a typical inductor size of 10.0 uH and a peak efficiency of 90 %. The R1224N-E-4.5 is available in 1 package option(s): SOT23-5 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
V-IN min. 2.30 V
V-IN max. 18.50 V
I-OUT? 1.50 A
V-OUT min. 4.50 V
V-OUT max. 4.50 V
V-OUT 5
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 300 kHz
Frequency adj. fixed
Frequency adj. min.
Frequency adj. max.
ext.clock sync. no
ext.clock Frequency min.
ext.clock Frequency max.
Softstart yes
Softstart adjustable no
Tracking no
Power Good (PG) no
Enable yes
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 10.0 uH
Automotive AEC-Q100 no
Light-Load Mode yes
Single/ Multiphase single
Nr. of Phases 1
Peak Efficiency 90 %
component count min. 7
current limit adjustable no
Nr.of package options 1
CSP
SOT SOT23-5
MSOP
QFN/DFN
SO/SOIC
SOP
DIP

R1224N-E-4.5 Datasheet

Link to the most up-to-date R1224N-E-4.5 datasheet and the product page for EVM, tools and support information.

R1224N-E-4.5

R1224N-E-4.5 inventory, samples and price

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Available Distributors with stock: 1

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Table with equivalents and alternatives

The following Buck Controller are similar to R1224N-E-4.5. Or, compare R1224N-E-4.5 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% R1225N-45-A R1225N-45-A product overviewR1225N-45-A product overview Ricoh SOT23-5
0% R1225N-45-B R1225N-45-B product overviewR1225N-45-B product overview Ricoh SOT23-5
0% R1225N-45-J R1225N-45-J product overviewR1225N-45-J product overview Ricoh SOT23-5
0% R1224N-F-4.5 R1224N-F-4.5 product overviewR1224N-F-4.5 product overview Ricoh SOT23-5
0% R1224N-L-4.5 R1224N-L-4.5 product overviewR1224N-L-4.5 product overview Ricoh SOT23-5

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of R1224N-E-4.5.

V-IN max. 18.5 V, I-OUT 1.5 A, V-OUT min. 4.5 V, Frequency typ. 300 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404054150 15.0 2.0 2.2 86.00 5 x 5 x 4
74404064150 15.0 2.1 2.7 68.00 6 x 6 x 4.5
74404064180 18.0 1.9 2.4 81.00 6 x 6 x 4.5
74404064220 22.0 1.8 2.2 89.00 6 x 6 x 4.5
74404084150 15.0 2.6 3.2 47.00 8 x 8 x 4.2
74404084180 18.0 2.4 2.9 53.00 8 x 8 x 4.2
74404084220 22.0 2.1 2.6 69.00 8 x 8 x 4.2
744065150 15.0 2.2 2.3 69.00 10 x 10 x 3.1
744065220 22.0 1.8 1.9 104.00 10 x 10 x 3.1
744066150 15.0 3.2 3.3 37.00 10 x 10 x 4.1
744066180 18.0 2.8 3.0 54.00 10 x 10 x 4.1
744066220 22.0 2.5 2.3 55.80 10 x 10 x 4.1
744071150 15.0 2.8 2.3 46.00 8 x 8 x 4.6
744071220 22.0 2.3 1.9 65.00 8 x 8 x 4.6
7447471220 22.0 3.7 3.0 38.00 10.5 x 10.5 x 11.5
7447713150 15.0 2.2 3.4 74.00 10 x 10 x 3
7447713220 22.0 1.7 2.7 111.00 10 x 10 x 3
7447714220 22.0 3.0 3.6 42.00 10 x 10 x 5
7447715180 18.0 3.2 3.2 37.00 12 x 12 x 4.5
7447715220 22.0 2.9 3.1 45.00 12 x 12 x 4.5
7447720150 15.0 2.4 3.0 33.40 7.8 x 7.8 x 10
7447720180 18.0 3.1 3.5 41.00 7.8 x 7.8 x 10
744772200 20.0 2.6 3.5 38.00 7.8 x 7.8 x 10
744772220 22.0 2.3 3.6 51.34 7.8 x 7.8 x 10
744775115 15.0 1.9 2.2 43.90 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
744776115 15.0 2.5 2.9 34.00 9 x 10 x 5.9
744776118 18.0 2.4 2.4 42.80 9 x 10 x 5.9
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
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
7447798221 22.0 4.7 3.5 33.00 10.2 x 10.2 x 6.4
7447798241 24.0 4.5 3.3 35.00 10.2 x 10.2 x 6.4
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
784771220 22.0 3.2 3.5 33.50 12 x 12 x 8.3
784774115 15.0 1.5 1.9 89.00 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
784776115 15.0 2.5 2.9 34.00 9 x 10 x 5.9
784776118 18.0 2.4 2.4 43.00 9 x 10 x 5.9
784776122 22.0 2.0 2.1 51.00 9 x 10 x 5.9
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