IR3822M Buck Converter overview

Description

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Category
Sub-Category

IR3822M is a 14.00 V sync Buck Converter from with 4.00 A output current. The maximum 14.00 V input voltage can be regulated down into a 0.60 V to 12.00 V output voltage.

It requires are a typical inductor size of 1.50 µH, a typical external component count of 16 and achieves a peak efficiency of 88 %. Further IR3822M characteristics are a fixed 600 kHz switching frequency and 1 available package option(s): PQFN-15 .

For the IR3822M replacement search, please 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. 4.50 V
V-IN max. 14.00 V
I-OUT? 4.00 A
V-OUT min. 0.60 V
V-OUT max. 12.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 600 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK yes
Quiescent current max. 20000 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 140 °C
Inductor size typ. 1.50 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 88 %
Component count min. 16
current limit adjustable yes
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN PQFN-15
SO/SOIC
SOP
DIP
TO
DDPAK

IR3822M Datasheet

Link to the most up-to-date IR3822M datasheet and the product page for EVM, tools and support information.

IR3822M

IR3822M Sample stock and distributor price breaks

IR3822M prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 1

DIGI-KEY (2)

ProductStockPriceBuy
IR3822MTRPBF4000
40001.60 USD
Buy Now
IR3822MTRPBF3527
13.28 USD
102.94 USD
1002.41 USD
5002.05 USD
10001.73 USD
Buy Now
IR3822MTRPBF0
10.00 USD
Buy Now
IR3822MTR1PBF0
7500.00 USD
Buy Now

Available Distributors without stock: 5

AVNET-AMERICAS (0)

ProductStockPriceBuy
IR3822MTRPBF0
40001.73 USD
80001.67 USD
160001.61 USD
240001.55 USD
400001.52 USD
Buy Now

AVNET-ASIA (0)

ProductStockPriceBuy
IR3822MTRPBF0
40001.71 USD
80001.64 USD
160001.62 USD
240001.56 USD
400001.54 USD
Buy Now

AVNET-EUROPE (0)

ProductStockPriceBuy
IR3822MTRPBF0Buy Now

FUTURE (0)

ProductStockPriceBuy
IR3822MTRPBF0
40001.54 USD
Buy Now

Mouser-Electronics (0)

ProductStockPriceBuy
IR3822MTRPBFNone
40001.56 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with IR3822M stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to IR3822M. Optional, compare IR3822M side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% IR3821M IR3821M product overviewIR3821M product overview IRF PQFN-15
0% IR3822AM IR3822AM product overviewIR3822AM product overview IRF PQFN-15
0% XR76108 XR76108 product overviewXR76108 product overview Exar QFN-30

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of IR3822M.

V-IN max. 14 V, I-OUT 4 A, V-OUT min. 0.6 V, Frequency typ. 600 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404054010 1.0 4.9 8.0 12.00 5 x 5 x 4
744040630082 0.8 6.0 9.5 10.00 6 x 6 x 2.8
74404063010 1.0 5.2 7.5 10.00 6 x 6 x 2.8
744040640068 0.7 4.1 10.0 10.00 6 x 6 x 4.5
744065001 1.0 8.0 9.5 4.90 10 x 10 x 3.1
74407000082 0.8 6.2 5.5 8.50 8 x 8 x 2
7440710082 0.8 7.3 8.0 7.00 8 x 8 x 4.6
744373240068 0.7 5.5 10.0 16.00 4.45 x 4.06 x 2
74437324010 1.0 5.0 9.0 22.00 4.45 x 4.06 x 2
744383350068 0.7 4.1 8.1 25.00 3 x 3 x 1.5
744383360068 0.7 4.5 6.2 22.00 3 x 3 x 2
74438336010 1.0 4.0 5.0 26.00 3 x 3 x 2
744383560068 0.7 8.2 9.4 7.50 4.1 x 4.1 x 2.1
74438356010 1.0 7.2 9.0 12.00 4.1 x 4.1 x 2.1
7447462010 1.0 8.5 8.0 6.00 5.5 x 5.5 x 8.5
744772010 1.0 7.5 10.0 4.70 7.8 x 7.8 x 10
7447730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
7447779001 1.0 5.3 9.5 10.00 7.3 x 7.3 x 4.5
744778001 1.0 5.4 6.4 9.00 7.3 x 7.3 x 3.4
7447786001 1.0 5.0 5.5 28.00 5.9 x 6.2 x 5.1
7447789001 1.0 5.4 6.4 10.00 7.3 x 7.3 x 3.5
784383350068 0.7 4.1 8.1 25.00 3 x 3 x 1.5
7847730 1.0 4.0 5.7 14.00 4 x 4.5 x 3.5
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