NCV8843 Buck Converter overview

Description

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Category
Sub-Category

NCV8843 is a 40.00 V non-sync Buck Converter from with 1.50 A output current. The maximum 40.00 V input voltage can be regulated down into a 1.27 V to 40.00 V output voltage.

It requires are a typical inductor size of 18.00 µH, a typical external component count of 10 and achieves a peak efficiency of 90 %. Further NCV8843 characteristics are a fixed 340 kHz switching frequency and 2 available package option(s): DFN-18 SOIC-8 .

For the NCV8843 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. 4.00 V
V-IN max. 40.00 V
I-OUT? 1.50 A
V-OUT min. 1.27 V
V-OUT max. 40.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 340 kHz
Frequency fixed
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 190 kHz
Frequency adj./ ext.clock max 355 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 7500 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 185 °C
Inductor size typ. 18.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 yes
Light-Load-Mode no
Topology Buck
Peak Efficiency 90 %
Component count min. 10
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP
QFN/DFN DFN-18
SO/SOIC SOIC-8
SOP
DIP
TO
DDPAK

NCV8843 Datasheet

Link to the most up-to-date NCV8843 datasheet and the product page for EVM, tools and support information.

NCV8843

NCV8843 Sample stock and distributor price breaks

NCV8843 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with NCV8843 stock available

Available Distributors with stock: 3

Digi-Key

ProductStockPriceBuy
NCV8843MNR2GEVB 2
172.41 €
Buy Now
NCV8843MNR2G 0
25001.19 €
Buy Now
NCV8843PWG 0 Buy Now
NCV8843PWR2G 0 Buy Now
NCV8843DG 0 Buy Now
NCV8843DR2G 0 Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
NCV8843MNR2GEVB 5
181.25 $
Buy Now
NCV8843MNR2G 0
12.64 $
102.25 $
1001.95 $
2501.85 $
5001.66 $
10001.40 $
25001.33 $
50001.28 $
Buy Now
NCV8843DG 0 Buy Now
NCV8843PWG 0 Buy Now
NCV8843DR2G 0 Buy Now
NCV8843PWR2G 0 Buy Now
show stock=0hide stock=0

Rochester Electronics

ProductStockPriceBuy
NCV8843PWR2G 8875
10001.32 $
5001.39 $
1001.44 $
251.50 $
11.62 $
Buy Now
NCV8843MNR2GEVB 1
100095.03 $
500100.03 $
100104.14 $
25108.60 $
1116.96 $
Buy Now

Available Distributors without stock: 4

Arrow Electronics

ProductStockPriceBuy
NCV8843MNR2G 0 Buy Now

Avnet

ProductStockPriceBuy
NCV8843PWR2G 0
2501.29 $
2521.19 $
5021.19 $
12501.19 $
25001.19 $
Buy Now
NCV8843MNR2G 0
25001.79 €
50001.49 €
100001.39 €
150001.29 €
250001.19 €
Buy Now
NCV8843MNR2GEVB 0
494.39 $
693.69 $
1092.49 $
2091.39 $
4089.09 $
Buy Now
NCV8843MNR2GEVB 0
172.19 $
Buy Now

Newark element14

ProductStockPriceBuy
NCV8843MNR2GEVB 0
181.25 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
NCV8843MNR2GEVB 0
1120.66 SGD
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to NCV8843. Optional, compare NCV8843 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% TLE8366 TLE8366 product overviewTLE8366 product overview Infineon DSO-8
0% CS51411 CS51411 product overviewCS51411 product overview ON Semiconductor SOIC-8, DFN-18
0% CS51413 CS51413 product overviewCS51413 product overview ON Semiconductor SOIC-8, DFN-18
0% NCV51411 NCV51411 product overviewNCV51411 product overview ON Semiconductor SOIC-8, DFN-18
0% NCV8842 NCV8842 product overviewNCV8842 product overview ON Semiconductor DFN-18
10% MAX16977 MAX16977 product overviewMAX16977 product overview Maxim TSSOP-EP-16, TQFN-16
10% NCV890201 NCV890201 product overviewNCV890201 product overview ON Semiconductor DFN-10
10% A7985A A7985A product overviewA7985A product overview ST HSOP-8
25% NCV890101 NCV890101 product overviewNCV890101 product overview ON Semiconductor DFN-10
25% NCV890131 NCV890131 product overviewNCV890131 product overview ON Semiconductor DFN-10
50% MAX16975 MAX16975 product overviewMAX16975 product overview Maxim QSOP-EP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of NCV8843.

V-IN max. 40 V, I-OUT 1.5 A, V-OUT min. 1.27 V, Frequency typ. 340 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404052056 5.6 2.1 2.6 67.50 5 x 5 x 2
74404052068 6.8 1.9 2.4 82.70 5 x 5 x 2
74404052075 7.5 1.7 2.1 96.80 5 x 5 x 2
74404054068 6.8 2.5 3.2 43.00 5 x 5 x 4
74404063068 6.8 2.4 2.8 47.00 6 x 6 x 2.8
74404063082 8.2 2.3 2.5 55.00 6 x 6 x 2.8
744053005 5.3 2.3 1.9 30.00 5.8 x 5.8 x 3
744062006 6.2 1.9 1.8 40.00 6.8 x 6.8 x 2.5
7440650068 6.8 4.2 3.6 25.00 10 x 10 x 3.1
7440650082 8.2 3.8 2.8 28.50 10 x 10 x 3.1
7440700056 5.6 2.6 2.0 47.00 8 x 8 x 2
7440700068 6.8 2.4 1.8 56.00 8 x 8 x 2
74408943068 6.8 2.0 2.7 51.00 4.8 x 4.8 x 4.1
74408943082 8.2 1.8 2.2 70.00 4.8 x 4.8 x 4.1
74437321056 5.6 1.6 2.7 180.00 4.45 x 4.06 x 1.2
74437324068 6.8 1.8 3.5 150.00 4.45 x 4.06 x 2
74437324082 8.2 1.6 2.8 158.00 4.45 x 4.06 x 2
74438336068 6.8 1.6 2.9 168.00 3 x 3 x 2
7447462068 6.8 3.3 3.0 27.00 5.5 x 5.5 x 8.5
744773056 5.6 1.6 2.4 69.00 4 x 4.5 x 3.5
744773068 6.8 1.5 2.1 76.00 4 x 4.5 x 3.5
744773082 8.2 1.5 1.8 116.00 4 x 4.5 x 3.5
7447779006 6.8 2.9 3.3 33.00 7.3 x 7.3 x 4.5
7447779008 8.2 2.7 3.0 47.00 7.3 x 7.3 x 4.5
7447785006 6.8 2.3 2.0 79.00 5.9 x 6.2 x 3.3
7447786006 6.8 2.5 2.3 62.00 5.9 x 6.2 x 5.1
7447786008 8.2 2.3 2.1 66.00 5.9 x 6.2 x 5.1
7447789006 6.8 2.5 2.8 41.50 7.3 x 7.3 x 3.5
744779068 6.8 2.2 2.8 27.00 6 x 6 x 6.5
744787068 6.8 3.0 3.0 27.00 7.8 x 7 x 5
744787082 8.2 2.7 2.8 33.00 7.8 x 7 x 5
784773056 5.6 1.6 2.4 69.00 4 x 4.5 x 3.5
784773068 6.8 1.5 2.1 76.00 4 x 4.5 x 3.5
784773082 8.2 1.5 1.8 116.00 4 x 4.5 x 3.5
784775082 8.2 3.2 3.2 24.00 7 x 7.8 x 5.5
784777068 6.8 2.2 3.2 83.00 7.3 x 7.3 x 4.3
784777082 8.2 2.0 2.8 97.50 7.3 x 7.3 x 4.3
784778068 6.8 2.3 2.5 79.00 7.3 x 7.3 x 3.5
784778082 8.2 2.2 2.4 86.00 7.3 x 7.3 x 3.5
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