NCV5171 Boost Converter Overview



NCV5171 is a 30.00 V, 1.90 A switch current limit non-sync Boost Converter from . The input voltage from 2.70 V to 30.00 V  can be boosted into an output voltage ranging from 3.00 V to 30.00 V.

Features of the Boost Converter are fixed 280 kHz switching frequency, a typical inductor size of 22.0 µH and it offers a peak efficiency of  up to 80 %. The minimum external component count is 8 and NCV5171 is available in 1 package option(s): SOIC-8 .

For NCV5171 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.

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V-IN min. 2.70 V
V-IN max. 30.00 V
Current-Limit typ.? 1.90 A
V-OUT min. 3.00 V
V-OUT max. 30.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync non-sync
Frequency typ. 280 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. yes
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Frequency sync. min. 320 kHz
Frequency sync. max. 500 kHz
Down Mode no
Quiescent current max. 8000 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 180 °C
Inductor size typ. 22.0 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 yes
Light-Load-Mode no
Topology Boost
Peak Efficiency 80 %
Component count min. 8
current limit adjustable no
Nr.of package options 1

NCV5171 Datasheet

Link to the most up-to-date NCV5171 datasheet and the product page for EVM, tools and support information.


NCV5171 Price breaks and distributor sample stock

NCV5171 prices and available online distributors.

Available Distributors with stock: 0

no online Distributor with NCV5171 stock available

Available Distributors with stock: 0

no online Distributor with NCV5171 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to NCV5171. Optional, compare NCV5171 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% CS5171 CS5171 product overviewCS5171 product overview ON Semiconductor SOIC-8
0% CS5173 CS5173 product overviewCS5173 product overview ON Semiconductor SOIC-8
0% NCV5173 NCV5173 product overviewNCV5173 product overview ON Semiconductor SOIC-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of NCV5171.

V-IN min. 2.7 V, Current-Limit typ. 1.9 A, V-OUT max. 30 V, Frequency typ. 280 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
7443320082 0.8 24.0 36.0 1.85 12.1 x 11.4 x 10
7443320100 1.0 24.0 32.0 1.85 12.1 x 11.4 x 10
744355090 0.9 24.0 28.0 1.62 13 x 12.8 x 5
7443551130 1.3 25.0 25.0 1.70 13.2 x 12.8 x 6.5
744355182 0.8 27.0 35.0 1.04 13 x 12.8 x 6.5
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