NCP1423 Boost Converter Overview

Description

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NCP1423 is a 3.30 V, 1.20 A switch current limit sync Boost Converter from . The input voltage from 0.80 V to 6.00 V  can be boosted into an output voltage ranging from 1.80 V to 3.30 V.

Features of the Boost Converter are fixed 600 kHz switching frequency, a typical inductor size of 5.6 µH and it offers a peak efficiency of  up to 92 %. The minimum external component count is 10 and NCP1423 is available in 1 package option(s): Micro-10 .

For NCP1423 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. 0.80 V
V-IN max. 6.00 V
Current-Limit typ.? 1.20 A
V-OUT min. 1.80 V
V-OUT max. 3.30 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 600 kHz
Frequency adjustable fixed
Frequency selectable
Frequency adj. min.
Frequency adj. max.
extern clock sync. no
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
LBI/LBO yes
Frequency sync. min.
Frequency sync. max.
Down Mode no
Quiescent current max. 12 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 150 °C
thermal shutdown typ. 145 °C
Inductor size typ. 5.6 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 92 %
Component count min. 10
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP Micro-10
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

NCP1423 Datasheet

Link to the most up-to-date NCP1423 datasheet and the product page for EVM, tools and support information.

NCP1423

NCP1423 Price breaks and distributor sample stock

NCP1423 prices and available online distributors.

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Available Distributors with stock: 0

no online Distributor with NCP1423 stock available

Available Distributors with stock: 0

no online Distributor with NCP1423 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to NCP1423. Optional, compare NCP1423 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
10% TPS61020 TPS61020 product overviewTPS61020 product overview Texas Instruments QFN-10
25% NCP1421 NCP1421 product overviewNCP1421 product overview ON Semiconductor Micro8u2122-8
25% NCP1422 NCP1422 product overviewNCP1422 product overview ON Semiconductor DFN-10
50% LTC3537 LTC3537 product overviewLTC3537 product overview Linear Technology QFN-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of NCP1423.

V-IN min. 0.8 V, Current-Limit typ. 1.2 A, V-OUT max. 3.3 V, Frequency typ. 600 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74407000047 0.5 7.8 6.5 5.80 8 x 8 x 2
744373210047 0.5 5.4 9.0 18.00 4.45 x 4.06 x 1.2
744373240056 0.6 6.0 10.5 13.50 4.45 x 4.06 x 2
744383560056 0.6 8.5 10.8 7.00 4.1 x 4.1 x 2.1
744778005 0.5 5.6 9.0 7.20 7.3 x 7.3 x 3.4
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