NCP1421 Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

NCP1421 is a 5.00 V, 1.50 A switch current limit sync Boost Converter from . The input voltage from 1.00 V to 5.50 V  can be boosted into an output voltage ranging from 1.50 V to 5.00 V.

Features of the Boost Converter are fixed 1200 kHz switching frequency, a typical inductor size of 6.5 µH and it offers a peak efficiency of  up to 94 %. The minimum external component count is 9 and NCP1421 is available in 1 package option(s): Micro8™-8 .

For NCP1421 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. 1.00 V
V-IN max. 5.50 V
Current-Limit typ.? 1.50 A
V-OUT min. 1.50 V
V-OUT max. 5.00 V
VOUT adjustable
VOUT programmable no
sync/non-sync sync
Frequency typ. 1200 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. 14 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. 6.5 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Boost
Peak Efficiency 94 %
Component count min. 9
current limit adjustable no
Nr.of package options 1
CSP
SC70
SOT
MSOP Micro8™-8
QFN/DFN
SO/SOIC
SOP
DIP
TO
DDPAK

NCP1421 Datasheet

Link to the most up-to-date NCP1421 datasheet and the product page for EVM, tools and support information.

NCP1421

NCP1421 Price breaks and distributor sample stock

NCP1421 prices and available online distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with NCP1421 stock available

Available Distributors with stock: 0

no online Distributor with NCP1421 stock available

Alternatives and equivalents

The following DC/DC Boost Converter are similar to NCP1421. Optional, compare NCP1421 side-by-side with other Boost Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% NCP1422 NCP1422 product overviewNCP1422 product overview ON Semiconductor DFN-10
0% TPS61020 TPS61020 product overviewTPS61020 product overview Texas Instruments QFN-10
0% TPS61029 TPS61029 product overviewTPS61029 product overview Texas Instruments QFN-10
0% TPS61029-Q1 TPS61029-Q1 product overviewTPS61029-Q1 product overview Texas Instruments QFN-10
10% MAX1703 MAX1703 product overviewMAX1703 product overview Maxim Integrated SOIC-16
10% MAX1763 MAX1763 product overviewMAX1763 product overview Maxim Integrated TSSOP-EP-16
25% MAX1701 MAX1701 product overviewMAX1701 product overview Maxim Integrated QSOP-16
25% MAX1705 MAX1705 product overviewMAX1705 product overview Maxim Integrated QSOP-16
25% RT9276 RT9276 product overviewRT9276 product overview Richtek WDFN-10
50% NCP1423 NCP1423 product overviewNCP1423 product overview ON Semiconductor Micro-10
50% TPS61028 TPS61028 product overviewTPS61028 product overview Texas Instruments QFN-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of NCP1421.

V-IN min. 1 V, Current-Limit typ. 1.5 A, V-OUT max. 5 V, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74407000018 0.2 9.0 9.0 3.51 8 x 8 x 2
744373240022 0.2 9.5 17.0 6.60 4.45 x 4.06 x 2
0Results
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Feedback
ajax-loader.gif
Loading. Please wait.