NCP1547 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

NCP1547 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 1.50 V to 24.00 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 82 %. Further NCP1547 characteristics are a fixed 340 kHz switching frequency and 2 available package option(s): DFN-18 SOIC-8 .

For the NCP1547 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. 1.50 V
V-OUT max. 24.00 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. 377 kHz
Frequency adj./ ext.clock max 710 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 7500 µA
Operating min.
Operating max.
Junction min. 0 °C
Junction max. 70 °C
thermal shutdown typ. 185 °C
Inductor size typ. 18.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 82 %
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

NCP1547 Datasheet

Link to the most up-to-date NCP1547 datasheet and the product page for EVM, tools and support information.

NCP1547

NCP1547 Sample stock and distributor price breaks

NCP1547 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with NCP1547 stock available

Available Distributors with stock: 1

Rochester Electronics

ProductStockPriceBuy
NCP1547DR2G 10000
10000.91 $
5000.96 $
1001.00 $
251.04 $
11.12 $
Buy Now

Available Distributors without stock: 3

Digi-Key

ProductStockPriceBuy
NCP1547DG 0 Buy Now
NCP1547DR2G 0 Buy Now
NCP1547MNR2G 0 Buy Now
NCP1547MNR2G 0 Buy Now

Avnet

ProductStockPriceBuy
NCP1547DR2G 0
36300.85 $
18150.87 $
10890.88 $
7260.90 $
3630.90 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
NCP1547MNR2G 0 Buy Now
NCP1547DG 0 Buy Now
NCP1547DR2G 0 Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to NCP1547. Optional, compare NCP1547 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% IFX91041EJ V IFX91041EJ V product overviewIFX91041EJ V product overview Infineon PG-DSO-8
0% TLE8366 TLE8366 product overviewTLE8366 product overview Infineon DSO-8
0% LT3434 LT3434 product overviewLT3434 product overview Linear Technology TSSOP-16
0% LT3435 LT3435 product overviewLT3435 product overview Linear Technology TSSOP-16
0% MAX16936 MAX16936 product overviewMAX16936 product overview Maxim TQFN-32
0% MAX5082 MAX5082 product overviewMAX5082 product overview Maxim TQFN-16
0% MAX5083 MAX5083 product overviewMAX5083 product overview Maxim TQFN-16
0% MAX5090 MAX5090 product overviewMAX5090 product overview Maxim TQFN-16
0% NJW4154 NJW4154 product overviewNJW4154 product overview New Japan Radio TO252-5, HSOP-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
0% NCV8843 NCV8843 product overviewNCV8843 product overview ON Semiconductor SOIC-8, DFN-18
0% BD9876 BD9876 product overviewBD9876 product overview Rohm HTSOP-8
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% NCV890231 NCV890231 product overviewNCV890231 product overview ON Semiconductor SOIC-8
10% A7985A A7985A product overviewA7985A product overview ST HSOP-8
25% IXD3250-3 IXD3250-3 product overviewIXD3250-3 product overview IXYS SOP-8
25% IXD3250-5 IXD3250-5 product overviewIXD3250-5 product overview IXYS SOP-8
25% IXD3251-3 IXD3251-3 product overviewIXD3251-3 product overview IXYS SOP-8
25% IXD3251-5 IXD3251-5 product overviewIXD3251-5 product overview IXYS SOP-8
25% LT1976 LT1976 product overviewLT1976 product overview Linear Technology TSSOP-16
25% LT1977 LT1977 product overviewLT1977 product overview Linear Technology TSSOP-16
25% NCV890101 NCV890101 product overviewNCV890101 product overview ON Semiconductor DFN-10
25% NCV890131 NCV890131 product overviewNCV890131 product overview ON Semiconductor DFN-10
25% XC9250-3 XC9250-3 product overviewXC9250-3 product overview Torex SOP-8
25% XC9250-5 XC9250-5 product overviewXC9250-5 product overview Torex SOP-8
25% XC9251-3 XC9251-3 product overviewXC9251-3 product overview Torex SOP-8
25% XC9251-5 XC9251-5 product overviewXC9251-5 product overview Torex SOP-8
25% XC9270-C XC9270-C product overviewXC9270-C product overview Torex SOP-8
25% XC9270-D XC9270-D product overviewXC9270-D product overview Torex SOP-8
25% XC9271-C XC9271-C product overviewXC9271-C product overview Torex SOP-8
25% XC9271-D XC9271-D product overviewXC9271-D product overview Torex SOP-8
50% MAX15014 MAX15014 product overviewMAX15014 product overview Maxim TQFN-36
50% MAX15015 MAX15015 product overviewMAX15015 product overview Maxim TQFN-36
50% MAX15016 MAX15016 product overviewMAX15016 product overview Maxim TQFN-36
50% MAX15017 MAX15017 product overviewMAX15017 product overview Maxim TQFN-36
50% MAX16975 MAX16975 product overviewMAX16975 product overview Maxim QSOP-EP-16
50% MAX5080 MAX5080 product overviewMAX5080 product overview Maxim TQFN-32
50% MAX5081 MAX5081 product overviewMAX5081 product overview Maxim TQFN-16
50% LM2672 LM2672 product overviewLM2672 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of NCP1547.

V-IN max. 40 V, I-OUT 1.5 A, V-OUT min. 1.5 V, Frequency typ. 340 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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
74404052100 10.0 1.6 2.0 109.00 5 x 5 x 2
74404054068 6.8 2.5 3.2 43.00 5 x 5 x 4
74404054100 10.0 2.1 2.5 64.00 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
74404063100 10.0 2.0 2.2 72.00 6 x 6 x 2.8
74404064100 10.0 2.5 3.5 48.00 6 x 6 x 4.5
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
744065100 10.0 3.0 2.5 40.00 10 x 10 x 3.1
7440700068 6.8 2.4 1.8 56.00 8 x 8 x 2
744071100 10.0 3.4 2.8 28.00 8 x 8 x 4.6
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
74408943100 10.0 1.7 2.1 82.00 4.8 x 4.8 x 4.1
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
74437324100 10.0 1.5 2.4 215.00 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
7447462100 10.0 2.5 2.6 55.00 5.5 x 5.5 x 8.5
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
74477510 10.0 2.3 3.0 40.00 7 x 7.8 x 5.5
74477610 10.0 3.0 3.2 27.50 9 x 10 x 5.9
74477710 10.0 2.0 2.6 45.00 7.3 x 7.3 x 4.5
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
744777910 10.0 2.0 2.6 45.00 7.3 x 7.3 x 4.5
74477810 10.0 1.8 2.2 68.00 7.3 x 7.3 x 3.4
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
744778610 10.0 2.1 1.8 74.00 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
744778910 10.0 1.8 2.2 64.00 7.3 x 7.3 x 3.5
744779068 6.8 2.2 2.8 27.00 6 x 6 x 6.5
744779100 10.0 1.9 2.1 38.60 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
744787100 10.0 2.6 2.6 36.50 7.8 x 7 x 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
78477410 10.0 2.2 2.5 78.00 5.2 x 5.8 x 4.85
784775082 8.2 3.2 3.2 24.00 7 x 7.8 x 5.5
78477510 10.0 2.3 3.0 40.00 7 x 7.8 x 5.5
78477610 10.0 3.0 3.2 28.00 9 x 10 x 5.9
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
784777100 10.0 1.9 2.6 105.00 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
784778100 10.0 1.9 2.2 105.00 7.3 x 7.3 x 3.5
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.