CS51414 Buck Converter overview

Description

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CS51414 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 15.00 µH, a typical external component count of 9 and achieves a peak efficiency of 92 %. Further CS51414 characteristics are a fixed 520 kHz switching frequency and 1 available package option(s): SOIC-8 .

For the CS51414 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. 4.50 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. 520 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 6250 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 185 °C
Inductor size typ. 15.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 yes
Light-Load-Mode no
Topology Buck
Peak Efficiency 92 %
Component count min. 9
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SOIC-8
SOP
DIP
TO
DDPAK

CS51414 Datasheet

Link to the most up-to-date CS51414 datasheet and the product page for EVM, tools and support information.

CS51414

CS51414 Sample stock and distributor price breaks

CS51414 prices and online available distributors.

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List of equivalents and alternatives

The following DC/DC Buck Converter are similar to CS51414. Optional, compare CS51414 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% CS51412 CS51412 product overviewCS51412 product overview ON Semiconductor SOIC-8
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% LM22676-Q1 LM22676-Q1 product overviewLM22676-Q1 product overview Texas Instruments SO-8
10% MAX16977 MAX16977 product overviewMAX16977 product overview Maxim TSSOP-EP-16, TQFN-16
10% NCV890200 NCV890200 product overviewNCV890200 product overview ON Semiconductor SOIC-8
10% NCV890201 NCV890201 product overviewNCV890201 product overview ON Semiconductor DFN-10
10% A7985A A7985A product overviewA7985A product overview ST HSOP-8
10% TPS5420-Q1 TPS5420-Q1 product overviewTPS5420-Q1 product overview Texas Instruments SOIC-8
25% NCV890100 NCV890100 product overviewNCV890100 product overview ON Semiconductor SOIC-8, DFN-8
25% NCV890101 NCV890101 product overviewNCV890101 product overview ON Semiconductor DFN-10
25% NCV890130 NCV890130 product overviewNCV890130 product overview ON Semiconductor SOIC-8, DFN-8
25% NCV890131 NCV890131 product overviewNCV890131 product overview ON Semiconductor DFN-10
25% R1245-A-B-AEC R1245-A-B-AEC product overviewR1245-A-B-AEC product overview Ricoh HSOP-8
25% R1245-C-D-AEC R1245-C-D-AEC product overviewR1245-C-D-AEC product overview Ricoh HSOP-8
25% R1245-E-F-AEC R1245-E-F-AEC product overviewR1245-E-F-AEC product overview Ricoh HSOP-8
25% R1245-G-H-AEC R1245-G-H-AEC product overviewR1245-G-H-AEC product overview Ricoh HSOP-8
50% MAX16975 MAX16975 product overviewMAX16975 product overview Maxim QSOP-EP-16
50% MAX5035 MAX5035 product overviewMAX5035 product overview Maxim PDIP-8, SOIC-8
50% LM22675-Q1 LM22675-Q1 product overviewLM22675-Q1 product overview Texas Instruments SO-8
50% LM2590HV-AQ-Q1 LM2590HV-AQ-Q1 product overviewLM2590HV-AQ-Q1 product overview Texas Instruments TO-263, TO-220-7
50% LM2734X-Q1 LM2734X-Q1 product overviewLM2734X-Q1 product overview Texas Instruments SOT23-6
50% LM2734Y-Q1 LM2734Y-Q1 product overviewLM2734Y-Q1 product overview Texas Instruments SOT23-6
50% LM2734Z-Q1 LM2734Z-Q1 product overviewLM2734Z-Q1 product overview Texas Instruments WQFN-6, SOT23-6
50% TPS5410-Q1 TPS5410-Q1 product overviewTPS5410-Q1 product overview Texas Instruments SOIC-8

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of CS51414.

V-IN max. 40 V, I-OUT 1.5 A, V-OUT min. 1.27 V, Frequency typ. 520 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404041047 4.7 1.6 1.9 91.00 4 x 4 x 1.2
74404042047 4.7 1.7 2.2 70.00 4 x 4 x 1.8
74404052039 3.9 2.4 2.8 50.50 5 x 5 x 2
74404052047 4.7 2.3 2.7 55.90 5 x 5 x 2
74404052056 5.6 2.1 2.6 67.50 5 x 5 x 2
74404063047 4.7 3.1 3.3 30.00 6 x 6 x 2.8
7440520039 3.9 2.0 2.1 50.00 5.8 x 5.8 x 2
744052005 5.0 1.7 1.8 50.00 5.8 x 5.8 x 2
744053004 4.2 2.5 2.2 30.00 5.8 x 5.8 x 3
7440530047 4.7 2.4 2.0 30.00 5.8 x 5.8 x 3
744053005 5.3 2.3 1.9 30.00 5.8 x 5.8 x 3
744062005 5.0 2.2 2.0 40.00 6.8 x 6.8 x 2.5
744062006 6.2 1.9 1.8 40.00 6.8 x 6.8 x 2.5
7440690047 4.7 2.2 1.8 56.00 8 x 8 x 1.5
7440700047 4.7 3.0 2.2 37.00 8 x 8 x 2
7440700056 5.6 2.6 2.0 47.00 8 x 8 x 2
74408941035 3.5 1.5 2.8 113.00 4.8 x 4.8 x 2.1
74408942047 4.7 1.6 2.9 86.80 4.8 x 4.8 x 3.1
74408943047 4.7 2.2 3.2 45.00 4.8 x 4.8 x 4.1
74437321047 4.7 1.9 3.3 128.00 4.45 x 4.06 x 1.2
74437321056 5.6 1.6 2.7 180.00 4.45 x 4.06 x 1.2
74438335047 4.7 1.5 2.8 141.00 3 x 3 x 1.5
744773039 3.9 1.9 2.6 54.00 4 x 4.5 x 3.5
744773047 4.7 1.8 2.5 59.00 4 x 4.5 x 3.5
744773056 5.6 1.6 2.4 69.00 4 x 4.5 x 3.5
7447785004 4.7 2.2 2.5 60.00 5.9 x 6.2 x 3.3
7447786004 4.7 2.8 2.8 57.00 5.9 x 6.2 x 5.1
744787047 4.7 3.3 3.6 24.30 7.8 x 7 x 5
78438335047 4.7 1.5 2.8 141.00 3 x 3 x 1.5
784773039 3.9 1.9 2.6 54.00 4 x 4.5 x 3.5
784773047 4.7 1.8 2.5 59.00 4 x 4.5 x 3.5
784773056 5.6 1.6 2.4 69.00 4 x 4.5 x 3.5
784778047 4.7 2.4 3.1 66.00 7.3 x 7.3 x 3.5
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