LM2574HV Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LM2574HV is a 60.00 V non-sync Buck Converter from with 0.50 A output current. The maximum 60.00 V input voltage can be regulated down into a 1.23 V to 57.00 V output voltage.

It requires are a typical inductor size of 330.00 µH, a typical external component count of 6 and achieves a peak efficiency of 88 %. Further LM2574HV characteristics are a fixed 52 kHz switching frequency and 2 available package option(s): SOIC-14 PDIP-8 .

For the LM2574HV 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. 60.00 V
I-OUT? 0.50 A
V-OUT min. 1.23 V
V-OUT max. 57.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 52 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 5000 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 330.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 88 %
Component count min. 6
current limit adjustable no
Nr.of packages 2
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SOIC-14
SOP
DIP PDIP-8
TO
DDPAK

LM2574HV Datasheet

Link to the most up-to-date LM2574HV datasheet and the product page for EVM, tools and support information.

LM2574HV

LM2574HV Sample stock and distributor price breaks

LM2574HV prices and online available distributors.

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no online Distributor with LM2574HV stock available

Available Distributors with stock: 0

no online Distributor with LM2574HV stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LM2574HV. Optional, compare LM2574HV side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% MAX5033 MAX5033 product overviewMAX5033 product overview Maxim PDIP-8, SOIC-8
0% MAX5035 MAX5035 product overviewMAX5035 product overview Maxim PDIP-8, SOIC-8
0% LM2575HV LM2575HV product overviewLM2575HV product overview Texas Instruments TO-263, TO-220-5, PDIP-16, SOIC-24
0% LM2590HV LM2590HV product overviewLM2590HV product overview Texas Instruments TO-263, TO-220-7
0% LM2590HV-AQ-Q1 LM2590HV-AQ-Q1 product overviewLM2590HV-AQ-Q1 product overview Texas Instruments TO-263, TO-220-7
0% LM2591HV LM2591HV product overviewLM2591HV product overview Texas Instruments TO-263, TO-220-5
0% LM2594HV LM2594HV product overviewLM2594HV product overview Texas Instruments PDIP-8, SOIC-8
0% LM2597HV LM2597HV product overviewLM2597HV product overview Texas Instruments PDIP-8, SOIC-8
0% TL2575HV TL2575HV product overviewTL2575HV product overview Texas Instruments TO263-5, TO220-5, PDIP-16
10% MP2456 MP2456 product overviewMP2456 product overview MPS TSOT23-6
10% MP2459 MP2459 product overviewMP2459 product overview MPS TSOT23-6
10% MPQ2459 MPQ2459 product overviewMPQ2459 product overview MPS TSOT23-6
10% MPQ2459-AEC1 MPQ2459-AEC1 product overviewMPQ2459-AEC1 product overview MPS TSOT23-6
25% LT1676 LT1676 product overviewLT1676 product overview Linear Technology SO-8
25% LT1777 LT1777 product overviewLT1777 product overview Linear Technology SO-16
25% LT3437 LT3437 product overviewLT3437 product overview Linear Technology TSSOP-16, DFN-10
50% AS7620A AS7620A product overviewAS7620A product overview AMS MLPQ-12
50% E522.05 E522.05 product overviewE522.05 product overview Elmos TSSOP-16, QFN-20
50% E522.06 E522.06 product overviewE522.06 product overview Elmos TSSOP-16, QFN-20
50% LT1934 LT1934 product overviewLT1934 product overview Linear Technology DFN-6, TSOT23-6
50% LT3470A LT3470A product overviewLT3470A product overview Linear Technology DFN-8
50% LT3502 LT3502 product overviewLT3502 product overview Linear Technology DFN-8, MSOP-10
50% LT3502A LT3502A product overviewLT3502A product overview Linear Technology DFN-8, MSOP-10
50% LM2574 LM2574 product overviewLM2574 product overview Micrel DIP-8
50% LM2574 LM2574 product overviewLM2574 product overview ON Semiconductor PDIP-8, SOIC-16W
50% LM2594 LM2594 product overviewLM2594 product overview ON Semiconductor PDIP-8, SOIC-8
50% BD9G101 BD9G101 product overviewBD9G101 product overview Rohm SOT-23
50% LM22674 LM22674 product overviewLM22674 product overview Texas Instruments SO-8
50% LM22674-Q1 LM22674-Q1 product overviewLM22674-Q1 product overview Texas Instruments SO-8
50% LM2574 LM2574 product overviewLM2574 product overview Texas Instruments PDIP-8, SOIC-14
50% LM2594 LM2594 product overviewLM2594 product overview Texas Instruments PDIP-8, SOIC-8
50% LM2597 LM2597 product overviewLM2597 product overview Texas Instruments PDIP-8, SOIC-8
50% LM2671 LM2671 product overviewLM2671 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16
50% LM2674 LM2674 product overviewLM2674 product overview Texas Instruments PDIP-8, SOIC-8, WSON-16
50% LM2841X LM2841X product overviewLM2841X product overview Texas Instruments SOT23-6
50% LM2841X-Q1 LM2841X-Q1 product overviewLM2841X-Q1 product overview Texas Instruments SOT23-6
50% LM2841Y LM2841Y product overviewLM2841Y product overview Texas Instruments SOT23-6
50% LM2841Y-Q1 LM2841Y-Q1 product overviewLM2841Y-Q1 product overview Texas Instruments SOT23-6
50% LMR14203 LMR14203 product overviewLMR14203 product overview Texas Instruments SOT23-6
50% E522.75 E522.75 product overviewE522.75 product overview Elmos SOIC-8-EP
50% E522.76 E522.76 product overviewE522.76 product overview Elmos SOIC-8-EP

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LM2574HV.

V-IN max. 60 V, I-OUT 0.5 A, V-OUT min. 1.23 V, Frequency typ. 52 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404064121 120.0 0.8 1.0 520.00 6 x 6 x 4.5
74404064151 150.0 0.8 0.9 570.00 6 x 6 x 4.5
744065121 120.0 0.9 0.9 428.00 10 x 10 x 3.1
744065151 150.0 0.9 0.8 530.00 10 x 10 x 3.1
744066151 150.0 1.0 1.1 350.00 10 x 10 x 4.1
744732121 120.0 1.0 1.1 340.00 9 x 9 x 8
7447471151 150.0 1.4 1.2 210.00 10.5 x 10.5 x 11.5
744771218 180.0 1.1 1.2 242.00 12 x 12 x 6
7447713151 150.0 0.7 1.1 570.00 10 x 10 x 3
7447720151 150.0 1.1 1.2 243.00 7.8 x 7.8 x 10
7447720181 180.0 1.0 1.1 287.00 7.8 x 7.8 x 10
744772121 120.0 0.9 1.0 181.00 7.8 x 7.8 x 10
744775210 120.0 0.7 0.8 308.00 7 x 7.8 x 5.5
744775215 150.0 0.6 0.7 466.60 7 x 7.8 x 5.5
744776212 120.0 0.9 1.0 243.00 9 x 10 x 5.9
744776215 150.0 0.8 0.9 300.00 9 x 10 x 5.9
744776218 180.0 0.8 0.8 320.00 9 x 10 x 5.9
744777212 120.0 0.7 0.7 400.00 7.3 x 7.3 x 4.5
744777215 150.0 0.5 0.6 660.00 7.3 x 7.3 x 4.5
7447779212 120.0 0.7 0.7 396.00 7.3 x 7.3 x 4.5
7447779215 150.0 0.5 0.6 529.00 7.3 x 7.3 x 4.5
744778212 120.0 0.6 0.7 634.00 7.3 x 7.3 x 3.4
7447789212 120.0 0.6 0.7 563.00 7.3 x 7.3 x 3.5
744787121 120.0 0.7 0.8 545.00 7.8 x 7 x 5
744787151 150.0 0.7 0.7 610.00 7.8 x 7 x 5
744787181 180.0 0.7 0.6 673.00 7.8 x 7 x 5
784775212 120.0 0.7 0.8 340.00 7 x 7.8 x 5.5
784775215 150.0 0.6 0.7 467.00 7 x 7.8 x 5.5
784776212 120.0 0.9 1.0 243.00 9 x 10 x 5.9
784776215 150.0 0.8 0.9 300.00 9 x 10 x 5.9
784776218 180.0 0.8 0.8 320.00 9 x 10 x 5.9
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