LT1074HV Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1074HV is a 64.00 V non-sync Buck Converter from with 4.40 A output current. The maximum 64.00 V input voltage can be regulated down into a 2.21 V to 45.00 V output voltage.

It requires are a typical inductor size of 50.00 µH, a typical external component count of 8 and achieves a peak efficiency of 88 %. Further LT1074HV characteristics are a fixed 100 kHz switching frequency and 2 available package option(s): TO-220 DD .

For the LT1074HV 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. 7.30 V
V-IN max. 64.00 V
I-OUT? 4.40 A
V-OUT min. 2.21 V
V-OUT max. 45.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 100 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart yes
Softstart adjustable yes
Tracking no
PG/Power OK no
Quiescent current max. 12000 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 50.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 88 %
Component count min. 8
current limit adjustable yes
Nr.of packages 2
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC
SOP
DIP
TO TO-220
DDPAK DD

LT1074HV Datasheet

Link to the most up-to-date LT1074HV datasheet and the product page for EVM, tools and support information.

LT1074HV

LT1074HV Sample stock and distributor price breaks

LT1074HV prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LT1074HV stock available

Available Distributors with stock: 10

Digi-Key

ProductStockPriceBuy
LT1074HVCT7#PBF 1500
50010.03 €
25010.72 €
10011.76 €
5012.80 €
1013.84 €
115.22 €
Buy Now
LT1074HVIT#PBF 1175
50012.24 €
25013.09 €
10014.36 €
5015.62 €
1016.89 €
118.58 €
Buy Now
LT1074HVCT#06PBF 968
10008.33 €
5009.08 €
2509.70 €
10010.64 €
5011.58 €
1012.52 €
113.77 €
Buy Now
LT1074HVCT#PBF 555
10008.33 €
5009.08 €
2509.70 €
10010.64 €
5011.58 €
1012.52 €
113.77 €
Buy Now
LT1074HVIT#06PBF 331
50012.24 €
25013.09 €
10014.36 €
5015.62 €
1016.89 €
118.58 €
Buy Now
LT1074HVCT7#06PBF 27
50010.03 €
25010.72 €
10011.76 €
5012.80 €
1013.84 €
115.22 €
Buy Now
LT1074HVIT7#06PBF 18
50012.28 €
25012.90 €
10014.05 €
5015.12 €
1016.46 €
117.79 €
Buy Now
LT1074HVIT7#PBF 0
50012.28 €
25012.90 €
10014.05 €
5015.12 €
1016.46 €
117.79 €
Buy Now
LT1074HVIT#30PBF 0
5014.99 €
Buy Now
LT1074HVIT7#35PBF 0
5015.76 €
Buy Now
show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LT1074HVIT7#35PBF 828
118.45 $
1017.48 $
5015.42 $
25013.88 $
Buy Now
LT1074HVCT#06PBF 108
115.61 $
1014.31 $
5010.35 $
2509.37 $
Buy Now
LT1074HVCT#PBF 44
115.61 $
1014.31 $
5010.35 $
2509.38 $
Buy Now
LT1074HVCT7#PBF 56
117.25 $
1015.81 $
5011.43 $
25010.36 $
Buy Now
LT1074HVIT7#PBF 0
117.71 $
1016.78 $
5014.81 $
25013.32 $
Buy Now
LT1074HVIT#PBF 0
116.81 $
1015.92 $
5014.05 $
25012.64 $
Buy Now
LT1074HVIT#06PBF 0
116.81 $
1015.92 $
5014.05 $
25012.64 $
Buy Now
LT1074HVCT7#06PBF 0
117.25 $
1015.81 $
5011.43 $
25010.36 $
Buy Now
LT1074HVIT#30PBF 0
5014.67 $
25013.20 $
Buy Now
LT1074HVIT7#06PBF 0
5014.81 $
25013.32 $
Buy Now
LT1074HVCT 0 Buy Now
LT1074HVIT7 0 Buy Now
LT1074HVIT 0 Buy Now
LT1074HVCT7 0 Buy Now
LT1074HVIT#06 0 Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1074HVCY 3 Buy Now
LT1074HVCT7 23 Buy Now
LT1074HVCT7#PBF 10 Buy Now
LT1074HVCT#PBF 8 Buy Now

Quest Components

ProductStockPriceBuy
LT1074HVIT 6
411.93 $
115.90 $
Buy Now
LT1074HVIT 4
413.50 $
118.00 $
Buy Now
LT1074HVIT06 240
2238.63 $
1089.00 $
115.00 $
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT1074HVCT7#PBF 131
118.10 $
316.00 $
1014.30 $
2513.10 $
Buy Now
LT1074HVCT#PBF 22
114.60 $
312.80 $
1011.50 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1074HVIT7 29

Schukat electronic

ProductStockPriceBuy
LT1074HVCTPBF 159
113.65 €
1010.05 €
509.15 €
1008.80 €
Buy Now

Chip 1 Exchange

ProductStockPriceBuy
LT1074HVCT 51

Chip1Stop

ProductStockPriceBuy
LT1074HVCT7#PBF 317
2008.60 $
1008.86 $
5010.80 $
1011.40 $
511.70 $
116.50 $
Buy Now
LT1074HVCT#PBF 340
1008.78 $
509.64 $
1010.90 $
115.80 $
Buy Now

RS Components

ProductStockPriceBuy
LT1074HVIT#PBF 20
2512.61 GBP
1012.85 GBP
Buy Now
LT1074HVIT#PBF 27
2512.61 GBP
1012.85 GBP
113.09 GBP
Buy Now
LT1074HVCT7#PBF 17
2512.22 GBP
1012.81 GBP
113.41 GBP
Buy Now
LT1074HVCT7#PBF 130
2512.22 GBP
1012.81 GBP
Buy Now
LT1074HVCT#PBF 165
2510.28 GBP
1011.20 GBP
Buy Now
LT1074HVCT#PBF 125
2510.28 GBP
1011.20 GBP
112.13 GBP
Buy Now

Available Distributors without stock: 2

Avnet

ProductStockPriceBuy
LT1074HVCT 0

Richardson RFPD

ProductStockPriceBuy
LT1074HVIT7#35PBF 0
5016.52 $
10016.03 $
50015.15 $
100014.74 $
500014.16 $
Buy Now
LT1074HVIT#PBF 0
5015.06 $
10014.61 $
50013.80 $
100013.42 $
500012.90 $
Buy Now
LT1074HVCT7#06PBF 0
5012.33 $
10011.97 $
50011.30 $
100011.00 $
500010.57 $
Buy Now
LT1074HVIT#30PBF 0
5015.72 $
10015.26 $
50014.41 $
100014.01 $
500013.47 $
Buy Now
LT1074HVIT#06PBF 0
5015.06 $
10014.61 $
50013.80 $
100013.42 $
500012.90 $
Buy Now
LT1074HVIT7#06PBF 0
5015.86 $
10015.39 $
50014.54 $
100014.14 $
500013.59 $
Buy Now
LT1074HVCT7#PBF 0
5012.33 $
10011.97 $
50011.30 $
100011.00 $
500010.57 $
Buy Now
LT1074HVIT7#PBF 0
5015.86 $
10015.39 $
50014.54 $
100014.14 $
500013.59 $
Buy Now
LT1074HVCT#06PBF 0
5011.16 $
10010.83 $
50010.23 $
10009.96 $
50009.57 $
Buy Now
LT1074HVCT#PBF 0
5011.16 $
10010.83 $
50010.23 $
10009.96 $
50009.57 $
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1074HV. Optional, compare LT1074HV side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
25% LT1074 LT1074 product overviewLT1074 product overview Linear Technology DD, TO-220
50% LM22673 LM22673 product overviewLM22673 product overview Texas Instruments TO263-7, SO-8
50% LM2673 LM2673 product overviewLM2673 product overview Texas Instruments DDPAK-7, TO-220-7, VSON-14

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1074HV.

V-IN max. 64 V, I-OUT 4.4 A, V-OUT min. 2.21 V, Frequency typ. 100 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
7443251000 10.0 7.5 8.5 16.30 10.5 x 10.2 x 5
7443251600 16.0 5.0 6.5 34.50 10.5 x 10.2 x 5
7443321000 10.0 9.0 10.0 15.35 12.1 x 11.4 x 10
7443331000 10.0 9.0 8.0 22.75 10.9 x 10 x 9.7
7443341000 10.0 4.4 7.0 38.50 8.4 x 7.9 x 7.5
7443550101 10.0 8.5 10.0 14.10 13 x 12.8 x 5
7443551111 11.3 11.0 9.5 9.10 13.2 x 12.8 x 6.5
7443551131 13.0 10.0 9.0 11.00 13.2 x 12.8 x 6.5
7443551151 15.4 9.0 8.0 14.00 13.2 x 12.8 x 6.5
744750230100 10.0 4.6 6.8 18.60 8.8 x 8.8 x 11
744750340150 15.0 5.6 8.5 17.20 10.8 x 10.8 x 13
744750420100 10.0 6.2 9.6 12.90 12.8 x 12.8 x 9
744750420150 15.0 5.1 7.9 21.30 12.8 x 12.8 x 9
744750460150 15.0 9.0 9.5 9.30 12.8 x 12.8 x 15.8
74477010 10.0 6.2 6.6 19.00 12 x 12 x 8
744770112 12.0 5.9 6.3 21.00 12 x 12 x 8
744770115 15.0 5.0 6.0 24.00 12 x 12 x 8
7447709100 10.0 7.1 10.5 12.90 12 x 12 x 10
7447709150 15.0 7.0 8.0 20.70 12 x 12 x 10
7447798111 11.0 6.9 5.3 14.00 10.2 x 10.2 x 6.4
784770100 10.0 5.0 6.8 26.00 12 x 12 x 8.3
7847709100 10.0 5.0 7.5 25.00 12 x 12 x 10.3
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