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: 14

Buerklin (1)

ProductStockPriceBuy
LT1074HVCT#PBF7Buy Now

Chip One Stop (1)

ProductStockPriceBuy
LT1074HVCT#PBF100
114.90 USD
1010.30 USD
509.74 USD
1008.28 USD
Buy Now

Conrad COM (3)

ProductStockPriceBuy
LT1074HVCT250Buy Now
LT1074HVCT7#PBF13Buy Now
LT1074HVIT#PBF2Buy Now

Conrad UK (3)

ProductStockPriceBuy
LT1074HVCT250Buy Now
LT1074HVCT7#PBF13Buy Now
LT1074HVIT#PBF2Buy Now

Digi-Key (7)

ProductStockPriceBuy
LT1074HVCT#PBF501
115.58 USD
2510.35 USD
1008.06 USD
Buy Now
LT1074HVCT#06PBF400
115.58 USD
2510.35 USD
1008.06 USD
Buy Now
LT1074HVIT#PBF475
116.81 USD
2513.45 USD
10010.86 USD
Buy Now
LT1074HVIT7#PBF571
117.71 USD
2514.17 USD
10011.42 USD
Buy Now
LT1074HVIT#06PBF574
116.81 USD
2513.45 USD
10010.86 USD
Buy Now
LT1074HVCT7#06PBF327
117.22 USD
2511.44 USD
1008.93 USD
Buy Now
LT1074HVCT7#PBF0
117.22 USD
2511.44 USD
1008.93 USD
Buy Now
LT1074HVIT7#06PBF22
117.71 USD
2514.17 USD
10011.42 USD
Buy Now
LT1074HVIT#30PBF0
100011.32 USD
Buy Now
LT1074HVIT7#35PBF0
100011.88 USD
Buy Now

Distrelec (1)

ProductStockPriceBuy
LT1074HVCT#PBF50Buy Now

Element14 (1)

ProductStockPriceBuy
LT1074HVCT#PBF7
123.76 USD
2515.78 USD
10012.29 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
LT1074HVCT#06PBF0Buy Now
LT1074HVCT7#PBF0Buy Now
LT1074HVCT#PBF0Buy Now
LT1074HVIT#06PBF0Buy Now
LT1074HVIT7#PBF3Buy Now
LT1074HVIT#PBF0Buy Now

Mouser Electronics (5)

ProductStockPriceBuy
LT1074HVIT7#PBF100
118.15 USD
1017.20 USD
2515.18 USD
10011.70 USD
Buy Now
LT1074HVCT7#PBF34
117.69 USD
1016.20 USD
2511.71 USD
1009.15 USD
Buy Now
LT1074HVIT7#35PBF900 On Order
118.91 USD
1017.91 USD
2515.80 USD
10012.18 USD
Buy Now
LT1074HVCT#PBF99 On Order
116.00 USD
1014.66 USD
2510.61 USD
1008.26 USD
Buy Now
LT1074HVCT#06PBF100 On Order
116.00 USD
1014.66 USD
2510.61 USD
1008.26 USD
Buy Now
LT1074HVIT#PBFNone
10011.14 USD
Buy Now
LT1074HVCT7#06PBFNone
1009.15 USD
Buy Now
LT1074HVIT#06PBFNone
10011.14 USD
Buy Now
LT1074HVIT7#06PBFNone
10011.70 USD
Buy Now
LT1074HVIT#30PBFNone
100011.60 USD
Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LT1074HVCT#PBF175
115.17 USD
2510.04 USD
1007.90 USD
Buy Now

RS Components (7)

ProductStockPriceBuy
LT1074HVCT7#PBF19Buy Now
LT1074HVCT7#PBF273Buy Now
LT1074HVCT#PBF43Buy Now
LT1074HVCT#PBF86Buy Now
LT1074HVIT7#PBF1Buy Now
LT1074HVIT#PBF13Buy Now
LT1074HVIT#PBF57Buy Now

Reichelt Elektronik (2)

ProductStockPriceBuy
LT1074HVCT#PBF1Buy Now
LT1074HVCT#PBF1Buy Now

Schukat Electronic (1)

ProductStockPriceBuy
LT1074HVCTPBF62Buy Now

Transfer Multisort Elektronik (2)

ProductStockPriceBuy
LT1074HVCT7#PBF136Buy Now
LT1074HVCT#PBF51Buy Now

Available Distributors without stock: 2

Avnet America (0)

ProductStockPriceBuy
LT1074HVCT0
00.00 USD
Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 13

Arrow Electronics

ProductStockPriceBuy
LT1074HVIT#PBF 470
112.50 $
10010.65 $
Buy Now
LT1074HVIT 424
118.23 $
10113.67 $
3019.12 $
Buy Now
LT1074HVIT#06PBF 210
112.50 $
10010.65 $
Buy Now
LT1074HVCT7#06PBF 205
110.25 $
1008.75 $
Buy Now
LT1074HVIT7#PBF 195
113.50 $
10011.20 $
Buy Now
LT1074HVCT7#PBF 140
110.25 $
1008.75 $
Buy Now
LT1074HVCT#06PBF 129
19.25 $
1007.90 $
Buy Now
LT1074HVIT 0
118.23 $
10113.67 $
3019.12 $
Buy Now
LT1074HVCT#PBF 0
19.25 $
1007.90 $
Buy Now
LT1074HVCT#PBF 0
19.25 $
1007.90 $
Buy Now
LT1074HVIT#06 0 Buy Now
LT1074HVIT#06 0 Buy Now
LT1074HVIT#30PBF 0
112.95 $
10011.10 $
Buy Now
LT1074HVIT7#06PBF 0
113.50 $
10011.20 $
Buy Now
LT1074HVIT7#35PBF 0
113.95 $
10011.65 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1074HVIT#06PBF 574
1008.92 €
2511.05 €
113.81 €
Buy Now
LT1074HVIT7#PBF 571
1009.38 €
2511.64 €
114.55 €
Buy Now
LT1074HVCT#PBF 501
1006.62 €
258.50 €
112.80 €
Buy Now
LT1074HVIT#PBF 475
1008.92 €
2511.05 €
113.81 €
Buy Now
LT1074HVCT#06PBF 400
1006.62 €
258.50 €
112.80 €
Buy Now
LT1074HVCT7#06PBF 327
1007.33 €
259.39 €
114.14 €
Buy Now
LT1074HVIT7#06PBF 22
1009.38 €
2511.64 €
114.55 €
Buy Now
LT1074HVCT7#PBF 0
1007.33 €
259.39 €
114.14 €
Buy Now
LT1074HVIT#30PBF 0
10009.30 €
Buy Now
LT1074HVIT7#35PBF 0
10009.76 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LT1074HVCT#PBF 175
115.17 $
2510.04 $
1007.90 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1074HVIT7#PBF 100
117.71 $
1016.78 $
2514.81 $
10011.42 $
Buy Now
LT1074HVCT7#PBF 34
117.25 $
1015.81 $
2511.43 $
1008.93 $
Buy Now
LT1074HVIT7#35PBF 0
118.45 $
1017.48 $
2515.42 $
10011.88 $
Buy Now
LT1074HVCT#PBF 0
115.61 $
1014.31 $
2510.35 $
1008.06 $
Buy Now
LT1074HVCT#06PBF 0
115.61 $
1014.31 $
2510.35 $
1008.06 $
Buy Now
LT1074HVIT#PBF 0
10010.86 $
Buy Now
LT1074HVCT7#06PBF 0
1008.93 $
Buy Now
LT1074HVIT#06PBF 0
10010.86 $
Buy Now
LT1074HVIT7#06PBF 0
10011.42 $
Buy Now
LT1074HVIT#30PBF 0
100011.32 $
Buy Now
LT1074HVIT 0 Buy Now
LT1074HVIT7 0 Buy Now
LT1074HVCT 0 Buy Now
LT1074HVCT7 0 Buy Now
LT1074HVIT#06 0 Buy Now
show stock=0hide stock=0

Bristol Electronics

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

Quest Components

ProductStockPriceBuy
LT1074HVIT 6
411.93 $
115.90 $
Buy Now
LT1074HVIT06 240
15225.30 $
7326.45 $
129.90 $
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT1074HVCT#PBF 38
114.60 $
312.80 $
1011.50 $
Buy Now
LT1074HVCT7#PBF 135
118.10 $
316.00 $
1014.30 $
2513.10 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1074HVIT7 29

element14 Asia-Pacific

ProductStockPriceBuy
LT1074HVCT#PBF 7
119.01 $
2512.62 $
1009.83 $
Buy Now

Schukat electronic

ProductStockPriceBuy
LT1074HVCTPBF 62
112.10 €
109.50 €
508.65 €
1008.33 €
Buy Now

Chip One Exchange

ProductStockPriceBuy
LT1074HVCT 51

Chip1Stop

ProductStockPriceBuy
LT1074HVCT#PBF 100
1008.28 $
509.74 $
114.90 $
Buy Now

RS Components

ProductStockPriceBuy
LT1074HVCT#PBF 86
1011.20 GBP
2510.28 GBP
Buy Now
LT1074HVCT#PBF 43
112.13 GBP
1011.20 GBP
2510.28 GBP
Buy Now
LT1074HVIT7#PBF 1
513.55 GBP
1013.37 GBP
2513.12 GBP
Buy Now
LT1074HVCT7#PBF 273
1012.81 GBP
2512.22 GBP
Buy Now
LT1074HVCT7#PBF 19
113.41 GBP
1012.81 GBP
2512.22 GBP
Buy Now
LT1074HVIT#PBF 57
1012.85 GBP
2512.61 GBP
Buy Now
LT1074HVIT#PBF 13
113.09 GBP
1012.85 GBP
2512.61 GBP
Buy Now

Available Distributors without stock: 2

Avnet

ProductStockPriceBuy
LT1074HVCT 0

Farnell element14

ProductStockPriceBuy
LT1074HVCT#PBF 0
112.18 GBP
257.83 GBP
1006.44 GBP
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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