LT1074 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LT1074 is a 45.00 V non-sync Buck Converter from with 4.40 A output current. The maximum 45.00 V input voltage can be regulated down into a 2.21 V to 35.00 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 LT1074 characteristics are a fixed 100 kHz switching frequency and 2 available package option(s): TO-220 DD .

For the LT1074 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. 45.00 V
I-OUT? 4.40 A
V-OUT min. 2.21 V
V-OUT max. 35.00 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. 11000 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

LT1074 Datasheet

Link to the most up-to-date LT1074 datasheet and the product page for EVM, tools and support information.

LT1074

LT1074 Sample stock and distributor price breaks

LT1074 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 11

Buerklin (2)

ProductStockPriceBuy
LT1074CT34Buy Now
LT1074HVCT7Buy Now

Chip One Stop (18)

ProductStockPriceBuy
LT1074CT324
1118.53 USD
1046.85 USD
5025.41 USD
10013.47 USD
Buy Now
LT1074CT#06PBF211
110.90 USD
1008.27 USD
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LT1074CT7#PBF160
111.10 USD
108.00 USD
507.41 USD
1007.28 USD
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LT1074CT7#PBF455
112.70 USD
1009.33 USD
Buy Now
LT1074CT#PBF159
110.10 USD
106.98 USD
506.65 USD
1005.82 USD
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LT1074CT#PBF5761
110.90 USD
1008.27 USD
Buy Now
LT1074HVCT#06PBF366
115.70 USD
10011.80 USD
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LT1074HVCT7#06PBF252
117.40 USD
10013.10 USD
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LT1074HVCT7#PBF292
117.40 USD
10013.10 USD
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LT1074HVCT#PBF120
115.10 USD
510.70 USD
1010.40 USD
509.93 USD
1008.26 USD
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LT1074HVCT#PBF856
115.70 USD
10011.80 USD
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LT1074HVIT#06PBF170
121.20 USD
10015.90 USD
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LT1074HVIT7#PBF74
122.90 USD
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LT1074HVIT#PBF1376
121.20 USD
10015.90 USD
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LT1074IT475
50015.50 USD
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LT1074IT7#PBF83
115.50 USD
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LT1074IT#PBF34
112.20 USD
1010.10 USD
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LT1074IT#PBF80
114.70 USD
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Conrad (5)

ProductStockPriceBuy
LT1074HVCT21Buy Now
LT1074HVCT7#PBF16Buy Now
LT1074HVIT#PBF2Buy Now
LT1074IT#06PBF20Buy Now
LT1074IT#PBF16Buy Now

Digi-Key (15)

ProductStockPriceBuy
LT1074CT#PBF1696
110.15 USD
256.74 USD
1005.25 USD
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LT1074CT7#PBF921
111.86 USD
257.87 USD
1006.10 USD
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LT1074IT#PBF194
113.77 USD
259.14 USD
1007.10 USD
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LT1074HVCT#PBF445
115.28 USD
2510.14 USD
1007.90 USD
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LT1074HVCT#06PBF357
115.28 USD
2510.14 USD
1007.90 USD
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LT1074HVIT#PBF910
116.48 USD
2513.19 USD
10010.65 USD
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LT1074IT7#PBF298
114.77 USD
259.81 USD
1007.65 USD
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LT1074HVCT7#PBF559
116.88 USD
2511.21 USD
1008.75 USD
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LT1074HVIT7#PBF172
117.37 USD
2513.89 USD
10011.20 USD
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LT1074CT7#06PBF176
111.86 USD
257.87 USD
1006.10 USD
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LT1074IT#06PBF175
113.77 USD
259.14 USD
1007.10 USD
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LT1074HVIT#06PBF499
116.48 USD
2513.19 USD
10010.65 USD
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LT1074HVCT7#06PBF327
116.88 USD
2511.21 USD
1008.75 USD
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LT1074CT#06PBF76
110.15 USD
256.74 USD
1005.25 USD
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LT1074HVIT7#06PBF27
117.37 USD
2513.89 USD
10011.20 USD
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LT1074CT#30PBF0
10005.70 USD
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LT1074HVIT#30PBF0
100011.10 USD
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LT1074HVIT7#35PBF0
100011.65 USD
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Distrelec (3)

ProductStockPriceBuy
LT1074CT7#PBF29Buy Now
LT1074CT#PBF56Buy Now
LT1074HVCT#PBF55Buy Now

Element14 (8)

ProductStockPriceBuy
LT1074CT7#PBF26
118.28 USD
2512.14 USD
1009.78 USD
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LT1074CT#PBF2025
115.64 USD
2510.39 USD
1008.38 USD
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LT1074HVCT#06PBF4
123.55 USD
2515.63 USD
10012.61 USD
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LT1074HVCT7#PBF9
126.01 USD
2517.28 USD
10013.93 USD
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LT1074HVCT#PBF158
123.55 USD
2515.63 USD
10012.61 USD
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LT1074HVIT7#PBF3
126.77 USD
2521.41 USD
10017.91 USD
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LT1074HVIT#PBF60
125.39 USD
2520.32 USD
10016.99 USD
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LT1074IT#PBF32
121.22 USD
2514.09 USD
10011.36 USD
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Farnell Element14 (9)

ProductStockPriceBuy
LT1074CT7#PBF71Buy Now
LT1074CT#PBF2459Buy Now
LT1074HVCT#06PBF4Buy Now
LT1074HVCT7#PBF24Buy Now
LT1074HVCT#PBF163Buy Now
LT1074HVIT7#PBF7Buy Now
LT1074HVIT#PBF84Buy Now
LT1074IT#06PBF98Buy Now
LT1074IT#PBF102Buy Now

Newark Electronics (4)

ProductStockPriceBuy
LT1074CT#06PBF0
110.19 USD
256.78 USD
1005.25 USD
Buy Now
LT1074CT7#06PBF0
111.84 USD
257.87 USD
1006.10 USD
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LT1074CT7#PBF0
111.90 USD
257.87 USD
1006.10 USD
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LT1074CT#PBF1060
110.08 USD
256.67 USD
1005.25 USD
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LT1074HVCT#06PBF0
115.17 USD
2510.04 USD
1007.90 USD
Buy Now
LT1074HVCT7#06PBF0
116.80 USD
2511.12 USD
1008.75 USD
Buy Now
LT1074HVCT7#PBF0
116.80 USD
2511.12 USD
1008.75 USD
Buy Now
LT1074HVCT#PBF209
115.17 USD
2510.04 USD
1007.90 USD
Buy Now
LT1074HVIT#06PBF0
116.51 USD
2513.21 USD
10010.65 USD
Buy Now
LT1074HVIT7#PBF0
116.92 USD
2513.56 USD
10011.20 USD
Buy Now
LT1074HVIT#PBF0
116.09 USD
2512.89 USD
10010.65 USD
Buy Now
LT1074IT#06PBF0
113.85 USD
259.16 USD
1007.10 USD
Buy Now
LT1074IT7#PBF15
17.65 USD
257.65 USD
1007.65 USD
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LT1074IT#PBF3
113.85 USD
259.16 USD
1007.10 USD
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RS Components (13)

ProductStockPriceBuy
LT1074CT7#PBF38Buy Now
LT1074CT7#PBF46Buy Now
LT1074CT#PBF53Buy Now
LT1074CT#PBF1514Buy Now
LT1074HVCT7#PBF8Buy Now
LT1074HVCT7#PBF24Buy Now
LT1074HVCT#PBF48Buy Now
LT1074HVCT#PBF58Buy Now
LT1074HVIT7#PBF20Buy Now
LT1074HVIT#PBF47Buy Now
LT1074HVIT#PBF57Buy Now
LT1074IT#PBF5Buy Now
LT1074IT#PBF32Buy Now

Reichelt Elektronik (3)

ProductStockPriceBuy
LT1074CT7#PBF1Buy Now
LT1074CT#PBF1Buy Now
LT1074HVCT#PBF1Buy Now

Schukat Electronic (2)

ProductStockPriceBuy
LT1074CTPBF120Buy Now
LT1074HVCTPBF214Buy Now

Available Distributors with stock: 12

Arrow Electronics

ProductStockPriceBuy
LT1074HVIT#PBF 1376
112.50 $
10010.65 $
Buy Now
LT1074IT 535
147.51 $
1033.94 $
5020.36 $
1008.18 $
5007.95 $
10007.72 $
25007.62 $
50007.51 $
100007.41 $
250007.12 $
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LT1074HVIT 424
118.23 $
10113.67 $
3019.12 $
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LT1074CT 324
1100.75 $
1039.82 $
5021.60 $
10011.45 $
50010.26 $
10009.96 $
25009.68 $
50009.54 $
100009.41 $
250009.04 $
Buy Now
LT1074HVCT7#PBF 292
110.25 $
1008.75 $
Buy Now
LT1074CT#06PBF 211
16.17 $
1005.25 $
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LT1074HVIT7#PBF 145
113.50 $
10011.20 $
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LT1074HVCT#06PBF 92
19.25 $
1007.90 $
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LT1074IT7#PBF 83
19.15 $
1007.65 $
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LT1074IT#PBF 30
18.33 $
1007.10 $
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LT1074CT 0 Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1074CT#PBF 1696
1004.45 €
255.72 €
18.61 €
Buy Now
LT1074CT7#PBF 921
1005.18 €
256.68 €
110.06 €
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LT1074HVIT#PBF 910
1009.04 €
2511.19 €
113.98 €
Buy Now
LT1074HVCT7#PBF 559
1007.42 €
259.51 €
114.32 €
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LT1074HVIT#06PBF 499
1009.04 €
2511.19 €
113.98 €
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LT1074HVCT#PBF 445
1006.70 €
258.61 €
112.97 €
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LT1074HVCT#06PBF 357
1006.70 €
258.61 €
112.97 €
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LT1074HVCT7#06PBF 327
1007.42 €
259.51 €
114.32 €
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LT1074IT7#PBF 298
1006.49 €
258.32 €
112.53 €
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LT1074IT#PBF 194
1006.02 €
257.76 €
111.68 €
Buy Now
LT1074CT7#06PBF 176
1005.18 €
256.68 €
110.06 €
Buy Now
LT1074IT#06PBF 175
1006.02 €
257.76 €
111.68 €
Buy Now
LT1074HVIT7#PBF 172
1009.50 €
2511.79 €
114.74 €
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LT1074CT#06PBF 76
1004.45 €
255.72 €
18.61 €
Buy Now
LT1074HVIT7#06PBF 27
1009.50 €
2511.79 €
114.74 €
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Newark element14

ProductStockPriceBuy
LT1074CT#06PBF 0
110.19 $
256.78 $
1005.25 $
Buy Now
LT1074HVIT#06PBF 0
116.51 $
2513.21 $
10010.65 $
Buy Now
LT1074IT#PBF 3
113.85 $
259.16 $
1007.10 $
Buy Now
LT1074HVCT#PBF 209
115.17 $
2510.04 $
1007.90 $
Buy Now
LT1074CT#PBF 1060
110.08 $
256.67 $
1005.25 $
Buy Now
LT1074HVCT#06PBF 0
115.17 $
2510.04 $
1007.90 $
Buy Now
LT1074IT#06PBF 0
113.85 $
259.16 $
1007.10 $
Buy Now
LT1074CT7#PBF 0
111.90 $
257.87 $
1006.10 $
Buy Now
LT1074HVIT#PBF 0
116.09 $
2512.89 $
10010.65 $
Buy Now
LT1074HVCT7#06PBF 0
116.80 $
2511.12 $
1008.75 $
Buy Now
LT1074IT7#PBF 15
17.65 $
257.65 $
1007.65 $
Buy Now
LT1074CT7#06PBF 0
111.84 $
257.87 $
1006.10 $
Buy Now
LT1074HVIT7#PBF 0
116.92 $
2513.56 $
10011.20 $
Buy Now
LT1074HVCT7#PBF 0
116.80 $
2511.12 $
1008.75 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1074CT 4
18.96 $
Buy Now

Quest Components

ProductStockPriceBuy
LT1074CT 400
1044.50 $
374.88 $
111.25 $
Buy Now
LT1074CT 115
984.78 $
375.15 $
111.03 $
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LT1074CT 40
375.25 $
45.63 $
111.25 $
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LT1074CT 3
46.00 $
28.00 $
112.00 $
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LT1074CT-06 5
45.93 $
27.90 $
111.85 $
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LT1074CT7 737
6074.73 $
3714.95 $
113.50 $
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LT1074CT7 2
114.30 $
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LT1074CY 11
46.75 $
29.00 $
113.50 $
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LT1074HVIT 6
411.93 $
115.90 $
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LT1074HVIT 4
415.00 $
120.00 $
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LT1074HVIT06 240
15225.30 $
7326.45 $
129.90 $
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LT1074IT 6
67.95 $
110.60 $
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LT1074IT#PBF 169
1466.61 $
686.90 $
111.50 $
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ComS.I.T.

ProductStockPriceBuy
LT1074HVIT7 29
LT1074CTPBF 36

element14 Asia-Pacific

ProductStockPriceBuy
LT1074IT#PBF 32
116.98 $
2511.27 $
1009.08 $
Buy Now
LT1074HVCT#06PBF 4
118.84 $
2512.50 $
10010.08 $
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LT1074HVCT#PBF 163
118.84 $
2512.50 $
10010.08 $
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LT1074HVCT7#PBF 9
120.81 $
2513.82 $
10011.14 $
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LT1074HVIT#PBF 60
120.31 $
2516.26 $
10013.59 $
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LT1074CT#PBF 2025
112.51 $
258.31 $
1006.70 $
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LT1074HVIT7#PBF 3
121.42 $
2517.13 $
10014.32 $
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LT1074CT7#PBF 26
114.62 $
259.71 $
1007.82 $
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Farnell element14

ProductStockPriceBuy
LT1074IT#PBF 102
111.10 GBP
257.06 GBP
1005.79 GBP
Buy Now
LT1074HVCT#06PBF 4
112.03 GBP
257.72 GBP
1006.44 GBP
Buy Now
LT1074HVCT#PBF 141
112.18 GBP
257.83 GBP
1006.44 GBP
Buy Now
LT1074HVCT7#PBF 22
113.29 GBP
258.66 GBP
1007.13 GBP
Buy Now
LT1074HVIT#PBF 84
113.01 GBP
2510.18 GBP
1008.68 GBP
Buy Now
LT1074IT#06PBF 98
110.95 GBP
256.96 GBP
1005.79 GBP
Buy Now
LT1074HVIT7#PBF 7
113.62 GBP
2510.73 GBP
1009.13 GBP
Buy Now
LT1074CT#PBF 2452
18.40 GBP
255.20 GBP
1004.28 GBP
Buy Now
LT1074CT7#PBF 71
19.69 GBP
256.08 GBP
1004.97 GBP
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TME Electronic Components

ProductStockPriceBuy
LT1074CT#PBF 277
110.40 $
39.35 $
108.12 $
257.56 $
Buy Now
LT1074HVCT7#PBF 149
117.40 $
315.40 $
1013.80 $
2512.60 $
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LT1074HVCT#PBF 31
114.60 $
312.80 $
1011.50 $
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Chip One Exchange

ProductStockPriceBuy
LT1074HVCT 51
LT1074CT 30

Chip1Stop

ProductStockPriceBuy
LT1074CT#06PBF 211
110.90 $
1008.27 $
Buy Now
LT1074HVIT#06PBF 171
121.20 $
10015.90 $
Buy Now
LT1074IT#PBF 80
114.70 $
Buy Now
LT1074CT7#PBF 455
112.70 $
1009.33 $
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LT1074IT7#PBF 83
115.50 $
Buy Now
LT1074HVIT7#PBF 74
122.90 $
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LT1074HVCT7#PBF 292
117.40 $
10013.10 $
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LT1074CT 324
1118.53 $
5025.41 $
10013.47 $
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LT1074CT#PBF 159
110.10 $
506.65 $
1005.82 $
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LT1074CT7#PBF 160
111.10 $
507.41 $
1007.28 $
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LT1074HVCT#06PBF 366
115.70 $
10011.80 $
Buy Now
LT1074HVCT#PBF 120
115.10 $
1010.40 $
1008.26 $
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LT1074HVCT7#06PBF 252
117.40 $
10013.10 $
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LT1074IT#PBF 34
112.20 $
1010.10 $
Buy Now
LT1074CT#PBF 6134
110.90 $
1008.27 $
Buy Now

RS Components

ProductStockPriceBuy
LT1074IT#PBF 32
109.40 GBP
258.41 GBP
507.93 GBP
757.84 GBP
Buy Now
LT1074IT#PBF 5
19.90 GBP
109.40 GBP
258.41 GBP
507.93 GBP
757.84 GBP
Buy Now
LT1074HVCT#PBF 58
1010.51 GBP
259.67 GBP
Buy Now
LT1074CT#PBF 1514
106.93 GBP
256.19 GBP
505.83 GBP
755.73 GBP
Buy Now
LT1074CT7#PBF 38
18.53 GBP
108.10 GBP
257.24 GBP
506.82 GBP
756.68 GBP
Buy Now
LT1074CT7#PBF 46
108.10 GBP
257.24 GBP
506.82 GBP
756.68 GBP
Buy Now
LT1074HVIT#PBF 47
111.85 GBP
511.62 GBP
1011.48 GBP
2511.26 GBP
Buy Now
LT1074HVIT#PBF 57
511.62 GBP
1011.48 GBP
2511.26 GBP
Buy Now
LT1074HVIT7#PBF 20
512.25 GBP
1012.09 GBP
2511.87 GBP
Buy Now
LT1074HVCT7#PBF 8
112.13 GBP
511.40 GBP
1010.80 GBP
2510.19 GBP
Buy Now
LT1074HVCT7#PBF 24
511.40 GBP
1010.80 GBP
2510.19 GBP
Buy Now
LT1074CT#PBF 53
17.30 GBP
106.93 GBP
256.19 GBP
505.83 GBP
755.73 GBP
Buy Now
LT1074HVCT#PBF 48
111.36 GBP
1010.51 GBP
259.67 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1074. Optional, compare LT1074 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT1074HV LT1074HV product overviewLT1074HV product overview Linear Technology DD, TO-220
10% LM22679 LM22679 product overviewLM22679 product overview Texas Instruments TO263-7
10% LM2679 LM2679 product overviewLM2679 product overview Texas Instruments DDPAK-7, TO-220-7, VSON-14
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 LT1074.

V-IN max. 45 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
0Results
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