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: 12

Chip One Stop (6)

ProductStockPriceBuy
LT1074CT7#PBF125
16.85 USD
105.24 USD
Buy Now
LT1074CT#PBF93
110.30 USD
1010.00 USD
509.99 USD
Buy Now
LT1074HVCT7#PBF50
116.80 USD
511.90 USD
1011.60 USD
5011.00 USD
Buy Now
LT1074HVCT#PBF100
114.50 USD
1010.10 USD
509.68 USD
1008.12 USD
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LT1074HVIT#PBF50
114.80 USD
512.40 USD
1012.30 USD
5011.20 USD
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LT1074IT#PBF13
113.70 USD
109.48 USD
Buy Now

Conrad COM (6)

ProductStockPriceBuy
LT1074CT#PBF2Buy Now
LT1074HVCT250Buy Now
LT1074HVCT7#PBF13Buy Now
LT1074HVIT#PBF2Buy Now
LT1074IT#06PBF20Buy Now
LT1074IT#PBF16Buy Now

Conrad UK (6)

ProductStockPriceBuy
LT1074CT#PBF2Buy Now
LT1074HVCT250Buy Now
LT1074HVCT7#PBF13Buy Now
LT1074HVIT#PBF2Buy Now
LT1074IT#06PBF20Buy Now
LT1074IT#PBF16Buy Now

Digi-Key (12)

ProductStockPriceBuy
LT1074CT#PBF221
110.35 USD
256.87 USD
1005.36 USD
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LT1074CT7#PBF124
112.10 USD
258.03 USD
1006.22 USD
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LT1074IT#PBF478
114.04 USD
259.33 USD
1007.24 USD
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LT1074HVCT#06PBF505
115.58 USD
2510.35 USD
1008.06 USD
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LT1074HVIT#PBF425
116.81 USD
2513.45 USD
10010.86 USD
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LT1074CT7#06PBF175
112.10 USD
258.03 USD
1006.22 USD
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LT1074IT7#PBF298
115.07 USD
2510.01 USD
1007.80 USD
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LT1074HVIT#06PBF574
116.81 USD
2513.45 USD
10010.86 USD
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LT1074HVCT7#06PBF327
117.22 USD
2511.44 USD
1008.93 USD
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LT1074IT#06PBF78
114.04 USD
259.33 USD
1007.24 USD
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LT1074HVCT#PBF0
115.58 USD
2510.35 USD
1008.06 USD
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LT1074HVCT7#PBF0
117.22 USD
2511.44 USD
1008.93 USD
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LT1074HVIT7#PBF0
117.71 USD
2514.17 USD
10011.42 USD
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LT1074CT#06PBF4
110.35 USD
256.87 USD
1005.36 USD
Buy Now
LT1074HVIT7#06PBF22
117.71 USD
2514.17 USD
10011.42 USD
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LT1074CT#30PBF0
10005.81 USD
Buy Now
LT1074HVIT#30PBF0
100011.32 USD
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LT1074HVIT7#35PBF0
100011.88 USD
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Distrelec (3)

ProductStockPriceBuy
LT1074CT7#PBF14Buy Now
LT1074CT#PBF52Buy Now
LT1074HVCT#PBF99Buy Now

Element14 (3)

ProductStockPriceBuy
LT1074CT7#PBF21
118.45 USD
2512.25 USD
1009.49 USD
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LT1074CT#PBF695
115.79 USD
2510.49 USD
1008.17 USD
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LT1074HVCT#PBF3
123.76 USD
2515.78 USD
10012.29 USD
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Farnell Element14 (3)

ProductStockPriceBuy
LT1074CT7#PBF47Buy Now
LT1074CT#PBF1067Buy Now
LT1074HVCT#06PBF0Buy Now
LT1074HVCT7#PBF0Buy Now
LT1074HVCT#PBF0Buy Now
LT1074HVIT#06PBF0Buy Now
LT1074HVIT7#PBF0Buy Now
LT1074HVIT#PBF0Buy Now
LT1074IT#06PBF65Buy Now
LT1074IT7#PBF0Buy Now
LT1074IT#PBF0Buy Now

Mouser Electronics (8)

ProductStockPriceBuy
LT1074HVCT7#PBF104
117.69 USD
1016.20 USD
2511.71 USD
1009.15 USD
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LT1074HVCT#06PBF48
116.00 USD
1014.66 USD
2510.61 USD
1008.26 USD
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LT1074IT7#PBF40
115.48 USD
1014.19 USD
2510.26 USD
1008.00 USD
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LT1074IT#PBF18
114.43 USD
1013.21 USD
259.55 USD
1007.43 USD
Buy Now
LT1074CT#PBF1600 On Order
110.63 USD
109.75 USD
257.04 USD
1005.50 USD
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LT1074HVIT7#35PBF600
118.91 USD
1017.91 USD
2515.80 USD
10012.18 USD
Buy Now
LT1074HVIT7#PBF210 On Order
118.15 USD
1017.20 USD
2515.18 USD
10011.70 USD
Buy Now
LT1074HVCT#PBF149 On Order
116.00 USD
1014.66 USD
2510.61 USD
1008.26 USD
Buy Now
LT1074HVIT#06PBFNone
10011.14 USD
Buy Now
LT1074IT#06PBFNone
1007.43 USD
Buy Now
LT1074CT7#06PBFNone
1506.38 USD
Buy Now
LT1074CT7#PBFNone
1506.38 USD
Buy Now
LT1074HVIT#PBFNone
10011.14 USD
Buy Now
LT1074CT#06PBFNone
1505.50 USD
Buy Now
LT1074HVCT7#06PBFNone
1009.15 USD
Buy Now
LT1074HVIT7#06PBFNone
10011.70 USD
Buy Now
LT1074CT#30PBFNone
10005.95 USD
Buy Now
LT1074HVIT#30PBFNone
100011.60 USD
Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LT1074HVCT#PBF70
115.17 USD
2510.04 USD
1007.90 USD
Buy Now

RS Components (12)

ProductStockPriceBuy
LT1074CT7#PBF67Buy Now
LT1074CT7#PBF95Buy Now
LT1074CT#PBF183Buy Now
LT1074CT#PBF1081Buy Now
LT1074HVCT7#PBF17Buy Now
LT1074HVCT7#PBF273Buy Now
LT1074HVCT#PBF50Buy Now
LT1074HVCT#PBF56Buy Now
LT1074HVIT7#PBF46Buy Now
LT1074HVIT#PBF39Buy Now
LT1074HVIT#PBF21Buy Now
LT1074IT#PBF8Buy Now

Reichelt Elektronik (3)

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

Schukat Electronic (2)

ProductStockPriceBuy
LT1074CTPBF65Buy Now
LT1074HVCTPBF112Buy Now

Available Distributors without stock: 3

Avnet America (0)

ProductStockPriceBuy
LT1074HVCT0
00.00 USD
Buy Now

CPC (0)

ProductStockPriceBuy
LT1074CT#PBF0Buy Now
LT1074HVCT#PBF0Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 14

Arrow Electronics

ProductStockPriceBuy
LT1074IT 535
189.11 $
2540.71 $
10018.90 $
50017.68 $
100017.13 $
250016.61 $
500016.12 $
1000015.44 $
2500015.23 $
5000014.82 $
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LT1074IT#06PBF 383
18.33 $
1007.10 $
Buy Now
LT1074CT 324
174.13 $
2525.41 $
10013.47 $
50013.04 $
100012.83 $
250012.63 $
500012.44 $
1000012.25 $
2500012.06 $
5000011.72 $
Buy Now
LT1074HVIT#06PBF 238
112.50 $
10010.65 $
Buy Now
LT1074HVCT7#06PBF 205
110.25 $
1008.75 $
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LT1074IT7#PBF 108
19.15 $
1007.65 $
Buy Now
LT1074HVIT7#06PBF 95
113.50 $
10011.20 $
Buy Now
LT1074CT7#06PBF 50
17.17 $
1006.10 $
Buy Now
LT1074HVCT7#PBF 29
110.25 $
1008.75 $
Buy Now
LT1074CT7#06PBF 4
17.17 $
1006.10 $
Buy Now
LT1074CT#06PBF 1
16.17 $
1005.25 $
Buy Now
LT1074CT 0
157.93 $
1055.84 $
2553.55 $
10051.75 $
Buy Now
LT1074HVIT#30PBF 0
112.95 $
10011.10 $
Buy Now
LT1074CT7#PBF 0
17.17 $
1006.10 $
Buy Now
LT1074HVIT#06 0 Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1074HVIT#06PBF 574
1009.27 €
2511.48 €
114.35 €
Buy Now
LT1074HVCT#06PBF 505
1006.88 €
258.83 €
113.30 €
Buy Now
LT1074IT#PBF 478
1006.18 €
257.96 €
111.99 €
Buy Now
LT1074HVIT#PBF 425
1009.27 €
2511.48 €
114.35 €
Buy Now
LT1074HVCT7#06PBF 327
1007.62 €
259.76 €
114.70 €
Buy Now
LT1074IT7#PBF 298
1006.66 €
258.54 €
112.87 €
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LT1074CT#PBF 221
1004.57 €
255.87 €
18.84 €
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LT1074CT7#06PBF 175
1005.31 €
256.86 €
110.33 €
Buy Now
LT1074CT7#PBF 124
1005.31 €
256.86 €
110.33 €
Buy Now
LT1074IT#06PBF 78
1006.18 €
257.96 €
111.99 €
Buy Now
LT1074HVIT7#06PBF 22
1009.75 €
2512.10 €
115.12 €
Buy Now
LT1074CT#06PBF 4
1004.57 €
255.87 €
18.84 €
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LT1074HVCT#PBF 0
1006.88 €
258.83 €
113.30 €
Buy Now
LT1074HVCT7#PBF 0
1007.62 €
259.76 €
114.70 €
Buy Now
LT1074HVIT7#PBF 0
1009.75 €
2512.10 €
115.12 €
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show stock=0hide stock=0

Mouser Electronics

ProductStockPriceBuy
LT1074HVCT7#PBF 104
117.25 $
1015.81 $
2511.43 $
1008.93 $
Buy Now
LT1074HVCT#06PBF 48
115.61 $
1014.31 $
2510.35 $
1008.06 $
Buy Now
LT1074IT7#PBF 35
115.10 $
1013.84 $
2510.01 $
1007.80 $
Buy Now
LT1074IT#PBF 18
114.07 $
1012.89 $
259.32 $
1007.24 $
Buy Now
LT1074CT#PBF 0
110.37 $
109.51 $
256.87 $
1005.36 $
Buy Now
LT1074HVIT7#35PBF 0
118.45 $
1017.48 $
2515.42 $
10011.88 $
Buy Now
LT1074HVIT7#PBF 0
117.71 $
1016.78 $
2514.81 $
10011.42 $
Buy Now
LT1074HVCT#PBF 0
115.61 $
1014.31 $
2510.35 $
1008.06 $
Buy Now
LT1074HVIT#06PBF 0
10010.86 $
Buy Now
LT1074IT#06PBF 0
1007.24 $
Buy Now
LT1074CT7#06PBF 0
1506.22 $
Buy Now
LT1074CT7#PBF 0
1506.22 $
Buy Now
LT1074HVIT#PBF 0
10010.86 $
Buy Now
LT1074CT#06PBF 0
1505.36 $
Buy Now
LT1074HVCT7#06PBF 0
1008.93 $
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show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1074CT 4
18.96 $
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LT1074CT 21 Buy Now
LT1074HVCT7#PBF 10 Buy Now
LT1074IT 27 Buy Now
LT1074CT#PBF 3 Buy Now
LT1074CT#PBF 65 Buy Now
LT1074HVCY 3 Buy Now
LT1074HVCT7 23 Buy Now

Quest Components

ProductStockPriceBuy
LT1074CT 359
1044.50 $
374.88 $
111.25 $
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LT1074CT 83
375.15 $
45.51 $
111.03 $
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LT1074CT 40
375.25 $
45.63 $
111.25 $
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LT1074CT 16
107.50 $
48.25 $
111.25 $
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LT1074CT 3
48.25 $
29.38 $
111.25 $
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LT1074CT 16
108.00 $
48.80 $
112.00 $
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LT1074CT 8
48.80 $
210.00 $
112.00 $
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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
413.50 $
118.00 $
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LT1074HVIT06 240
15225.30 $
7326.45 $
129.90 $
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TME Electronic Components

ProductStockPriceBuy
LT1074HVCT7#PBF 135
118.10 $
316.00 $
1014.30 $
2513.10 $
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LT1074CT#PBF 57
110.40 $
39.35 $
108.12 $
257.56 $
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LT1074CT7#PBF 7
112.00 $
311.10 $
108.90 $
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LT1074HVCT#PBF 34
114.60 $
312.80 $
1011.50 $
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ComS.I.T.

ProductStockPriceBuy
LT1074HVIT7 29
LT1074CTPBF 36

element14 Asia-Pacific

ProductStockPriceBuy
LT1074HVCT#PBF 3
119.01 $
2512.62 $
1009.83 $
Buy Now
LT1074CT#PBF 571
112.63 $
258.39 $
1006.53 $
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Farnell element14

ProductStockPriceBuy
LT1074IT#06PBF 64
111.09 GBP
1010.57 GBP
257.02 GBP
506.79 GBP
1006.57 GBP
Buy Now
LT1074IT#PBF 0
111.10 GBP
257.06 GBP
1005.79 GBP
Buy Now
LT1074CT7#PBF 25
19.69 GBP
109.11 GBP
256.05 GBP
505.84 GBP
1005.63 GBP
Buy Now
LT1074HVCT#PBF 0
112.18 GBP
257.83 GBP
1006.44 GBP
Buy Now
LT1074CT#PBF 567
18.39 GBP
107.37 GBP
255.18 GBP
505.01 GBP
1004.84 GBP
Buy Now
show stock=0hide stock=0

Schukat electronic

ProductStockPriceBuy
LT1074CTPBF 25
18.40 €
106.60 €
506.00 €
1005.80 €
Buy Now
LT1074HVCTPBF 162
113.65 €
1010.05 €
509.15 €
1008.80 €
Buy Now

Chip One Exchange

ProductStockPriceBuy
LT1074CT 30
LT1074HVCT 51

Chip1Stop

ProductStockPriceBuy
LT1074CT#PBF 88
509.92 $
1010.00 $
110.20 $
Buy Now
LT1074CT7#PBF 125
105.24 $
16.79 $
Buy Now
LT1074HVCT#PBF 50
509.55 $
109.97 $
114.40 $
Buy Now
LT1074HVCT7#PBF 50
5011.00 $
1011.60 $
116.80 $
Buy Now
LT1074HVIT#PBF 32
1012.30 $
512.40 $
114.90 $
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LT1074IT#PBF 113
1007.84 $
509.03 $
113.70 $
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LIBRA Elektronik GmbH

ProductStockPriceBuy
LT1074CT 52
LT1074HVCT 10
LT1074HVCT 91
LT1074HVCT#PBF 10
LT1074CT7 97
LT1074CT7 23
LT1074CT7 106

RS Components

ProductStockPriceBuy
LT1074HVIT#PBF 21
1012.85 GBP
2512.61 GBP
Buy Now
LT1074HVIT#PBF 39
113.09 GBP
1012.85 GBP
2512.61 GBP
Buy Now
LT1074HVCT7#PBF 260
1012.81 GBP
2512.22 GBP
Buy Now
LT1074CT#PBF 1081
107.67 GBP
257.30 GBP
Buy Now
LT1074CT7#PBF 95
108.57 GBP
257.73 GBP
Buy Now
LT1074HVIT7#PBF 37
513.55 GBP
1013.37 GBP
2513.12 GBP
Buy Now
LT1074HVCT#PBF 87
1011.20 GBP
2510.28 GBP
Buy Now
LT1074HVCT7#PBF 21
113.41 GBP
1012.81 GBP
2512.22 GBP
Buy Now
LT1074CT7#PBF 55
19.42 GBP
108.57 GBP
257.73 GBP
Buy Now
LT1074HVCT#PBF 33
112.13 GBP
1011.20 GBP
2510.28 GBP
Buy Now
LT1074IT#PBF 52
1010.38 GBP
259.29 GBP
508.76 GBP
758.66 GBP
Buy Now
LT1074CT#PBF 163
18.05 GBP
107.67 GBP
257.30 GBP
Buy Now

Available Distributors without stock: 1

Avnet

ProductStockPriceBuy
LT1074HVCT 0

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
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