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: 9

Chip One Stop (14)

ProductStockPriceBuy
LT1074CT#06PBF1
19.81 USD
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LT1074CT7#06PBF34
111.20 USD
59.89 USD
108.01 USD
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LT1074CT7#06PBF34
111.20 USD
59.89 USD
108.01 USD
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LT1074CT7#PBF383
111.10 USD
59.86 USD
107.98 USD
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LT1074CT#PBF237
19.95 USD
109.70 USD
509.61 USD
1005.51 USD
2005.43 USD
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LT1074HVCT#06PBF75
114.40 USD
512.70 USD
1010.20 USD
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LT1074HVCT7#PBF42
114.90 USD
510.60 USD
1010.30 USD
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LT1074HVCT#PBF150
115.50 USD
511.10 USD
1010.70 USD
5010.20 USD
1008.38 USD
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LT1074HVCT#PBF208
114.40 USD
512.70 USD
1010.20 USD
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LT1074HVIT#06PBF192
119.40 USD
514.10 USD
1013.90 USD
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LT1074HVIT7#06PBF130
120.50 USD
514.80 USD
1014.60 USD
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LT1074HVIT#PBF226
119.40 USD
514.10 USD
1013.80 USD
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LT1074IT#PBF168
113.70 USD
109.48 USD
509.03 USD
1007.66 USD
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LT1074IT#PBF192
112.90 USD
511.40 USD
109.27 USD
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Conrad COM (6)

ProductStockPriceBuy
LT1074CT#PBF2Buy Now
LT1074HVCT247Buy Now
LT1074HVCT7#PBF13Buy Now
LT1074HVIT#PBF2Buy Now
LT1074IT#06PBF20Buy Now
LT1074IT#PBF16Buy Now

Conrad UK (6)

ProductStockPriceBuy
LT1074CT#PBF2Buy Now
LT1074HVCT241Buy Now
LT1074HVCT7#PBF13Buy Now
LT1074HVIT#PBF2Buy Now
LT1074IT#06PBF20Buy Now
LT1074IT#PBF16Buy Now

Digi-Key (13)

ProductStockPriceBuy
LT1074CT#PBF2068
110.35 USD
256.87 USD
1005.36 USD
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LT1074CT7#PBF1127
112.10 USD
258.03 USD
1006.22 USD
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LT1074IT#PBF525
114.04 USD
259.33 USD
1007.24 USD
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LT1074IT#06PBF218
114.04 USD
259.33 USD
1007.24 USD
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LT1074HVCT#06PBF783
115.58 USD
2510.35 USD
1008.06 USD
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LT1074HVCT#PBF627
115.58 USD
2510.35 USD
1008.06 USD
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LT1074HVIT#PBF219
116.81 USD
2513.45 USD
10010.86 USD
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LT1074HVCT7#PBF1528
117.22 USD
2511.44 USD
1008.93 USD
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LT1074IT7#PBF341
115.07 USD
2510.01 USD
1007.80 USD
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LT1074CT#06PBF149
110.35 USD
256.87 USD
1005.36 USD
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LT1074HVIT#06PBF371
116.81 USD
2513.45 USD
10010.86 USD
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LT1074HVCT7#06PBF27
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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LT1074CT7#06PBF0
112.10 USD
258.03 USD
1006.22 USD
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LT1074HVIT7#06PBF18
117.71 USD
2514.17 USD
10011.42 USD
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LT1074CT#30PBF0
10005.81 USD
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LT1074HVIT#30PBF0
100011.32 USD
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LT1074HVIT7#35PBF0
100011.88 USD
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Distrelec (3)

ProductStockPriceBuy
LT1074CT7#PBF11Buy Now
LT1074CT#PBF25Buy Now
LT1074HVCT#PBF93Buy Now

RS Components (11)

ProductStockPriceBuy
LT1074CT7#PBF59Buy Now
LT1074CT7#PBF105Buy Now
LT1074CT#PBF97Buy Now
LT1074CT#PBF997Buy Now
LT1074HVCT7#PBF18Buy Now
LT1074HVCT7#PBF210Buy Now
LT1074HVCT#PBF65Buy Now
LT1074HVCT#PBF109Buy Now
LT1074HVIT7#PBF54Buy Now
LT1074HVIT#PBF4Buy Now
LT1074IT#PBF16Buy Now

Reichelt Elektronik (3)

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

Schukat Electronic (2)

ProductStockPriceBuy
LT1074CTPBF250Buy Now
LT1074HVCTPBF212Buy Now

Transfer Multisort Elektronik (4)

ProductStockPriceBuy
LT1074CT7#PBF2Buy Now
LT1074CT#PBF138Buy Now
LT1074HVCT7#PBF132Buy Now
LT1074HVCT#PBF49Buy Now

Available Distributors without stock: 3

Avnet America (0)

ProductStockPriceBuy
LT1074HVCT0
00.00 USD
Buy Now

Element14 (0)

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

Farnell Element14 (0)

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

Available Distributors with stock: 12

Arrow Electronics

ProductStockPriceBuy
LT1074HVIT#PBF 968
10010.65 $
112.50 $
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LT1074IT#PBF 473
1007.10 $
18.33 $
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LT1074HVCT#06PBF 350
1007.90 $
19.25 $
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LT1074HVIT#06PBF 196
10010.65 $
112.50 $
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LT1074HVIT7#06PBF 130
10011.20 $
113.50 $
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LT1074HVIT7#PBF 128
10011.20 $
113.50 $
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LT1074IT7#PBF 58
1007.65 $
19.15 $
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LT1074CT7#06PBF 30
1006.10 $
17.17 $
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LT1074IT#06PBF 13
1007.10 $
18.33 $
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LT1074HVCT#PBF 8
1007.90 $
19.25 $
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LT1074CT7#06PBF 4
1006.10 $
17.17 $
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LT1074CT#06PBF 1
1005.25 $
16.17 $
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Digi-Key

ProductStockPriceBuy
LT1074CT#PBF 2068
1004.53 €
255.82 €
18.76 €
Buy Now
LT1074HVCT7#PBF 1528
1007.56 €
259.68 €
114.58 €
Buy Now
LT1074CT7#PBF 1127
1005.27 €
256.80 €
110.24 €
Buy Now
LT1074HVCT#06PBF 783
1006.82 €
258.76 €
113.19 €
Buy Now
LT1074HVCT#PBF 627
1006.82 €
258.76 €
113.19 €
Buy Now
LT1074IT#PBF 525
1006.13 €
257.89 €
111.89 €
Buy Now
LT1074HVIT#06PBF 371
1009.20 €
2511.39 €
114.23 €
Buy Now
LT1074IT7#PBF 341
1006.61 €
258.47 €
112.76 €
Buy Now
LT1074HVIT#PBF 219
1009.20 €
2511.39 €
114.23 €
Buy Now
LT1074IT#06PBF 218
1006.13 €
257.89 €
111.89 €
Buy Now
LT1074CT#06PBF 149
1004.53 €
255.82 €
18.76 €
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LT1074HVCT7#06PBF 27
1007.56 €
259.68 €
114.58 €
Buy Now
LT1074HVIT7#06PBF 18
1009.67 €
2512.00 €
114.99 €
Buy Now
LT1074HVIT7#PBF 0
1009.67 €
2512.00 €
114.99 €
Buy Now
LT1074CT7#06PBF 0
1005.27 €
256.80 €
110.24 €
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show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT1074IT#PBF 473
18.33 $
Buy Now
LT1074HVCT#06PBF 350
19.25 $
Buy Now
LT1074HVIT#PBF 218
112.50 $
Buy Now
LT1074HVIT#06PBF 196
10010.65 $
112.50 $
Buy Now
LT1074HVIT7#06PBF 130
10011.20 $
113.50 $
Buy Now
LT1074HVIT7#PBF 128
113.50 $
Buy Now
LT1074IT7#PBF 58
19.15 $
Buy Now
LT1074CT7#06PBF 30
17.17 $
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LT1074IT#06PBF 13
18.33 $
Buy Now
LT1074HVCT#PBF 8
1007.90 $
19.25 $
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LT1074CT7#06PBF 4
27.17 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1074HVIT7#35PBF 864
118.45 $
1017.48 $
2515.42 $
10011.88 $
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LT1074HVCT#PBF 131
115.61 $
1014.31 $
2510.35 $
1008.06 $
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LT1074HVCT#06PBF 135
115.61 $
1014.31 $
2510.35 $
1008.06 $
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LT1074IT7#PBF 140
115.10 $
1013.84 $
2510.01 $
1007.80 $
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LT1074HVCT7#PBF 72
117.25 $
1015.81 $
2511.43 $
1008.93 $
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LT1074IT#PBF 18
114.07 $
1012.89 $
259.32 $
1007.24 $
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LT1074CT#PBF 0
110.37 $
109.51 $
256.87 $
1005.36 $
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LT1074HVIT7#PBF 0
117.71 $
1016.78 $
2514.81 $
10011.42 $
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LT1074CT7#PBF 0
112.12 $
1011.11 $
258.03 $
1006.22 $
Buy Now
LT1074HVIT#PBF 0
116.81 $
1015.92 $
2514.05 $
10010.86 $
Buy Now
LT1074CT7#06PBF 0
1506.22 $
Buy Now
LT1074IT#06PBF 0
1007.24 $
Buy Now
LT1074CT#06PBF 0
1505.36 $
Buy Now
LT1074HVCT7#06PBF 0
1008.93 $
Buy Now
LT1074HVIT#06PBF 0
10010.86 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

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

Quest Components

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LT1074CT 335
1044.50 $
374.88 $
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 83
375.15 $
45.51 $
111.03 $
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LT1074CT 40
375.25 $
45.63 $
111.25 $
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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 $
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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
2238.63 $
1089.00 $
115.00 $
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TME Electronic Components

ProductStockPriceBuy
LT1074HVCT#PBF 49
114.60 $
312.80 $
1011.50 $
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LT1074CT#PBF 138
110.40 $
39.35 $
108.12 $
257.56 $
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LT1074CT7#PBF 2
112.00 $
311.10 $
108.90 $
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LT1074HVCT7#PBF 132
118.10 $
316.00 $
1014.30 $
2513.10 $
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ComS.I.T.

ProductStockPriceBuy
LT1074HVIT7 29
LT1074CTPBF 36

Schukat electronic

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

ProductStockPriceBuy
LT1074CT 30
LT1074HVCT 51

Chip1Stop

ProductStockPriceBuy
LT1074HVCT#06PBF 75
1010.20 $
512.70 $
114.40 $
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LT1074HVCT#PBF 208
1010.20 $
512.70 $
114.40 $
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LT1074HVCT#PBF 150
1008.38 $
1010.70 $
115.50 $
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LT1074HVIT#06PBF 192
1013.90 $
514.10 $
119.40 $
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LT1074HVIT#PBF 226
1013.80 $
514.10 $
119.40 $
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LT1074CT#PBF 237
2005.43 $
509.61 $
19.95 $
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LT1074IT#PBF 168
1007.66 $
509.03 $
113.70 $
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LT1074IT#PBF 192
109.27 $
511.40 $
112.90 $
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LT1074CT7#PBF 383
107.98 $
59.86 $
111.10 $
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LT1074CT7#06PBF 34
108.01 $
59.89 $
111.20 $
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LT1074HVCT7#PBF 42
1010.30 $
510.60 $
114.90 $
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LT1074CT#06PBF 1
19.81 $
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LT1074HVIT7#06PBF 145
1014.60 $
514.80 $
120.50 $
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RS Components

ProductStockPriceBuy
LT1074HVCT#PBF 65
112.13 GBP
1011.20 GBP
2510.28 GBP
Buy Now
LT1074HVCT#PBF 109
1011.20 GBP
2510.28 GBP
Buy Now
LT1074HVIT#PBF 4
113.09 GBP
1012.85 GBP
2512.61 GBP
Buy Now
LT1074CT#PBF 997
107.67 GBP
257.30 GBP
Buy Now
LT1074CT#PBF 87
18.05 GBP
107.67 GBP
257.30 GBP
Buy Now
LT1074IT#PBF 9
110.94 GBP
1010.38 GBP
259.29 GBP
508.76 GBP
758.66 GBP
Buy Now
LT1074IT#PBF 16
1010.38 GBP
259.29 GBP
508.76 GBP
758.66 GBP
Buy Now
LT1074HVIT7#PBF 50
512.67 GBP
1012.11 GBP
2511.69 GBP
Buy Now
LT1074CT7#PBF 59
19.42 GBP
108.57 GBP
257.73 GBP
Buy Now
LT1074CT7#PBF 155
108.57 GBP
257.73 GBP
Buy Now
LT1074HVCT7#PBF 210
1012.81 GBP
2512.22 GBP
Buy Now
LT1074HVCT7#PBF 18
113.41 GBP
1012.81 GBP
2512.22 GBP
Buy Now

Available Distributors without stock: 2

Avnet

ProductStockPriceBuy
LT1074HVCT 0

Farnell element14

ProductStockPriceBuy
LT1074IT#06PBF 0
110.99 GBP
109.15 GBP
257.31 GBP
505.47 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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