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: 0

no online Distributor with LT1074 stock available

Available Distributors with stock: 11

Arrow Electronics

ProductStockPriceBuy
LT1074HVCT#PBF 747
5008.73 $
2508.92 $
1009.55 $
2510.79 $
115.45 $
Buy Now
LT1074IT 435
10053.79 $
2569.61 $
1107.57 $
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LT1074CT 323
10017.11 $
2527.02 $
130.19 $
Buy Now
LT1074HVIT#PBF 234
10011.72 $
2512.83 $
116.04 $
Buy Now
LT1074IT#PBF 226
5007.87 $
2508.04 $
1008.61 $
509.73 $
Buy Now
LT1074CT7#06PBF 150
2507.28 $
1007.45 $
259.02 $
113.58 $
Buy Now
LT1074HVIT 103
30111.59 $
10117.37 $
123.16 $
Buy Now
LT1074IT7#PBF 100
10008.28 $
5008.62 $
2508.81 $
1009.27 $
2511.22 $
116.89 $
Buy Now
LT1074HVIT#06PBF 67
50011.56 $
25012.02 $
10012.29 $
2515.10 $
118.88 $
Buy Now
LT1074HVCT#06PBF 50
5008.73 $
2508.92 $
1009.55 $
5010.79 $
Buy Now
LT1074HVCT7#PBF 42
5009.64 $
2509.86 $
10010.55 $
2511.92 $
117.07 $
Buy Now
LT1074CT7#06PBF 4
10006.65 $
5006.92 $
2507.08 $
1007.45 $
259.02 $
113.58 $
Buy Now
LT1074IT#06PBF 3
2508.35 $
1008.66 $
2510.47 $
115.77 $
Buy Now
LT1074CT 0 Buy Now
LT1074CT#PBF 0
5005.81 $
2505.93 $
1006.35 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1074CT7#PBF 1921
2506.23 €
1006.46 €
257.81 €
111.78 €
Buy Now
LT1074HVCT7#PBF 1723
2509.47 €
1009.83 €
2511.88 €
117.89 €
Buy Now
LT1074IT#PBF 1393
2507.73 €
1008.02 €
259.69 €
114.60 €
Buy Now
LT1074CT#PBF 950
1005.91 €
257.15 €
110.77 €
Buy Now
LT1074HVIT#PBF 944
10011.21 €
2513.55 €
116.94 €
Buy Now
LT1074IT7#PBF 599
2508.33 €
1008.64 €
2510.44 €
115.73 €
Buy Now
LT1074HVCT#PBF 326
2508.58 €
1008.90 €
2510.76 €
116.21 €
Buy Now
LT1074IT#06PBF 235
2507.77 €
1008.06 €
259.74 €
114.68 €
Buy Now
LT1074CT#06PBF 135
1005.94 €
257.18 €
110.82 €
Buy Now
LT1074HVCT7#06PBF 127
2509.52 €
1009.87 €
2511.94 €
117.98 €
Buy Now
LT1074HVCT#06PBF 126
2508.58 €
1008.90 €
2510.76 €
116.21 €
Buy Now
LT1074HVIT#06PBF 89
10011.46 €
2513.85 €
117.32 €
Buy Now
LT1074HVIT7#06PBF 43
10012.08 €
2514.60 €
118.25 €
Buy Now
LT1074CT7#06PBF 41
2506.70 €
1006.94 €
258.40 €
112.65 €
Buy Now
LT1074HVIT7#PBF 0
10012.08 €
2514.60 €
118.25 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LT1074HVCT#PBF 747
5008.73 $
2508.92 $
1009.55 $
2510.79 $
115.45 $
Buy Now
LT1074IT 435
10053.79 $
2569.61 $
1107.57 $
Buy Now
LT1074CT 323
10017.11 $
2527.02 $
130.19 $
Buy Now
LT1074HVIT#PBF 234
10011.72 $
2512.83 $
116.04 $
Buy Now
LT1074IT#PBF 226
18.33 $
Buy Now
LT1074CT7#06PBF 150
2507.28 $
1007.45 $
259.02 $
113.58 $
Buy Now
LT1074HVIT 103
10117.37 $
123.16 $
Buy Now
LT1074IT7#PBF 100
10008.28 $
5008.62 $
2508.81 $
1009.27 $
2511.22 $
116.89 $
Buy Now
LT1074HVIT#06PBF 67
50011.56 $
25012.02 $
10012.29 $
2515.10 $
118.88 $
Buy Now
LT1074HVCT7#PBF 42
5009.64 $
2509.86 $
10010.55 $
2511.92 $
117.07 $
Buy Now
LT1074CT#PBF 24
2506.23 $
1006.35 $
257.17 $
110.27 $
Buy Now
LT1074HVCT#06PBF 10
110.84 $
Buy Now
LT1074CT7#06PBF 4
10006.65 $
5006.92 $
2507.08 $
1007.45 $
259.02 $
113.58 $
Buy Now
LT1074IT#06PBF 3
2508.35 $
1008.66 $
2510.47 $
115.77 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1074HVIT7#PBF 230
120.93 $
2516.73 $
10013.64 $
25013.33 $
50012.82 $
Buy Now
LT1074CT#PBF 1924
110.81 $
257.55 $
1006.68 $
2506.24 $
5006.11 $
Buy Now
LT1074HVCT#PBF 247
116.26 $
2511.36 $
10010.05 $
2509.39 $
5009.19 $
Buy Now
LT1074IT#PBF 1245
114.66 $
2510.24 $
1009.06 $
2508.46 $
5008.28 $
Buy Now
LT1074CT7#PBF 335
112.14 $
258.07 $
1007.01 $
Buy Now
LT1074HVCT7#PBF 172
117.98 $
2512.55 $
10011.10 $
25010.38 $
50010.15 $
Buy Now
LT1074HVIT7#35PBF 791
121.80 $
2517.44 $
10014.21 $
25013.89 $
50013.35 $
Buy Now
LT1074HVIT#PBF 27
116.88 $
2513.51 $
10012.17 $
Buy Now
LT1074HVCT#06PBF 99
116.26 $
2511.36 $
10010.05 $
2509.39 $
5009.19 $
Buy Now
LT1074IT7#PBF 75
117.78 $
2511.81 $
1009.76 $
2509.27 $
5009.07 $
Buy Now
LT1074HVIT#06PBF 50
119.87 $
2515.89 $
10012.94 $
25012.65 $
50012.17 $
Buy Now
LT1074HVIT7#06PBF 50
120.93 $
2516.73 $
10013.64 $
25013.33 $
50012.82 $
Buy Now
LT1074CT7#06PBF 100
114.29 $
259.49 $
1007.84 $
2507.45 $
5007.28 $
10007.00 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LT1074CY 20
LT1074CT 90
LT1074CT 4
18.96 $
Buy Now
LT1074CT 12
LT1074HVCT7 23
LT1074HVCT7#PBF 10
LT1074IT 15
LT1074HVCY 3
LT1074HVIT7#PBF 20
LT1074CT#PBF 3
LT1074CT#PBF 2
LT1074CT#PBF 65
LT1074IT#PBF 12
LT1074HVCT#PBF 8

Quest Components

ProductStockPriceBuy
LT1074CT 404
1044.50 $
374.88 $
111.25 $
Buy Now
LT1074CT 38
346.94 $
107.50 $
111.25 $
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LT1074CT 29
107.50 $
48.25 $
111.25 $
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LT1074CT 16
107.50 $
48.25 $
111.25 $
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LT1074CT 9
107.50 $
48.25 $
111.25 $
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LT1074CT 2
29.38 $
111.25 $
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LT1074CT 16
108.00 $
48.80 $
112.00 $
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LT1074CT 10
108.00 $
48.80 $
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#PBF 80
356.81 $
107.36 $
111.04 $
Buy Now
LT1074CT#PBF 2
29.20 $
111.04 $
Buy Now
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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RS Components

ProductStockPriceBuy
LT1074HVCT7#PBF 0
110.86 GBP
Buy Now
LT1074HVCT7#PBF 142
1011.63 GBP
258.13 GBP
507.59 GBP
Buy Now
LT1074HVCT7#PBF 15
116.36 GBP
515.54 GBP
1011.63 GBP
258.13 GBP
507.59 GBP
Buy Now
LT1074CT7#PBF 0
17.20 GBP
Buy Now
LT1074CT7#PBF 56
111.51 GBP
1010.94 GBP
257.64 GBP
Buy Now
LT1074CT7#PBF 140
1010.94 GBP
257.64 GBP
Buy Now
LT1074HVIT7#PBF 0
112.81 GBP
Buy Now
LT1074CT#PBF 0
16.31 GBP
2506.15 GBP
5006.00 GBP
Buy Now
LT1074IT#PBF 0
18.36 GBP
Buy Now
LT1074IT#PBF 32
113.34 GBP
1012.67 GBP
509.91 GBP
1009.66 GBP
5009.42 GBP
Buy Now
LT1074IT#PBF 32
1012.67 GBP
509.91 GBP
1009.66 GBP
5009.42 GBP
Buy Now
LT1074HVCT#PBF 87
114.80 GBP
1014.06 GBP
5010.55 GBP
1007.51 GBP
5007.00 GBP
Buy Now
LT1074HVCT#PBF 26
1014.06 GBP
5010.55 GBP
1007.51 GBP
5007.00 GBP
Buy Now
LT1074HVCTPBF 0
19.49 GBP
2509.25 GBP
5009.02 GBP
Buy Now
LT1074HVIT#PBF 62
113.39 GBP
1012.72 GBP
5012.21 GBP
10010.13 GBP
5009.45 GBP
Buy Now
show stock=0hide stock=0

Transfer Multisort Elektronik

ProductStockPriceBuy
LT1074HVCT7#PBF 74
2513.10 $
1014.30 $
316.00 $
118.10 $
Buy Now
LT1074CT#PBF 105
257.96 $
108.87 $
310.40 $
111.40 $
Buy Now
LT1074HVCT#PBF 19
1011.50 $
312.80 $
114.60 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1074HVIT7 29
LT1074CTPBF 36

Schukat electronic

ProductStockPriceBuy
LT1074CTPBF 136
18.50 €
107.20 €
506.55 €
1006.35 €
Buy Now
LT1074HVCTPBF 52
112.80 €
1010.85 €
509.85 €
1009.50 €
Buy Now

Chip 1 Exchange

ProductStockPriceBuy
LT1074CT 30
LT1074HVCT-7#PBF 470
LT1074HVCT 51
LT1074CT#06PBF 323

Available Distributors without stock: 2

element14 Asia-Pacific

ProductStockPriceBuy
LT1074HVCT7#PBF 0
50015.50 SGD
25015.85 SGD
10016.95 SGD
2519.18 SGD
127.47 SGD
Buy Now
LT1074CT7#PBF 0
50011.14 SGD
25011.39 SGD
10011.98 SGD
2514.50 SGD
121.84 SGD
Buy Now
LT1074HVIT7#PBF 0
25020.36 SGD
10020.83 SGD
2525.55 SGD
131.94 SGD
Buy Now
LT1074CT#PBF 0
100529.16 SGD
25533.45 SGD
1537.73 SGD
Buy Now
LT1074CT#PBF 0
5009.33 SGD
2509.54 SGD
10010.20 SGD
2511.54 SGD
116.52 SGD
Buy Now
LT1074IT#PBF 0
50012.65 SGD
25012.93 SGD
10013.83 SGD
2515.64 SGD
122.42 SGD
Buy Now
LT1074HVCT#PBF 0
50014.02 SGD
25014.34 SGD
10015.34 SGD
2517.35 SGD
124.86 SGD
Buy Now
LT1074HVIT#PBF 0
25019.33 SGD
10019.77 SGD
2524.26 SGD
130.32 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LT1074IT#06PBF 0
505.47 GBP
257.31 GBP
109.15 GBP
110.99 GBP
Buy Now
LT1074IT7#PBF 0
1006.24 GBP
257.66 GBP
111.94 GBP
Buy Now
LT1074HVCT7#PBF 0
1007.13 GBP
258.66 GBP
113.29 GBP
Buy Now
LT1074CT7#PBF 0
2505.42 GBP
1005.63 GBP
505.84 GBP
256.05 GBP
109.11 GBP
19.69 GBP
Buy Now
LT1074HVIT7#PBF 0
1009.72 GBP
509.85 GBP
259.97 GBP
1012.47 GBP
112.78 GBP
Buy Now
LT1074CT#PBF 0
2504.42 GBP
1004.66 GBP
504.91 GBP
255.15 GBP
107.19 GBP
17.83 GBP
Buy Now
LT1074IT#PBF 0
1005.79 GBP
257.06 GBP
111.10 GBP
Buy Now
LT1074HVCT#06PBF 0
1006.44 GBP
506.45 GBP
256.46 GBP
1011.68 GBP
112.07 GBP
Buy Now
LT1074HVCT#PBF 0
1006.44 GBP
257.83 GBP
112.18 GBP
Buy Now
LT1074HVIT#PBF 0
1008.68 GBP
509.99 GBP
2511.29 GBP
1012.60 GBP
112.90 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
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