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
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Available Distributors with stock: 0

no online Distributor with LT1074 stock available

Available Distributors with stock: 11

Arrow Electronics

ProductStockPriceBuy
LT1074CT7#06PBF 450
2507.28 $
1007.45 $
259.02 $
113.58 $
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LT1074IT 435
10050.82 $
2565.78 $
1101.64 $
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LT1074CT 323
10016.17 $
2525.53 $
128.53 $
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LT1074HVIT 103
30110.95 $
10116.41 $
121.88 $
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LT1074IT7#PBF 100
10008.28 $
5008.62 $
2508.81 $
1009.27 $
2511.22 $
116.89 $
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LT1074CT#PBF 83
5005.81 $
2505.93 $
1006.35 $
257.17 $
110.27 $
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LT1074HVIT7#PBF 46
50012.18 $
25012.66 $
10012.96 $
2515.89 $
119.88 $
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LT1074CT7#PBF 43
1006.66 $
257.67 $
111.53 $
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LT1074CT#PBF 34
2506.23 $
1006.35 $
257.17 $
110.27 $
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LT1074CT7#06PBF 4
10006.65 $
5006.92 $
2507.08 $
1007.45 $
259.02 $
113.58 $
Buy Now
LT1074IT#06PBF 3
5008.04 $
2508.23 $
1008.66 $
2510.47 $
115.77 $
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LT1074CT 0 Buy Now
LT1074CT7 0 Buy Now
LT1074HVIT7#35PBF 0
100012.68 $
Buy Now
LT1074HVIT7#06PBF 0
50012.18 $
25012.66 $
10012.96 $
5015.89 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1074CT#PBF 2490
2505.62 €
1006.01 €
256.80 €
19.73 €
Buy Now
LT1074CT7#PBF 2032
1006.57 €
257.26 €
110.93 €
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LT1074HVCT7#PBF 1725
5009.33 €
2509.34 €
1009.99 €
2511.30 €
116.18 €
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LT1074IT#PBF 1393
2507.62 €
1008.15 €
259.22 €
113.19 €
Buy Now
LT1074HVIT#PBF 999
10011.40 €
2512.16 €
115.19 €
Buy Now
LT1074HVIT7#PBF 842
25012.00 €
10012.28 €
2515.06 €
118.84 €
Buy Now
LT1074IT7#PBF 600
5008.16 €
2508.34 €
1008.78 €
2510.63 €
116.00 €
Buy Now
LT1074HVCT#PBF 329
2508.45 €
1009.05 €
2510.22 €
116.44 €
Buy Now
LT1074IT#06PBF 235
5007.62 €
2507.79 €
1008.19 €
259.91 €
114.92 €
Buy Now
LT1074HVCT#06PBF 229
2508.45 €
1009.05 €
2510.22 €
116.44 €
Buy Now
LT1074CT#06PBF 191
1006.00 €
257.26 €
110.93 €
Buy Now
LT1074CT7#06PBF 141
5006.57 €
2506.71 €
1007.06 €
258.54 €
112.86 €
Buy Now
LT1074HVCT7#06PBF 127
5009.33 €
2509.54 €
10010.04 €
2512.15 €
118.17 €
Buy Now
LT1074HVIT#06PBF 91
25011.40 €
10011.65 €
2514.30 €
117.88 €
Buy Now
LT1074HVIT7#06PBF 43
25012.00 €
10012.28 €
2515.06 €
118.84 €
Buy Now

Verical

ProductStockPriceBuy
LT1074CT#PBF 2053
1006.35 $
256.80 $
29.73 $
Buy Now
LT1074HVCT#PBF 1235
5008.73 $
2508.92 $
1009.55 $
2510.79 $
115.45 $
Buy Now
LT1074CT7#06PBF 450
2507.28 $
1007.45 $
259.02 $
113.58 $
Buy Now
LT1074IT 400
10050.82 $
5065.78 $
Buy Now
LT1074HVIT 400
30110.95 $
10116.41 $
5021.88 $
Buy Now
LT1074CT 300
10016.17 $
5025.53 $
Buy Now
LT1074IT7#PBF 100
10008.28 $
5008.62 $
2508.81 $
1009.27 $
2511.22 $
116.89 $
Buy Now
LT1074CT#PBF 75
5005.81 $
2505.93 $
1006.35 $
257.17 $
210.27 $
Buy Now
LT1074IT#PBF 56
5007.87 $
2508.04 $
1008.61 $
259.73 $
113.93 $
Buy Now
LT1074HVIT7#PBF 46
50012.18 $
25012.66 $
10012.96 $
2515.89 $
119.88 $
Buy Now
LT1074CT7#PBF 43
1006.66 $
257.67 $
111.53 $
Buy Now
LT1074CT#PBF 34
2506.23 $
1006.35 $
257.17 $
110.27 $
Buy Now
LT1074HVIT#PBF 21
112.50 $
Buy Now
LT1074CT7#06PBF 4
10006.65 $
5006.92 $
2507.08 $
1007.45 $
259.02 $
113.58 $
Buy Now
LT1074IT#06PBF 3
5008.04 $
2508.23 $
1008.66 $
2510.47 $
115.77 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1074CT#PBF 2596
110.81 $
257.55 $
1006.68 $
2506.24 $
5006.11 $
Buy Now
LT1074HVCT#PBF 315
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
LT1074HVIT7#35PBF 791
121.80 $
2517.44 $
10014.21 $
25013.89 $
50013.35 $
Buy Now
LT1074HVCT7#PBF 172
117.98 $
2512.55 $
10011.10 $
25010.38 $
50010.15 $
Buy Now
LT1074HVIT7#PBF 255
120.93 $
2516.73 $
10013.64 $
25013.33 $
50012.82 $
Buy Now
LT1074HVCT#06PBF 99
116.26 $
2511.36 $
10010.05 $
2509.39 $
5009.19 $
Buy Now
LT1074HVIT#PBF 59
116.88 $
2513.51 $
10012.17 $
Buy Now
LT1074IT7#PBF 75
117.78 $
2511.81 $
1009.76 $
2509.27 $
5009.07 $
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
LT1074HVCT7#PBF 10 Buy Now
LT1074IT 27 Buy Now
LT1074CT#PBF 2 Buy Now
LT1074CT#PBF 3 Buy Now
LT1074CT#PBF 65 Buy Now
LT1074HVCT7 23 Buy Now
LT1074HVCT#PBF 8 Buy Now
LT1074HVIT7#PBF 20 Buy Now
LT1074HVCY 3 Buy Now
LT1074IT#PBF 12 Buy Now
LT1074CT 12 Buy Now
LT1074CT 90 Buy Now
LT1074CT 4
18.96 $
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LT1074CY 20 Buy Now

Quest Components

ProductStockPriceBuy
LT1074CT 400
1044.50 $
374.88 $
111.25 $
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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 $
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LT1074CT#PBF 2
29.20 $
111.04 $
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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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RS Components

ProductStockPriceBuy
LT1074CT7#PBF 188
1010.94 GBP
257.64 GBP
Buy Now
LT1074CT7#PBF 24
111.51 GBP
1010.94 GBP
257.64 GBP
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LT1074CT7#PBF 0
17.63 GBP
Buy Now
LT1074HVCT7#PBF 0
110.86 GBP
Buy Now
LT1074HVCT7#PBF 16
116.36 GBP
515.54 GBP
1011.63 GBP
258.13 GBP
507.59 GBP
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LT1074HVCT7#PBF 142
1011.63 GBP
258.13 GBP
507.59 GBP
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LT1074CT#PBF 0
16.54 GBP
2506.21 GBP
5006.05 GBP
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LT1074CT#PBF 21
19.84 GBP
109.35 GBP
257.02 GBP
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LT1074CT#PBF 88
109.35 GBP
257.02 GBP
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LT1074HVCT#PBF 26
1014.06 GBP
5010.55 GBP
1007.51 GBP
5007.00 GBP
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LT1074HVCT#PBF 128
114.80 GBP
1014.06 GBP
5010.55 GBP
1007.51 GBP
5007.00 GBP
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LT1074HVIT#PBF 0
112.78 GBP
Buy Now
LT1074HVIT#PBF 33
1015.17 GBP
5012.77 GBP
10010.13 GBP
5009.45 GBP
Buy Now
LT1074HVIT#PBF 29
115.97 GBP
1015.17 GBP
5012.77 GBP
10010.13 GBP
5009.45 GBP
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LT1074HVIT7#PBF 64
116.82 GBP
515.98 GBP
1015.19 GBP
2513.43 GBP
509.76 GBP
Buy Now
show stock=0hide stock=0

Transfer Multisort Elektronik

ProductStockPriceBuy
LT1074HVCT7#PBF 76
2513.10 $
1014.30 $
316.00 $
118.10 $
Buy Now
LT1074HVCT#PBF 39
1011.50 $
312.80 $
114.60 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1074CTPBF 36
LT1074HVIT7 29

Schukat electronic

ProductStockPriceBuy
LT1074CTPBF 161
18.50 €
107.20 €
506.55 €
1006.35 €
Buy Now
LT1074HVCTPBF 57
112.80 €
1010.85 €
509.85 €
1009.50 €
Buy Now

Classic Components

ProductStockPriceBuy
LT1074CT#PBF 95

Available Distributors without stock: 3

Richardson RFPD

ProductStockPriceBuy
LT1074CT7#PBF 0
1007.95 $
5007.73 $
10007.53 $
50007.24 $
Buy Now
LT1074CT7#06PBF 0
1007.95 $
5007.73 $
10007.53 $
50007.24 $
Buy Now
LT1074HVCT7#PBF 0
5011.97 $
10011.30 $
50011.00 $
100010.71 $
500010.30 $
Buy Now
LT1074CT#PBF 0
1006.80 $
5006.62 $
10006.45 $
50006.20 $
Buy Now
LT1074HVIT#06PBF 0
5014.61 $
10013.80 $
50013.42 $
100013.08 $
500012.58 $
Buy Now
LT1074IT#06PBF 0
509.76 $
1009.22 $
5008.98 $
10008.74 $
50008.40 $
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LT1074HVIT7#06PBF 0
5015.39 $
10014.54 $
50014.14 $
100013.77 $
500013.25 $
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LT1074HVCT7#06PBF 0
5011.97 $
10011.30 $
50011.00 $
100010.71 $
500010.30 $
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LT1074HVCT#06PBF 0
5010.83 $
10010.23 $
5009.96 $
10009.69 $
50009.32 $
Buy Now
LT1074HVCT#PBF 0
5010.83 $
10010.23 $
5009.96 $
10009.69 $
50009.32 $
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LT1074HVIT7#35PBF 0
100014.35 $
500013.80 $
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LT1074HVIT#PBF 0
5014.61 $
10013.80 $
50013.42 $
100013.08 $
500012.58 $
Buy Now
LT1074HVIT7#PBF 0
5015.39 $
10014.54 $
50014.14 $
100013.77 $
500013.25 $
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LT1074IT#PBF 0
509.76 $
1009.22 $
5008.98 $
10008.74 $
50008.40 $
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LT1074IT7#PBF 0
5010.47 $
1009.88 $
5009.62 $
10009.36 $
50009.02 $
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element14 Asia-Pacific

ProductStockPriceBuy
LT1074CT7#PBF 0
50010.92 SGD
25011.17 SGD
10011.75 SGD
2514.22 SGD
121.41 SGD
Buy Now
LT1074HVCT7#PBF 0
50015.20 SGD
25015.54 SGD
10016.62 SGD
2518.80 SGD
126.93 SGD
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LT1074CT#PBF 0
5009.15 SGD
2509.35 SGD
10010.00 SGD
2511.31 SGD
116.20 SGD
Buy Now
LT1074CT#PBF 0
25518.42 SGD
100518.42 SGD
1598.04 SGD
Buy Now
LT1074HVCT#PBF 0
50013.75 SGD
25014.06 SGD
10015.04 SGD
2517.01 SGD
124.37 SGD
Buy Now
LT1074HVIT#PBF 0
25018.95 SGD
10019.38 SGD
2523.78 SGD
129.73 SGD
Buy Now
LT1074HVIT7#PBF 0
25019.96 SGD
10020.42 SGD
2525.05 SGD
131.31 SGD
Buy Now
LT1074IT#PBF 0
50012.40 SGD
25012.68 SGD
10013.56 SGD
2515.33 SGD
121.98 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LT1074CT7#PBF 0
2505.42 GBP
1005.63 GBP
505.84 GBP
256.05 GBP
109.11 GBP
19.69 GBP
Buy Now
LT1074HVCT7#PBF 0
1007.13 GBP
258.66 GBP
113.29 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#06PBF 0
505.47 GBP
257.31 GBP
109.15 GBP
110.99 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
LT1074HVIT7#PBF 0
1009.72 GBP
509.85 GBP
259.97 GBP
1012.47 GBP
112.78 GBP
Buy Now
LT1074IT#PBF 0
1005.79 GBP
257.06 GBP
111.10 GBP
Buy Now
LT1074IT7#PBF 0
1006.24 GBP
257.66 GBP
111.94 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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