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 1842
5008.73 $
2508.92 $
1009.55 $
2510.79 $
115.45 $
Buy Now
LT1074IT 435
10045.04 $
2554.04 $
167.55 $
LT1074HVIT 404
30110.58 $
10115.86 $
121.15 $
LT1074CT#PBF 358
5005.81 $
2505.93 $
1006.35 $
Buy Now
LT1074CT 323
10015.63 $
2524.68 $
127.58 $
LT1074IT7#PBF 100
10008.28 $
5008.62 $
2508.81 $
1009.27 $
2511.22 $
116.89 $
Buy Now
LT1074CT#PBF 44
2506.23 $
1006.35 $
257.17 $
110.27 $
Buy Now
LT1074HVCT7#PBF 7
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
LT1074CT 0 Buy Now
LT1074CT7 0 Buy Now
LT1074HVIT#06 0
5000025.37 $
2500026.07 $
1000026.43 $
500026.80 $
250027.18 $
100027.98 $
50029.28 $
10031.72 $
2538.56 $
181.55 $
LT1074HVIT7#06PBF 0
50012.18 $
25012.66 $
10012.96 $
5015.89 $
Buy Now
LT1074HVCT#06PBF 0
5008.73 $
2508.92 $
1009.55 $
5010.79 $
Buy Now
LT1074HVIT7#35PBF 0
100012.68 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LT1074CT#PBF 3643
5005.57 €
2505.70 €
1005.99 €
257.25 €
110.92 €
Buy Now
LT1074CT7#PBF 2492
5006.51 €
2506.66 €
1007.01 €
258.47 €
112.77 €
Buy Now
LT1074HVCT7#PBF 1775
5009.25 €
2509.47 €
1009.97 €
2512.05 €
118.15 €
Buy Now
LT1074HVIT#PBF 1179
25011.30 €
10011.56 €
2514.18 €
117.73 €
Buy Now
LT1074IT#PBF 958
5007.55 €
2507.72 €
1008.13 €
259.83 €
114.81 €
Buy Now
LT1074HVIT7#PBF 925
25011.90 €
10012.17 €
2514.94 €
118.67 €
Buy Now
LT1074HVCT#PBF 448
5008.37 €
2508.57 €
1009.02 €
2510.91 €
116.42 €
Buy Now
LT1074HVCT#06PBF 258
5008.37 €
2508.57 €
1009.02 €
2510.91 €
116.42 €
Buy Now
LT1074IT#06PBF 235
5007.55 €
2507.72 €
1008.13 €
259.83 €
114.81 €
Buy Now
LT1074CT#06PBF 224
5005.57 €
2505.70 €
1005.99 €
257.25 €
110.92 €
Buy Now
LT1074HVIT#06PBF 181
25011.30 €
10011.56 €
2514.18 €
117.73 €
Buy Now
LT1074HVCT7#06PBF 127
5009.25 €
2509.47 €
1009.97 €
2512.05 €
118.15 €
Buy Now
LT1074IT7#PBF 50
5008.09 €
2508.28 €
1008.72 €
2510.54 €
115.88 €
Buy Now
LT1074HVIT7#06PBF 43
25011.90 €
10012.17 €
2514.94 €
118.67 €
Buy Now
LT1074CT7#06PBF 41
5006.51 €
2506.66 €
1007.01 €
258.47 €
112.77 €
Buy Now

Verical

ProductStockPriceBuy
LT1074HVCT#PBF 1842
5008.73 $
2508.92 $
1009.55 $
2510.79 $
115.45 $
Buy Now
LT1074HVIT#PBF 1645
10011.89 $
2512.83 $
116.04 $
Buy Now
LT1074CT7#06PBF 450
2507.28 $
1007.45 $
259.02 $
113.58 $
Buy Now
LT1074IT 400
10045.04 $
5054.04 $
Buy Now
LT1074HVIT 400
30110.58 $
10115.86 $
5021.15 $
Buy Now
LT1074CT#PBF 358
5005.81 $
2505.93 $
26.35 $
Buy Now
LT1074CT 300
10015.63 $
5024.68 $
Buy Now
LT1074IT7#PBF 100
10008.28 $
5008.62 $
2508.81 $
1009.27 $
2511.22 $
116.89 $
Buy Now
LT1074HVIT#06PBF 57
100011.57 $
25012.03 $
10012.31 $
2515.10 $
118.88 $
Buy Now
LT1074CT#PBF 44
2506.23 $
1006.35 $
257.17 $
110.27 $
Buy Now
LT1074CT7#PBF 40
1006.66 $
257.67 $
111.53 $
Buy Now
LT1074HVCT#06PBF 25
2509.56 $
1009.95 $
2511.25 $
116.10 $
Buy Now
LT1074HVCT7#PBF 7
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
5008.04 $
2508.23 $
1008.66 $
2510.47 $
115.77 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LT1074CT#PBF 3567
110.81 $
257.55 $
1006.68 $
2506.24 $
5006.11 $
Buy Now
LT1074HVCT#PBF 226
116.26 $
2511.36 $
10010.05 $
2509.39 $
5009.19 $
Buy Now
LT1074IT#PBF 559
114.66 $
2510.24 $
1009.06 $
2508.46 $
5008.28 $
Buy Now
LT1074HVIT7#35PBF 818
121.80 $
2517.44 $
10014.21 $
25013.89 $
50013.35 $
Buy Now
LT1074HVCT7#PBF 128
117.98 $
2512.55 $
10011.10 $
25010.38 $
50010.15 $
Buy Now
LT1074HVIT7#PBF 261
120.93 $
2516.73 $
10013.64 $
25013.33 $
50012.82 $
Buy Now
LT1074CT7#PBF 88
112.14 $
258.07 $
1007.01 $
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
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
LT1074HVIT#PBF 0
116.88 $
2513.51 $
10012.17 $
Buy Now
LT1074CT#06PBF 0
112.22 $
258.12 $
1006.71 $
2506.37 $
5006.23 $
10005.99 $
Buy Now
LT1074IT#06PBF 0
116.58 $
2511.01 $
1009.10 $
2508.65 $
5008.45 $
Buy Now
LT1074HVIT#06PBF 0
119.87 $
2515.89 $
10012.94 $
25012.65 $
50012.17 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LT1074HVCT7 23 Buy Now
LT1074HVCT#PBF 8 Buy Now
LT1074IT#PBF 12 Buy Now
LT1074HVIT7#PBF 20 Buy Now
LT1074CY 20 Buy Now
LT1074HVCY 3 Buy Now
LT1074CT 4
18.96 $
Buy Now
LT1074CT 90 Buy Now
LT1074CT 12 Buy Now
LT1074HVCT7#PBF 10 Buy Now
LT1074IT 27 Buy Now
LT1074CT#PBF 65 Buy Now
LT1074CT#PBF 3 Buy Now
LT1074CT#PBF 2 Buy Now

Quest Components

ProductStockPriceBuy
LT1074CT 335
1044.50 $
374.88 $
111.25 $
Buy Now
LT1074CT 38
346.94 $
107.50 $
111.25 $
Buy Now
LT1074CT 16
107.50 $
48.25 $
111.25 $
Buy Now
LT1074CT 9
107.50 $
48.25 $
111.25 $
Buy Now
LT1074CT 16
108.00 $
48.80 $
112.00 $
Buy Now
LT1074CT 10
108.00 $
48.80 $
112.00 $
Buy Now
LT1074CT 3
46.00 $
28.00 $
112.00 $
Buy Now
LT1074CT 83
375.15 $
45.51 $
111.03 $
Buy Now
LT1074CT 40
375.25 $
45.63 $
111.25 $
Buy Now
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 $
Buy Now
LT1074CT7 737
6074.73 $
3714.95 $
113.50 $
Buy Now
LT1074CT7 8
56.24 $
27.09 $
18.51 $
Buy Now
LT1074CY 11
46.75 $
29.00 $
113.50 $
Buy Now

RS Components

ProductStockPriceBuy
LT1074HVCT#PBF 65
2510.28 GBP
1011.20 GBP
Buy Now
LT1074HVCT#PBF 150
2510.28 GBP
1011.20 GBP
112.13 GBP
Buy Now
LT1074IT#PBF 71
758.66 GBP
508.76 GBP
259.29 GBP
1010.38 GBP
Buy Now
LT1074HVIT7#PBF 30
2511.69 GBP
1012.11 GBP
512.67 GBP
Buy Now
LT1074HVIT#PBF 50
2512.61 GBP
1012.85 GBP
Buy Now
LT1074HVIT#PBF 21
2512.61 GBP
1012.85 GBP
113.09 GBP
Buy Now
LT1074CT7#PBF 50
257.73 GBP
108.57 GBP
19.42 GBP
Buy Now
LT1074CT7#PBF 16
257.73 GBP
108.57 GBP
Buy Now
LT1074HVCT7#PBF 11
2512.22 GBP
1012.81 GBP
113.41 GBP
Buy Now
LT1074HVCT7#PBF 66
2512.22 GBP
1012.81 GBP
Buy Now
LT1074CT#PBF 121
257.30 GBP
107.67 GBP
Buy Now
LT1074CT#PBF 156
257.30 GBP
107.67 GBP
18.05 GBP
Buy Now

TME Electronic Components

ProductStockPriceBuy
LT1074HVCT#PBF 59
1011.50 $
312.80 $
114.60 $
Buy Now
LT1074CT7#PBF 42
109.94 $
312.40 $
113.40 $
Buy Now
LT1074HVCT7#PBF 111
2513.10 $
1014.30 $
316.00 $
118.10 $
Buy Now
LT1074CT#PBF 117
257.56 $
108.12 $
39.35 $
110.40 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LT1074HVIT7 29
LT1074CTPBF 36

Schukat electronic

ProductStockPriceBuy
LT1074HVCTPBF 57
112.80 €
1010.85 €
509.85 €
1009.50 €
Buy Now
LT1074CTPBF 201
18.50 €
107.20 €
506.55 €
1006.35 €
Buy Now

Chip1Stop

ProductStockPriceBuy
LT1074HVCT#PBF 106
1009.99 $
5012.00 $
1013.50 $
118.30 $
Buy Now
LT1074IT#PBF 43
1010.10 $
113.70 $
Buy Now
LT1074CT7#PBF 320
1006.60 $
506.66 $
107.19 $
19.71 $
Buy Now
LT1074HVCT7#PBF 317
1009.25 $
5011.00 $
1012.40 $
513.10 $
116.80 $
Buy Now
LT1074CT#PBF 156
1006.64 $
508.03 $
108.86 $
112.20 $
Buy Now

Available Distributors without stock: 2

Richardson RFPD

ProductStockPriceBuy
LT1074CT#06PBF 0
1006.80 $
5006.62 $
10006.45 $
50006.20 $
Buy Now
LT1074HVIT7#06PBF 0
5015.39 $
10014.54 $
50014.14 $
100013.77 $
500013.25 $
Buy Now
LT1074CT#30PBF 0
507.84 $
1007.41 $
5007.21 $
10007.02 $
50006.75 $
Buy Now
LT1074HVIT#06PBF 0
5014.61 $
10013.80 $
50013.42 $
100013.08 $
500012.58 $
Buy Now
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 $
Buy Now
LT1074IT#06PBF 0
509.76 $
1009.22 $
5008.98 $
10008.74 $
50008.40 $
Buy Now
LT1074IT#PBF 0
509.76 $
1009.22 $
5008.98 $
10008.74 $
50008.40 $
Buy Now
LT1074HVIT7#PBF 0
5015.39 $
10014.54 $
50014.14 $
100013.77 $
500013.25 $
Buy Now
LT1074HVIT#PBF 0
5014.61 $
10013.80 $
50013.42 $
100013.08 $
500012.58 $
Buy Now
LT1074CT7#PBF 0
1007.95 $
5007.73 $
10007.53 $
50007.24 $
Buy Now
LT1074IT7#PBF 0
5010.47 $
1009.88 $
5009.62 $
10009.36 $
50009.02 $
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

element14 Asia-Pacific

ProductStockPriceBuy
LT1074HVIT#06PBF 0
100018.22 SGD
25018.95 SGD
10019.38 SGD
2523.78 SGD
129.73 SGD
Buy Now
LT1074HVCT#PBF 0
50013.75 SGD
25014.06 SGD
10015.04 SGD
2517.01 SGD
124.37 SGD
Buy Now
LT1074IT#PBF 0
50012.40 SGD
25012.68 SGD
10013.56 SGD
2515.33 SGD
121.98 SGD
Buy Now
LT1074HVIT7#PBF 0
25019.96 SGD
10020.42 SGD
2525.05 SGD
131.31 SGD
Buy Now
LT1074HVIT#PBF 0
25018.95 SGD
10019.38 SGD
2523.78 SGD
129.73 SGD
Buy Now
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
Buy Now
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

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
Module
Fresh Search
Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
add to Compare
Feedback
ajax-loader.gif
Loading. Please wait.