LTC1174 Buck Converter overview

Description

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LTC1174 is a 13.50 V non-sync Buck Converter from with 0.50 A output current. The maximum 13.50 V input voltage can be regulated down into a 1.25 V to 13.00 V output voltage.

It requires are a typical inductor size of 100.00 µH, a typical external component count of 8 and achieves a peak efficiency of 94 %. Further LTC1174 characteristics are a fixed 200 kHz switching frequency and 2 available package option(s): SO-8 PDIP-8 .

For the LTC1174 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. 4.00 V
V-IN max. 13.50 V
I-OUT? 0.50 A
V-OUT min. 1.25 V
V-OUT max. 13.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync non-sync
Frequency typ. 200 kHz
Frequency fixed
Frequency selectable
ext.clock sync. no
Frequency adj./ ext.clock min.
Frequency adj./ ext.clock max
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 600 µA
Operating min. -40 °C
Operating max. 85 °C
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ. 100.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 94 %
Component count min. 8
current limit adjustable yes
Nr.of packages 2
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SO-8
SOP
DIP PDIP-8
TO
DDPAK

LTC1174 Datasheet

Link to the most up-to-date LTC1174 datasheet and the product page for EVM, tools and support information.

LTC1174

LTC1174 Sample stock and distributor price breaks

LTC1174 prices and online available distributors.

OEMSecrets.com
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Available Distributors with stock: 0

no online Distributor with LTC1174 stock available

Available Distributors with stock: 12

Arrow Electronics

ProductStockPriceBuy
LTC1174IS8 1084
7016.49 $
4018.44 $
110.55 $
Buy Now
LTC1174HVCN8#PBF 110
10004.50 $
5004.68 $
2504.79 $
1005.04 $
256.11 $
19.20 $
Buy Now
LTC1174CN8#PBF 92
25002.78 $
5002.83 $
2502.85 $
1002.92 $
253.14 $
13.58 $
07.18 $
Buy Now
LTC1174CN8-5 50
1005.21 $
255.45 $
105.87 $
16.45 $
Buy Now
LTC1174HVCN8-3.3#PBF 30
253.11 $
103.22 $
13.36 $
05.45 $
Buy Now
LTC1174HVCS8-5 21
1005.17 $
255.37 $
105.71 $
16.19 $
07.26 $
Buy Now
LTC1174CS8-5#PBF 9
10004.17 $
5004.34 $
2504.44 $
1004.67 $
255.65 $
18.51 $
Buy Now
LTC1174HVCS8-3.3#PBF 0
10004.67 $
5004.86 $
2504.97 $
1005.24 $
Buy Now
LTC1174HVCN8-5#PBF 0
1504.42 $
Buy Now
LTC1174HVIS8#TRPBF 0
25005.38 $
Buy Now
LTC1174CN8-3.3#PBF 0
1503.88 $
Buy Now
LTC1174CN8-5#PBF 0
1503.88 $
Buy Now
LTC1174IN8#PBF 0
1504.37 $
Buy Now
LTC1174IN8#PBF 0
1504.87 $
Buy Now
LTC1174HVCS8-3.3#TRPBF 0
25004.66 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC1174HVCS8-5#PBF 2024
1004.68 €
255.66 €
18.53 €
Buy Now
LTC1174CS8-3.3#PBF 691
1004.46 €
255.39 €
18.12 €
Buy Now
LTC1174CS8#PBF 445
1004.46 €
255.39 €
18.12 €
Buy Now
LTC1174HVIS8#PBF 418
1005.77 €
256.98 €
110.52 €
Buy Now
LTC1174IS8#PBF 326
1004.99 €
256.03 €
19.09 €
Buy Now
LTC1174CS8-5#PBF 166
1004.46 €
255.39 €
18.12 €
Buy Now
LTC1174HVCS8-3.3#PBF 155
1004.99 €
256.03 €
19.09 €
Buy Now
LTC1174HVCS8#PBF 153
1004.99 €
256.03 €
19.09 €
Buy Now
LTC1174CN8#PBF 92
1004.22 €
255.10 €
17.68 €
Buy Now
LTC1174CS8-3.3#TRPBF 0
25004.20 €
Buy Now
LTC1174CS8#TRPBF 0
25004.20 €
Buy Now
LTC1174CS8-5#TRPBF 0
25004.20 €
Buy Now
LTC1174CN8-5#PBF 0
2004.22 €
Buy Now
LTC1174CN8-3.3#PBF 0
2004.22 €
Buy Now
LTC1174HVCS8-3.3#TRPBF 0
25004.70 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC1174IS8 1000
7016.49 $
4018.44 $
10010.55 $
Buy Now
LTC1174HVCN8#PBF 234
1005.03 $
255.79 $
28.71 $
Buy Now
LTC1174HVCN8#PBF 110
10004.50 $
5004.68 $
2504.79 $
1005.04 $
256.11 $
29.20 $
Buy Now
LTC1174CN8#PBF 92
25002.78 $
5002.83 $
2502.85 $
1002.92 $
253.14 $
23.58 $
Buy Now
LTC1174HVIS8#PBF 65
10005.41 $
5005.62 $
2505.76 $
1006.05 $
257.33 $
211.03 $
Buy Now
LTC1174IS8#PBF 52
1005.22 $
255.99 $
29.03 $
Buy Now
LTC1174CN8-5 50
1005.21 $
255.45 $
105.87 $
26.45 $
Buy Now
LTC1174HVCS8-5#PBF 30
15.25 $
Buy Now
LTC1174HVCN8-3.3#PBF 30
253.11 $
103.22 $
23.36 $
Buy Now
LTC1174HVCS8-5 21
1005.17 $
255.37 $
105.71 $
26.19 $
Buy Now
LTC1174CS8-5#PBF 9
10004.17 $
5004.34 $
2504.44 $
1004.67 $
255.65 $
28.51 $
Buy Now

Newark element14

ProductStockPriceBuy
LTC1174HVCS8-5#PBF 1
1004.92 $
505.29 $
255.66 $
107.09 $
18.52 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC1174HVCS8-5#PBF 140
18.52 $
255.66 $
1004.92 $
Buy Now
LTC1174CS8-3.3#PBF 279
17.93 $
255.53 $
1004.89 $
2504.57 $
5004.48 $
Buy Now
LTC1174IS8#PBF 167
110.03 $
256.66 $
1005.51 $
2505.23 $
5005.11 $
10004.92 $
Buy Now
LTC1174HVIS8#PBF 173
111.61 $
257.71 $
1006.37 $
2506.06 $
5005.92 $
10005.69 $
Buy Now
LTC1174CS8#PBF 169
18.96 $
255.95 $
1004.92 $
2504.67 $
5004.57 $
10004.39 $
Buy Now
LTC1174CS8-5#PBF 188
18.96 $
255.95 $
1004.92 $
2504.67 $
5004.57 $
10004.39 $
Buy Now
LTC1174HVCS8-3.3#PBF 169
110.03 $
256.66 $
1005.51 $
2505.23 $
5005.11 $
10004.92 $
Buy Now
LTC1174HVCS8#PBF 199
110.03 $
256.66 $
1005.51 $
2505.23 $
5005.11 $
10004.92 $
Buy Now
LTC1174CN8#PBF 100
18.48 $
255.63 $
1004.65 $
2504.42 $
5004.32 $
10004.15 $
Buy Now
LTC1174HVCN8#PBF 4
19.68 $
256.43 $
1005.31 $
2505.04 $
5004.93 $
10004.74 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
LTC1174HVCN8-5#PBF 1200
10005.00 $
5005.27 $
1005.49 $
255.72 $
16.16 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC1174HVCS8-3.3#PBF 73 Buy Now
LTC1174CS8-5 252 Buy Now
LTC1174CS8-3.3 200 Buy Now
LTC1174HVCS8-3.3 200 Buy Now

Quest Components

ProductStockPriceBuy
LTC1174CS8 110
513.46 $
63.99 $
17.98 $
Buy Now
LTC1174CS8#TRPBF 1833
4803.80 $
2154.17 $
17.59 $
Buy Now
LTC1174CS8-3.3 229
1463.19 $
513.46 $
17.98 $
Buy Now
LTC1174CS8-3.3 17
145.32 $
55.85 $
17.98 $
Buy Now
LTC1174HVCS8-3.3#PBF 58
386.29 $
116.80 $
110.20 $
Buy Now
LTC1174IS8#PBF 7
54.73 $
26.30 $
19.45 $
Buy Now

RS Components

ProductStockPriceBuy
LTC1174CS8-5#PBF 0
14.26 GBP
Buy Now
LTC1174CS8-5#PBF 76
104.37 GBP
253.70 GBP
503.34 GBP
1003.20 GBP
Buy Now
LTC1174CS8-5#PBF 76
17.21 GBP
104.37 GBP
253.70 GBP
503.34 GBP
1003.20 GBP
Buy Now
LTC1174CS8#PBF 0
14.37 GBP
3004.26 GBP
Buy Now
LTC1174CS8#PBF 18
106.85 GBP
504.78 GBP
1004.52 GBP
2004.40 GBP
Buy Now
LTC1174CS8#PBF 18
17.21 GBP
106.85 GBP
504.78 GBP
1004.52 GBP
2004.40 GBP
Buy Now
show stock=0hide stock=0

ComS.I.T.

ProductStockPriceBuy
LTC1174CS85#PBF 30
LTC1174CS8 323
LTC1174CS85 247
LTC1174HVIS8 20
LTC1174CN85 40

Chip 1 Exchange

ProductStockPriceBuy
LTC1174CS8#TRPBF 2931

IChunt

ProductStockPriceBuy
LTC1174CS8-5#PBF 9
260.60 CNY
Buy Now
LTC1174HVCS8-5 21
144.07 CNY
1040.65 CNY
2538.23 CNY
10036.81 CNY
Buy Now

Available Distributors without stock: 3

Richardson RFPD

ProductStockPriceBuy
LTC1174HVIS8#TRPBF 0
25006.20 $
50005.97 $
Buy Now
LTC1174HVCN8-5#PBF 0
1505.39 $
5005.24 $
10005.10 $
50004.91 $
Buy Now
LTC1174HVCS8-3.3#PBF 0
1005.58 $
5005.43 $
10005.28 $
50005.09 $
Buy Now
LTC1174CN8-5#PBF 0
1504.72 $
5004.59 $
10004.47 $
50004.30 $
Buy Now
LTC1174HVCS8#PBF 0
1005.58 $
5005.43 $
10005.28 $
50005.09 $
Buy Now
LTC1174CS8-5#TRPBF 0
25004.79 $
50004.61 $
Buy Now
LTC1174IN8#PBF 0
1505.31 $
5005.17 $
10005.03 $
50004.85 $
Buy Now
LTC1174CN8#PBF 0
1504.72 $
5004.59 $
10004.47 $
50004.30 $
Buy Now
LTC1174CS8-5#PBF 0
1004.99 $
5004.86 $
10004.72 $
50004.55 $
Buy Now
LTC1174CS8-3.3#PBF 0
1004.99 $
5004.86 $
10004.72 $
50004.55 $
Buy Now
LTC1174HVCS8-5#PBF 0
1005.58 $
5005.43 $
10005.28 $
50005.09 $
Buy Now
LTC1174CS8#TRPBF 0
25004.79 $
50004.61 $
Buy Now
LTC1174CS8#PBF 0
1004.99 $
5004.86 $
10004.72 $
50004.55 $
Buy Now
LTC1174HVCN8#PBF 0
1505.39 $
5005.24 $
10005.10 $
50004.91 $
Buy Now
LTC1174HVIS8#PBF 0
1006.46 $
5006.28 $
10006.12 $
50005.89 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC1174CN8#PBF 0
25006.29 SGD
5006.54 SGD
2506.70 SGD
1007.05 SGD
258.52 SGD
112.83 SGD
Buy Now
LTC1174CS8-5#PBF 0
25006.66 SGD
5006.92 SGD
2507.08 SGD
1007.45 SGD
259.01 SGD
113.56 SGD
Buy Now
LTC1174CS8-3.3#PBF 0
25006.66 SGD
5006.92 SGD
2507.08 SGD
1007.45 SGD
259.01 SGD
113.56 SGD
Buy Now
LTC1174HVCS8-5#PBF 0
5007.75 SGD
2507.92 SGD
1008.34 SGD
2510.08 SGD
115.18 SGD
Buy Now
LTC1174CS8#PBF 0
25006.66 SGD
5006.92 SGD
2507.08 SGD
1007.45 SGD
259.01 SGD
113.56 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC1174HVCS8#PBF 0
1003.46 GBP
254.33 GBP
17.07 GBP
Buy Now
LTC1174CN8#PBF 0
252.43 GBP
12.94 GBP
Buy Now
LTC1174CS8-5#PBF 0
5003.41 GBP
2503.52 GBP
1003.63 GBP
503.73 GBP
253.85 GBP
105.42 GBP
16.33 GBP
Buy Now
LTC1174CS8-3.3#PBF 0
1003.10 GBP
253.81 GBP
16.27 GBP
Buy Now
LTC1174HVCS8-5#PBF 0
1003.29 GBP
254.00 GBP
16.90 GBP
Buy Now
LTC1174CS8#PBF 0
13.07 GBP
Buy Now
LTC1174HVIS8#PBF 0
1004.12 GBP
255.02 GBP
18.13 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC1174. Optional, compare LTC1174 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS1341 AS1341 product overviewAS1341 product overview AMS DFN-8
0% AS7620A AS7620A product overviewAS7620A product overview AMS MLPQ-12
0% LTC1174HV LTC1174HV product overviewLTC1174HV product overview Linear Technology PDIP-8, SO-8
0% MAX1534 MAX1534 product overviewMAX1534 product overview Maxim TQFN-16
0% MAX1684 MAX1684 product overviewMAX1684 product overview Maxim QSOP-16
0% MAX1685 MAX1685 product overviewMAX1685 product overview Maxim QSOP-16
0% MAX1776 MAX1776 product overviewMAX1776 product overview Maxim u00b5MAX-8
25% MAX887 MAX887 product overviewMAX887 product overview Maxim SO-8
50% MAX1672 MAX1672 product overviewMAX1672 product overview Maxim QSOP-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1174.

V-IN max. 13.5 V, I-OUT 0.5 A, V-OUT min. 1.25 V, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404041330 33.0 0.7 0.6 628.00 4 x 4 x 1.2
74404042330 33.0 0.7 0.9 460.00 4 x 4 x 1.8
74404052330 33.0 1.0 1.1 387.00 5 x 5 x 2
744043270 27.0 0.9 0.6 170.00 4.8 x 4.8 x 3
744052270 27.0 0.8 0.8 250.00 5.8 x 5.8 x 2
744053270 27.0 1.1 0.8 135.00 5.8 x 5.8 x 3
744053330 33.0 0.9 0.8 180.00 5.8 x 5.8 x 3
744062330 33.0 0.9 0.8 150.00 6.8 x 6.8 x 2.5
74408942330 33.0 0.8 1.1 424.00 4.8 x 4.8 x 3.1
74408943330 33.0 0.9 1.2 259.00 4.8 x 4.8 x 4.1
744773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
744773133 33.0 0.9 0.9 370.00 4 x 4.5 x 3.5
744773139 39.0 0.8 0.9 418.00 4 x 4.5 x 3.5
744778133 33.0 1.2 1.2 153.00 7.3 x 7.3 x 3.4
744778139 39.0 1.0 1.1 214.00 7.3 x 7.3 x 3.4
7447789133 33.0 1.2 1.2 153.00 7.3 x 7.3 x 3.5
7447789139 39.0 1.0 1.1 209.00 7.3 x 7.3 x 3.5
784773127 27.0 0.9 1.0 328.00 4 x 4.5 x 3.5
784773133 33.0 0.9 0.9 370.00 4 x 4.5 x 3.5
784773139 39.0 0.8 0.9 418.00 4 x 4.5 x 3.5
784774133 33.0 1.1 1.2 150.00 5.2 x 5.8 x 4.85
784774139 39.0 0.9 1.1 215.00 5.2 x 5.8 x 4.85
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