LTC1174HV Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC1174HV is a 18.50 V non-sync Buck Converter from with 0.50 A output current. The maximum 18.50 V input voltage can be regulated down into a 1.25 V to 18.00 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 LTC1174HV characteristics are a fixed 200 kHz switching frequency and 2 available package option(s): SO-8 PDIP-8 .

For the LTC1174HV 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. 18.50 V
I-OUT? 0.50 A
V-OUT min. 1.25 V
V-OUT max. 18.00 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

LTC1174HV Datasheet

Link to the most up-to-date LTC1174HV datasheet and the product page for EVM, tools and support information.

LTC1174HV

LTC1174HV Sample stock and distributor price breaks

LTC1174HV prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC1174HV stock available

Available Distributors with stock: 9

Arrow Electronics

ProductStockPriceBuy
LTC1174HVCN8#PBF 110
10004.50 $
5004.68 $
2504.79 $
1005.04 $
256.11 $
19.20 $
Buy Now
LTC1174HVIS8#PBF 65
10005.41 $
5005.62 $
2505.76 $
1006.05 $
257.33 $
111.03 $
Buy Now
LTC1174HVCS8-5 46
1006.00 $
256.33 $
106.86 $
17.64 $
Buy Now
LTC1174HVCN8-3.3#PBF 30
1004.43 $
15.00 $
Buy Now
LTC1174HVCS8-3.3#PBF 0
10004.67 $
5004.86 $
2504.97 $
1005.24 $
Buy Now
LTC1174HVCS8-3.3#TRPBF 0
25004.66 $
Buy Now
LTC1174HVCN8-5#PBF 0
1504.42 $
Buy Now
LTC1174HVIS8#TRPBF 0
25005.38 $
Buy Now
LTC1174HVCS8-5#TRPBF 0
25004.66 $
Buy Now
LTC1174HVCS8-5#PBF 0
1004.67 $
Buy Now
LTC1174HVCS8#TRPBF 0
25004.66 $
Buy Now
LTC1174HVCS8#PBF 0
10004.67 $
5004.86 $
2504.97 $
1005.24 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC1174HVCS8-5#PBF 2024
5004.66 €
2504.77 €
1005.02 €
256.07 €
19.14 €
Buy Now
LTC1174HVIS8#PBF 428
5005.39 €
2505.52 €
1005.81 €
257.02 €
110.58 €
Buy Now
LTC1174HVCS8#PBF 155
5004.66 €
2504.77 €
1005.02 €
256.07 €
19.14 €
Buy Now
LTC1174HVCS8-3.3#PBF 155
5004.66 €
2504.77 €
1005.02 €
256.07 €
19.14 €
Buy Now
LTC1174HVCS8-3.3#TRPBF 0
25004.73 €
Buy Now
LTC1174HVCS8#TRPBF 0
25004.73 €
Buy Now
LTC1174HVCS8-5#TRPBF 0
25004.73 €
Buy Now
LTC1174HVCN8#PBF 0
1504.84 €
Buy Now
LTC1174HVCN8-3.3#PBF 0
1504.84 €
Buy Now
LTC1174HVCN8-5#PBF 0
1504.84 €
Buy Now
LTC1174HVIS8#TRPBF 0
25005.46 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC1174HVCN8#PBF 234
1005.02 $
255.79 $
28.71 $
Buy Now
LTC1174HVCN8#PBF 110
5004.68 $
2504.79 $
1005.04 $
256.11 $
29.20 $
Buy Now
LTC1174HVIS8#PBF 65
5005.62 $
2505.76 $
1006.05 $
257.33 $
211.03 $
Buy Now
LTC1174HVCS8-5 46
1006.00 $
256.33 $
106.86 $
27.64 $
Buy Now
LTC1174HVCN8-3.3#PBF 30
1004.43 $
25.00 $
Buy Now

Newark element14

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

Mouser Electronics

ProductStockPriceBuy
LTC1174HVCS8-3.3#PBF 169
110.03 $
256.66 $
1005.51 $
2505.23 $
5005.11 $
10004.92 $
Buy Now
LTC1174HVCS8-5#PBF 190
18.52 $
255.66 $
1004.92 $
Buy Now
LTC1174HVCN8#PBF 4
19.68 $
256.43 $
1005.31 $
2505.04 $
5004.93 $
10004.74 $
Buy Now
LTC1174HVCS8#PBF 100
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

Rochester Electronics

ProductStockPriceBuy
LTC1174HVCN8-5#PBF 1250
10005.00 $
5005.27 $
1005.49 $
255.72 $
16.16 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC1174HVCS8-3.3#PBF 73 Buy Now
LTC1174HVCS8-3.3 200 Buy Now

Quest Components

ProductStockPriceBuy
LTC1174HVCS8-3.3#PBF 58
386.29 $
116.80 $
110.20 $
Buy Now

ComS.I.T.

ProductStockPriceBuy
LTC1174HVIS8 20

Available Distributors without stock: 3

Richardson RFPD

ProductStockPriceBuy
LTC1174HVIS8#PBF 0
1006.46 $
5006.28 $
10006.12 $
50005.89 $
Buy Now
LTC1174HVCS8-5#PBF 0
1005.58 $
5005.43 $
10005.28 $
50005.09 $
Buy Now
LTC1174HVIS8#TRPBF 0
25006.20 $
50005.97 $
Buy Now
LTC1174HVCS8#TRPBF 0
25005.37 $
50005.16 $
Buy Now
LTC1174HVCS8-5#TRPBF 0
25005.37 $
50005.16 $
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
LTC1174HVCN8#PBF 0
1505.39 $
5005.24 $
10005.10 $
50004.91 $
Buy Now
LTC1174HVCS8-3.3#TRPBF 0
25005.37 $
50005.16 $
Buy Now
LTC1174HVCS8#PBF 0
1005.58 $
5005.43 $
10005.28 $
50005.09 $
Buy Now
LTC1174HVCN8-3.3#PBF 0
1505.39 $
5005.24 $
10005.10 $
50004.91 $
Buy Now

element14 Asia-Pacific

ProductStockPriceBuy
LTC1174HVCS8-5#PBF 0
5007.67 SGD
2507.84 SGD
1008.26 SGD
259.98 SGD
115.03 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC1174HVIS8#PBF 0
1004.12 GBP
255.02 GBP
18.13 GBP
Buy Now
LTC1174HVCS8-5#PBF 0
1003.29 GBP
254.00 GBP
16.90 GBP
Buy Now
LTC1174HVCS8#PBF 0
1003.46 GBP
254.33 GBP
17.07 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC1174HV. Optional, compare LTC1174HV 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% MAX1534 MAX1534 product overviewMAX1534 product overview Maxim TQFN-16
0% MAX1776 MAX1776 product overviewMAX1776 product overview Maxim u00b5MAX-8
25% LTC1174 LTC1174 product overviewLTC1174 product overview Linear Technology PDIP-8, 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 LTC1174HV.

V-IN max. 18.5 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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