LTC1174 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

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
findchips.com

Available Distributors with stock: 9

Conrad COM (2)

ProductStockPriceBuy
LTC1174CN8#PBF17Buy Now
LTC1174HVCN8-542Buy Now

Conrad UK (2)

ProductStockPriceBuy
LTC1174CN8#PBF17Buy Now
LTC1174HVCN8-542Buy Now

Digi-Key (7)

ProductStockPriceBuy
LTC1174CS8#PBF856
17.59 USD
255.04 USD
1003.88 USD
Buy Now
LTC1174CS8-5#PBF398
17.59 USD
255.04 USD
1003.88 USD
Buy Now
LTC1174HVCS8-3.3#PBF480
18.51 USD
255.65 USD
1004.34 USD
Buy Now
LTC1174HVCS8#PBF279
18.51 USD
255.65 USD
1004.34 USD
Buy Now
LTC1174HVIS8#PBF218
19.99 USD
256.64 USD
1005.15 USD
Buy Now
LTC1174CN8#PBF123
17.18 USD
254.76 USD
1003.67 USD
Buy Now
LTC1174CS8-3.3#PBF146
17.59 USD
255.04 USD
1003.88 USD
Buy Now
LTC1174HVCS8-5#PBF0
18.51 USD
255.65 USD
1004.34 USD
Buy Now
LTC1174CN8-5#PBF0
2003.67 USD
Buy Now
LTC1174CN8-3.3#PBF0
2003.67 USD
Buy Now
LTC1174CS8-3.3#TRPBF0
25003.98 USD
Buy Now
LTC1174CS8#TRPBF0
25003.98 USD
Buy Now
LTC1174CS8-5#TRPBF0
25003.98 USD
Buy Now
LTC1174IN8#PBF0
2004.08 USD
Buy Now
LTC1174HVCN8#PBF0
2004.18 USD
Buy Now
LTC1174HVCN8-3.3#PBF0
2004.18 USD
Buy Now
LTC1174HVCN8-5#PBF0
2004.18 USD
Buy Now
LTC1174IS8#PBF0
2004.28 USD
Buy Now
LTC1174IS8#TRPBF0
25004.39 USD
Buy Now
LTC1174HVCS8-3.3#TRPBF0
25004.44 USD
Buy Now
LTC1174HVCS8#TRPBF0
25004.44 USD
Buy Now
LTC1174HVCS8-5#TRPBF0
25004.44 USD
Buy Now
LTC1174HVIS8#TRPBF0
25005.25 USD
Buy Now
DC059A-A0
176.50 USD
Buy Now
DC059A-B0
176.50 USD
Buy Now

Element14 (2)

ProductStockPriceBuy
LTC1174CS8-5#PBF187
111.58 USD
257.68 USD
1005.91 USD
Buy Now
LTC1174CS8#PBF1
111.58 USD
257.68 USD
1005.91 USD
Buy Now

Gerber Electronics (1)

ProductStockPriceBuy
LTC1174HVCS8-3.356
15.25 USD
Buy Now

Mouser Electronics (10)

ProductStockPriceBuy
LTC1174HVIS8#PBF200
110.26 USD
109.41 USD
256.80 USD
1005.28 USD
Buy Now
LTC1174CS8-3.3#PBF188
17.79 USD
107.14 USD
255.16 USD
1003.98 USD
Buy Now
LTC1174HVCS8-3.3#PBF200
18.74 USD
108.00 USD
255.79 USD
1004.45 USD
Buy Now
LTC1174CS8-5#PBF162
17.79 USD
107.14 USD
255.16 USD
1003.98 USD
Buy Now
LTC1174CN8#PBF90
17.38 USD
106.75 USD
254.88 USD
1003.76 USD
Buy Now
LTC1174CS8#PBF92
17.79 USD
107.14 USD
255.16 USD
1003.98 USD
Buy Now
LTC1174IS8#PBF84
18.74 USD
108.00 USD
255.79 USD
1004.43 USD
Buy Now
LTC1174HVCS8#PBF100
18.74 USD
108.00 USD
255.79 USD
1004.45 USD
Buy Now
LTC1174HVCN8#PBF50
18.43 USD
107.71 USD
255.58 USD
1004.29 USD
Buy Now
LTC1174HVCS8-5#PBF100 On Order
18.74 USD
108.00 USD
255.79 USD
1004.45 USD
Buy Now
LTC1174CN8-3.3#PBFNone
17.38 USD
106.75 USD
254.88 USD
1003.76 USD
Buy Now
LTC1174CN8-5#PBFNone
17.38 USD
106.75 USD
254.88 USD
1003.76 USD
Buy Now
LTC1174IN8#PBFNone
18.31 USD
107.63 USD
255.51 USD
1004.21 USD
Buy Now
LTC1174HVCN8-3.3#PBFNone
18.43 USD
107.71 USD
255.58 USD
1004.29 USD
Buy Now
LTC1174HVCN8-5#PBFNone
18.43 USD
107.71 USD
255.58 USD
1004.29 USD
Buy Now
LTC1174CS8#TRPBFNone
25004.08 USD
Buy Now
LTC1174CS8-5#TRPBFNone
25004.08 USD
Buy Now
LTC1174HVIS8#TRPBFNone
25005.39 USD
Buy Now
LTC1174CS8-3.3#TRPBFNone
25004.08 USD
Buy Now
LTC1174IS8#TRPBFNone
25004.50 USD
Buy Now
LTC1174HVCS8-5#TRPBFNone
25004.55 USD
Buy Now
LTC1174HVCS8#TRPBFNone
25004.55 USD
Buy Now
LTC1174HVCS8-3.3#TRPBFNone
25004.55 USD
Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LTC1174HVCS8-5#PBF15
14.25 USD
254.25 USD
1004.25 USD
Buy Now

RS Components (2)

ProductStockPriceBuy
LTC1174CS8-5#PBF107Buy Now
LTC1174CS8#PBF16Buy Now

Texas Instruments (2)

ProductStockPriceBuy
LTC1174CN8411
00.00 USD
Buy Now
LTC1174CS85
00.00 USD
Buy Now
LTC1174CS80
00.00 USD
Buy Now

Available Distributors without stock: 2

Farnell Element14 (0)

ProductStockPriceBuy
LTC1174CS8-3.3#PBF0Buy Now
LTC1174HVCS8-5#PBF0Buy Now
LTC1174HVCS8#PBF0Buy Now
LTC1174HVIS8#PBF0Buy Now

Rutronik (0)

ProductStockPriceBuy
nnBuy Now

Available Distributors with stock: 10

Arrow Electronics

ProductStockPriceBuy
LTC1174IS8 1084
18.30 $
4016.64 $
7015.11 $
Buy Now
LTC1174CS8-3.3#PBF 466
14.60 $
1003.80 $
Buy Now
LTC1174IS8#PBF 209
15.25 $
1004.20 $
Buy Now
LTC1174HVCS8-3.3#PBF 183
15.25 $
1004.25 $
Buy Now
LTC1174CS8-5#PBF 173
14.60 $
1003.80 $
Buy Now
LTC1174IN8#PBF 100
15.00 $
1004.00 $
Buy Now
LTC1174HVIS8#PBF 95
15.80 $
1005.05 $
Buy Now
LTC1174CN8#PBF 93
14.35 $
1003.60 $
Buy Now
LTC1174HVCS8-5 71 Buy Now
LTC1174HVCN8-3.3#PBF 31
15.00 $
1004.10 $
Buy Now
LTC1174HVCN8#PBF 15
15.00 $
1004.10 $
Buy Now
LTC1174HVCS8#PBF 12
15.25 $
1004.25 $
Buy Now
LTC1174IN8#PBF 0
15.00 $
1004.00 $
Buy Now
show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC1174CS8#PBF 856
1003.31 €
254.30 €
16.47 €
Buy Now
LTC1174HVCS8-3.3#PBF 480
1003.70 €
254.82 €
17.26 €
Buy Now
LTC1174CS8-5#PBF 398
1003.31 €
254.30 €
16.47 €
Buy Now
LTC1174HVCS8#PBF 279
1003.70 €
254.82 €
17.26 €
Buy Now
LTC1174HVIS8#PBF 218
1004.39 €
255.66 €
18.52 €
Buy Now
LTC1174CS8-3.3#PBF 146
1003.31 €
254.30 €
16.47 €
Buy Now
LTC1174CN8#PBF 123
1003.13 €
254.06 €
16.12 €
Buy Now
LTC1174HVCS8-5#PBF 0
1003.70 €
254.82 €
17.26 €
Buy Now
LTC1174CN8-5#PBF 0
2003.13 €
Buy Now
LTC1174CN8-3.3#PBF 0
2003.13 €
Buy Now
LTC1174CS8-3.3#TRPBF 0
25003.39 €
Buy Now
LTC1174CS8#TRPBF 0
25003.39 €
Buy Now
LTC1174CS8-5#TRPBF 0
25003.39 €
Buy Now
LTC1174IN8#PBF 0
2003.48 €
Buy Now
LTC1174HVCN8#PBF 0
2003.57 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LTC1174HVCS8-5#PBF 15
14.25 $
254.25 $
1004.25 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC1174HVIS8#PBF 200
110.01 $
109.18 $
256.64 $
1005.15 $
Buy Now
LTC1174CS8-3.3#PBF 188
17.60 $
106.96 $
255.04 $
1003.88 $
Buy Now
LTC1174HVCS8-3.3#PBF 200
18.52 $
107.81 $
255.65 $
1004.34 $
Buy Now
LTC1174CS8-5#PBF 162
17.60 $
106.96 $
255.04 $
1003.88 $
Buy Now
LTC1174CN8#PBF 90
17.19 $
106.59 $
254.76 $
1003.67 $
Buy Now
LTC1174CS8#PBF 92
17.60 $
106.96 $
255.04 $
1003.88 $
Buy Now
LTC1174IS8#PBF 84
18.52 $
107.81 $
255.65 $
1004.28 $
Buy Now
LTC1174HVCS8#PBF 100
18.52 $
107.81 $
255.65 $
1004.34 $
Buy Now
LTC1174HVCN8#PBF 50
18.22 $
107.53 $
255.44 $
1004.18 $
Buy Now
LTC1174HVCS8-5#PBF 0
18.52 $
107.81 $
255.65 $
1004.34 $
Buy Now
LTC1174CN8-5#PBF 0
17.19 $
106.59 $
254.76 $
1003.67 $
Buy Now
LTC1174CN8-3.3#PBF 0
17.19 $
106.59 $
254.76 $
1003.67 $
Buy Now
LTC1174IN8#PBF 0
18.11 $
107.44 $
255.38 $
1004.08 $
Buy Now
LTC1174HVCN8-3.3#PBF 0
18.22 $
107.53 $
255.44 $
1004.18 $
Buy Now
LTC1174HVCN8-5#PBF 0
18.22 $
107.53 $
255.44 $
1004.18 $
Buy Now
show stock=0hide stock=0

Bristol Electronics

ProductStockPriceBuy
LTC1174CS8-5 252 Buy Now
LTC1174HVCS8-3.3 200 Buy Now
LTC1174HVCS8-3.3#PBF 73 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
LTC1174IS8 19
45.40 $
27.20 $
110.80 $
Buy Now
LTC1174IS8#PBF 7
54.73 $
26.30 $
19.45 $
Buy Now

ComS.I.T.

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

element14 Asia-Pacific

ProductStockPriceBuy
LTC1174CS8-5#PBF 187
19.26 $
256.14 $
1004.72 $
Buy Now
LTC1174CS8#PBF 1
19.26 $
256.14 $
1004.72 $
Buy Now
LTC1174HVCS8-5#PBF 0
110.38 $
256.90 $
1005.28 $
Buy Now
show stock=0hide stock=0

Farnell element14

ProductStockPriceBuy
LTC1174HVCS8#PBF 0
17.07 GBP
254.33 GBP
1003.46 GBP
Buy Now
LTC1174CS8-5#PBF 192
16.19 GBP
253.57 GBP
1003.02 GBP
Buy Now
LTC1174CS8#PBF 1
16.09 GBP
105.24 GBP
253.68 GBP
503.62 GBP
1003.57 GBP
Buy Now
LTC1174CS8-3.3#PBF 0
16.27 GBP
253.81 GBP
1003.10 GBP
Buy Now
show stock=0hide stock=0

RS Components

ProductStockPriceBuy
LTC1174CS8-5#PBF 107
105.61 GBP
255.01 GBP
504.71 GBP
754.64 GBP
Buy Now
LTC1174CS8#PBF 16
105.63 GBP
255.55 GBP
505.49 GBP
755.42 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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