LTC1174HV-3.3 Buck Converter overview

Description

Manufacturer
 
Category
Sub-Category

LTC1174HV-3.3 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 3.30 V to 3.30 V output voltage.

It requires are a typical inductor size of 100.00 µH, a typical external component count of 5 and achieves a peak efficiency of 94 %. Further LTC1174HV-3.3 characteristics are a fixed 200 kHz switching frequency and 2 available package option(s): SO-8 PDIP-8 .

For the LTC1174HV-3.3 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. 3.30 V
V-OUT max. 3.30 V
V-OUT 3.300 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. 5
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-3.3 Datasheet

Link to the most up-to-date LTC1174HV-3.3 datasheet and the product page for EVM, tools and support information.

LTC1174HV-3.3

LTC1174HV-3.3 Sample stock and distributor price breaks

LTC1174HV-3.3 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 7

Chip One Stop (5)

ProductStockPriceBuy
LTC1174HVCN8-3.3#PBF31
18.86 USD
Buy Now
LTC1174HVCN8#PBF15
18.86 USD
Buy Now
LTC1174HVCS8-3.3#PBF419
19.30 USD
1007.04 USD
Buy Now
LTC1174HVCS8-5#PBF15
19.30 USD
Buy Now
LTC1174HVIS8#PBF193
110.20 USD
1007.77 USD
Buy Now

Conrad (1)

ProductStockPriceBuy
LTC1174HVCN8-549Buy Now

Digi-Key (4)

ProductStockPriceBuy
LTC1174HVCS8-5#PBF245
18.34 USD
255.54 USD
1004.25 USD
Buy Now
LTC1174HVIS8#PBF916
19.80 USD
256.51 USD
1005.05 USD
Buy Now
LTC1174HVCS8-3.3#PBF529
18.34 USD
255.54 USD
1004.25 USD
Buy Now
LTC1174HVCS8#PBF271
18.34 USD
255.54 USD
1004.25 USD
Buy Now
LTC1174HVCN8#PBF0
2004.10 USD
Buy Now
LTC1174HVCN8-3.3#PBF0
2004.10 USD
Buy Now
LTC1174HVCN8-5#PBF0
2004.10 USD
Buy Now
LTC1174HVCS8-3.3#TRPBF0
25004.35 USD
Buy Now
LTC1174HVCS8#TRPBF0
25004.35 USD
Buy Now
LTC1174HVCS8-5#TRPBF0
25004.35 USD
Buy Now
LTC1174HVIS8#TRPBF0
25005.15 USD
Buy Now

Element14 (1)

ProductStockPriceBuy
LTC1174HVCS8-5#PBF245
112.86 USD
258.54 USD
1006.89 USD
Buy Now

Farnell Element14 (1)

ProductStockPriceBuy
LTC1174HVCS8-5#PBF260Buy Now

Gerber Electronics (1)

ProductStockPriceBuy
LTC1174HVCS8-3.356
15.25 USD
Buy Now

Newark Electronics (1)

ProductStockPriceBuy
LTC1174HVCS8-3.3#PBF0
18.33 USD
255.57 USD
1004.25 USD
Buy Now
LTC1174HVCS8-5#PBF16
16.15 USD
255.28 USD
1004.25 USD
Buy Now
LTC1174HVCS8-5#TRPBF0
17.62 USD
25005.46 USD
Buy Now
LTC1174HVIS8#PBF0
19.80 USD
256.52 USD
1005.05 USD
Buy Now

Available Distributors with stock: 6

Arrow Electronics

ProductStockPriceBuy
LTC1174HVCS8#PBF 540
7004.25 $
Buy Now
LTC1174HVCS8-3.3#PBF 419
15.25 $
1004.25 $
Buy Now
LTC1174HVIS8#PBF 193
15.80 $
1005.05 $
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
LTC1174HVCS8-5#PBF 15
15.25 $
1004.25 $
Buy Now

Digi-Key

ProductStockPriceBuy
LTC1174HVIS8#PBF 916
1004.28 €
255.52 €
18.32 €
Buy Now
LTC1174HVCS8-3.3#PBF 529
1003.61 €
254.70 €
17.08 €
Buy Now
LTC1174HVCS8#PBF 271
1003.61 €
254.70 €
17.08 €
Buy Now
LTC1174HVCS8-5#PBF 245
1003.61 €
254.70 €
17.08 €
Buy Now
LTC1174HVCN8#PBF 0
2003.48 €
Buy Now
LTC1174HVCN8-3.3#PBF 0
2003.48 €
Buy Now
LTC1174HVCN8-5#PBF 0
2003.48 €
Buy Now
LTC1174HVCS8-3.3#TRPBF 0
25003.69 €
Buy Now
LTC1174HVCS8#TRPBF 0
25003.69 €
Buy Now
LTC1174HVCS8-5#TRPBF 0
25003.69 €
Buy Now
LTC1174HVIS8#TRPBF 0
25004.37 €
Buy Now
show stock=0hide stock=0

Newark element14

ProductStockPriceBuy
LTC1174HVCS8-3.3#PBF 0
18.33 $
255.57 $
1004.00 $
Buy Now
LTC1174HVIS8#PBF 0
19.80 $
256.52 $
1005.00 $
Buy Now
LTC1174HVCS8-5#TRPBF 0
17.62 $
25005.00 $
Buy Now
LTC1174HVCS8-5#PBF 16
16.15 $
255.28 $
1004.00 $
Buy Now
show stock=0hide stock=0

element14 Asia-Pacific

ProductStockPriceBuy
LTC1174HVCS8-5#PBF 245
110.29 $
256.83 $
1005.51 $
Buy Now

Farnell element14

ProductStockPriceBuy
LTC1174HVCS8#PBF 0
17.07 GBP
254.33 GBP
1003.46 GBP
Buy Now
LTC1174HVCS8-5#PBF 260
16.90 GBP
254.00 GBP
1003.29 GBP
Buy Now
show stock=0hide stock=0

Chip1Stop

ProductStockPriceBuy
LTC1174HVCS8-3.3#PBF 419
19.30 $
1007.04 $
Buy Now
LTC1174HVCS8-5#PBF 15
19.30 $
Buy Now
LTC1174HVIS8#PBF 193
110.20 $
1007.77 $
Buy Now
LTC1174HVCN8#PBF 15
18.86 $
Buy Now
LTC1174HVCN8-3.3#PBF 31
18.86 $
Buy Now
LTC1174HVCS8#PBF 540
7006.50 $
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC1174HV-3.3. Optional, compare LTC1174HV-3.3 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% AS7620B AS7620B product overviewAS7620B product overview AMS MLPQ-12

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC1174HV-3.3.

V-IN max. 18.5 V, I-OUT 0.5 A, V-OUT min. 3.3 V, Frequency typ. 200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
74404042680 68.0 0.5 0.6 840.00 4 x 4 x 1.8
74404052680 68.0 0.6 0.9 627.00 5 x 5 x 2
74404054680 68.0 0.8 1.0 400.00 5 x 5 x 4
74404063680 68.0 0.9 0.9 360.00 6 x 6 x 2.8
744065560 56.0 1.3 1.1 208.00 10 x 10 x 3.1
744065680 68.0 1.2 1.1 232.00 10 x 10 x 3.1
744065820 82.0 1.1 1.0 323.00 10 x 10 x 3.1
744071680 68.0 1.3 1.1 185.00 8 x 8 x 4.6
74408942560 56.0 0.5 0.8 780.00 4.8 x 4.8 x 3.1
74408943560 56.0 0.7 0.9 418.00 4.8 x 4.8 x 4.1
74408943680 68.0 0.6 0.9 608.00 4.8 x 4.8 x 4.1
74408943820 82.0 0.6 0.8 689.00 4.8 x 4.8 x 4.1
744731680 68.0 1.5 1.0 170.00 7.8 x 7.8 x 7.5
7447462680 68.0 0.8 1.0 340.00 5.5 x 5.5 x 8.5
744773156 56.0 0.6 0.8 714.00 4 x 4.5 x 3.5
744773168 68.0 0.6 0.7 754.00 4 x 4.5 x 3.5
744775156 56.0 1.0 1.1 189.00 7 x 7.8 x 5.5
744775168 68.0 1.0 1.1 218.00 7 x 7.8 x 5.5
744775182 82.0 0.9 1.0 208.00 7 x 7.8 x 5.5
744776182 82.0 1.1 1.2 150.00 9 x 10 x 5.9
744777156 56.0 0.9 1.1 207.00 7.3 x 7.3 x 4.5
744777168 68.0 0.9 1.0 239.00 7.3 x 7.3 x 4.5
744777182 82.0 0.8 0.9 257.00 7.3 x 7.3 x 4.5
7447779156 56.0 0.9 1.1 228.00 7.3 x 7.3 x 4.5
7447779168 68.0 0.9 1.0 239.00 7.3 x 7.3 x 4.5
7447779182 82.0 0.8 0.9 250.00 7.3 x 7.3 x 4.5
744778156 56.0 0.8 0.9 322.00 7.3 x 7.3 x 3.4
744778168 68.0 0.7 0.8 417.00 7.3 x 7.3 x 3.4
744778182 82.0 0.7 0.8 479.00 7.3 x 7.3 x 3.4
7447789156 56.0 0.8 0.9 335.00 7.3 x 7.3 x 3.5
7447789168 68.0 0.7 0.8 427.00 7.3 x 7.3 x 3.5
7447789182 82.0 0.7 0.8 470.00 7.3 x 7.3 x 3.5
744779168 68.0 1.4 0.7 220.00 6 x 6 x 6.5
744787680 68.0 1.1 1.0 246.00 7.8 x 7 x 5
744787820 82.0 1.0 0.9 278.00 7.8 x 7 x 5
784773156 56.0 0.6 0.8 714.00 4 x 4.5 x 3.5
784773168 68.0 0.6 0.7 754.00 4 x 4.5 x 3.5
784774156 56.0 0.8 0.9 298.00 5.2 x 5.8 x 4.85
784774168 68.0 0.6 0.9 313.00 5.2 x 5.8 x 4.85
784774182 82.0 0.6 0.7 475.00 5.2 x 5.8 x 4.85
784775168 68.0 1.0 1.1 218.00 7 x 7.8 x 5.5
784775182 82.0 0.9 1.0 248.00 7 x 7.8 x 5.5
784776182 82.0 1.1 1.2 150.00 9 x 10 x 5.9
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