LT1676 Buck Converter overview

Description

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Category
Sub-Category

LT1676 is a 60.00 V non-sync Buck Converter from with 0.44 A output current. The maximum 60.00 V input voltage can be regulated down into a 1.24 V to 58.00 V output voltage.

It requires are a typical inductor size of 220.00 µH, a typical external component count of 9 and achieves a peak efficiency of 84 %. Further LT1676 characteristics are a fixed 100 kHz switching frequency and 1 available package option(s): SO-8 .

For the LT1676 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. 7.40 V
V-IN max. 60.00 V
I-OUT? 0.44 A
V-OUT min. 1.24 V
V-OUT max. 58.00 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. yes
Frequency adj./ ext.clock min. 130 kHz
Frequency adj./ ext.clock max 250 kHz
Softstart no
Softstart adjustable no
Tracking no
PG/Power OK no
Quiescent current max. 5000 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 220.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode no
Topology Buck
Peak Efficiency 84 %
Component count min. 9
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN
SO/SOIC SO-8
SOP
DIP
TO
DDPAK

LT1676 Datasheet

Link to the most up-to-date LT1676 datasheet and the product page for EVM, tools and support information.

LT1676

LT1676 Sample stock and distributor price breaks

LT1676 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 10

ARROW-NAC (8)

ProductStockPriceBuy
LT1676CS8614
14.67 USD
2013.50 USD
5012.34 USD
Buy Now
LT1676IS81200
15.56 USD
3014.17 USD
9012.78 USD
Buy Now
LT1676IS8#TRPBF2500
25003.40 USD
Buy Now
LT1676IS8#TRPBF409
13.40 USD
Buy Now
LT1676IN8#PBF130
13.70 USD
1003.20 USD
Buy Now
LT1676CN8#PBF30
13.15 USD
1002.80 USD
Buy Now
LT1676CS8#PBF1285
13.25 USD
1002.85 USD
Buy Now
LT1676IS8#PBF437
13.85 USD
1003.35 USD
Buy Now

Chip-One-Stop (10)

ProductStockPriceBuy
LT1676CN8#PBF48
14.81 USD
104.04 USD
254.00 USD
Buy Now
LT1676CS8614
173.80 USD
569.60 USD
1065.60 USD
2564.10 USD
5063.40 USD
Buy Now
LT1676CS8#PBF100
14.61 USD
103.75 USD
503.14 USD
1003.11 USD
Buy Now
LT1676CS8#PBF2219
15.14 USD
104.32 USD
254.27 USD
504.08 USD
1003.98 USD
2003.80 USD
Buy Now
LT1676CS8#TRPBF5000
25003.24 USD
Buy Now
LT1676IN8#PBF103
15.65 USD
104.75 USD
254.70 USD
504.48 USD
1004.37 USD
Buy Now
LT1676IN8#PBF103
15.65 USD
104.75 USD
254.70 USD
504.48 USD
1004.37 USD
Buy Now
LT1676IS8#PBF874
16.25 USD
105.26 USD
255.20 USD
504.96 USD
1004.84 USD
2004.62 USD
Buy Now
LT1676IS8#TRPBF2500
25003.79 USD
Buy Now
LT1676IS8#TRPBF883
16.81 USD
105.38 USD
255.13 USD
504.69 USD
1004.33 USD
2004.16 USD
Buy Now

DIGI-KEY (2)

ProductStockPriceBuy
LT1676CS8#PBF1959
15.40 USD
253.59 USD
1002.85 USD
Buy Now
LT1676IS8#PBF773
16.28 USD
254.17 USD
1003.35 USD
Buy Now
LT1676CN8#PBF0
1502.80 USD
Buy Now
LT1676CS8#TRPBF0
25002.95 USD
Buy Now
LT1676IN8#PBF0
1503.20 USD
Buy Now
LT1676IS8#TRPBF0
25003.45 USD
Buy Now

Element14 (3)

ProductStockPriceBuy
LT1676CN8#PBF33
18.34 USD
255.81 USD
1005.65 USD
Buy Now
LT1676CS8#PBF536
18.64 USD
255.74 USD
1004.56 USD
Buy Now
LT1676IS8#PBF4
110.04 USD
256.67 USD
1005.36 USD
Buy Now

FARNELL-ELEMENT14 (3)

ProductStockPriceBuy
LT1676CN8#PBF43Buy Now
LT1676CS8#PBF887Buy Now
LT1676IS8#PBF4Buy Now

NEWARK (2)

ProductStockPriceBuy
LT1676CS8#PBF5
12.97 USD
Buy Now
LT1676CS8#TRPBF0
14.72 USD
25003.38 USD
Buy Now
LT1676IS8#PBF105
16.30 USD
254.19 USD
1003.35 USD
Buy Now
LT1676IS8#TRPBF0
15.59 USD
25004.01 USD
Buy Now

RS-COMPONENTS (2)

ProductStockPriceBuy
LT1676CS8#PBF96Buy Now
LT1676IS8#PBF10Buy Now

Reichelt Elektronik (1)

ProductStockPriceBuy
LT1676CS8#PBF1Buy Now

Schukat (1)

ProductStockPriceBuy
LT1676CS8PBF484Buy Now

TME (2)

ProductStockPriceBuy
LT1676CS8#PBF4715Buy Now
LT1676IS8#PBF4Buy Now

Available Distributors with stock: 0

no online Distributor with LT1676 stock available

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LT1676. Optional, compare LT1676 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% LT3437 LT3437 product overviewLT3437 product overview Linear Technology TSSOP-16, DFN-10
25% LT1777 LT1777 product overviewLT1777 product overview Linear Technology SO-16

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1676.

V-IN max. 60 V, I-OUT 0.44 A, V-OUT min. 1.24 V, Frequency typ. 100 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
74404052101 100.0 0.6 0.6 1,090.00 5 x 5 x 2
74404052680 68.0 0.6 0.9 627.00 5 x 5 x 2
74404054101 100.0 0.7 0.8 560.00 5 x 5 x 4
74404054680 68.0 0.8 1.0 400.00 5 x 5 x 4
74404063101 100.0 0.7 0.7 500.00 6 x 6 x 2.8
74404063680 68.0 0.9 0.9 360.00 6 x 6 x 2.8
74404064101 100.0 0.8 1.0 433.00 6 x 6 x 4.5
744053680 68.0 0.8 0.6 300.00 5.8 x 5.8 x 3
744065101 100.0 1.0 0.9 365.00 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
744071101 100.0 1.0 0.9 270.00 8 x 8 x 4.6
744071680 68.0 1.3 1.1 185.00 8 x 8 x 4.6
74408942680 68.0 0.5 0.8 864.00 4.8 x 4.8 x 3.1
74408942820 82.0 0.5 0.7 940.00 4.8 x 4.8 x 3.1
74408943101 100.0 0.5 0.7 770.00 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
744741101 100.0 1.1 0.9 420.00 8 x 8 x 6
7447462101 100.0 0.8 0.8 450.00 5.5 x 5.5 x 8.5
7447462680 68.0 0.8 1.0 340.00 5.5 x 5.5 x 8.5
744773168 68.0 0.6 0.7 754.00 4 x 4.5 x 3.5
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
74477520 100.0 0.8 0.9 248.20 7 x 7.8 x 5.5
74477620 100.0 1.0 1.1 200.00 9 x 10 x 5.9
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
74477720 100.0 0.8 0.8 290.00 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
744777920 100.0 0.8 0.8 290.00 7.3 x 7.3 x 4.5
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
74477820 100.0 0.6 0.8 585.00 7.3 x 7.3 x 3.4
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
744778920 100.0 0.6 0.8 585.00 7.3 x 7.3 x 3.5
744779168 68.0 1.4 0.7 220.00 6 x 6 x 6.5
744787101 100.0 1.0 0.9 396.00 7.8 x 7 x 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
784773168 68.0 0.6 0.7 754.00 4 x 4.5 x 3.5
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
78477420 100.0 0.6 0.7 510.00 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
78477520 100.0 0.8 0.9 281.00 7 x 7.8 x 5.5
78477620 100.0 1.0 1.1 200.00 9 x 10 x 5.9
784777101 100.0 0.7 0.8 390.00 7.3 x 7.3 x 4.3
784778101 100.0 0.7 0.8 600.00 7.3 x 7.3 x 3.5
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