LTC3568 Buck Converter overview

Description

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Category
Sub-Category

LTC3568 is a 5.50 V sync Buck Converter from with 1.80 A output current. The maximum 5.50 V input voltage can be regulated down into a 0.80 V to 5.00 V output voltage.

It requires are a typical inductor size of 2.00 µH, a typical external component count of 8 and achieves a peak efficiency of 96 %. Further LTC3568 characteristics are a adjustable 1000 kHz switching frequency and 1 available package option(s): DFN-10 .

For the LTC3568 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. 2.25 V
V-IN max. 5.50 V
I-OUT? 1.80 A
V-OUT min. 0.80 V
V-OUT max. 5.00 V
V-OUT adjustable V
V-OUT programmable no
sync/non-sync sync
Frequency typ. 1000 kHz
Frequency adjustable
Frequency selectable
ext.clock sync. yes
Frequency adj./ ext.clock min. 400 kHz
Frequency adj./ ext.clock max 4000 kHz
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 350 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ. 150 °C
Inductor size typ. 2.00 µH
Inductor suggested by Würth Elektronik
Automotive AEC-Q100 no
Light-Load-Mode yes
Topology Buck
Peak Efficiency 96 %
Component count min. 8
current limit adjustable no
Nr.of packages 1
CSP
SC70
SOT
MSOP
QFN/DFN DFN-10
SO/SOIC
SOP
DIP
TO
DDPAK

LTC3568 Datasheet

Link to the most up-to-date LTC3568 datasheet and the product page for EVM, tools and support information.

LTC3568

LTC3568 Sample stock and distributor price breaks

LTC3568 prices and online available distributors.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC3568 stock available

Available Distributors with stock: 7

Arrow Electronics

ProductStockPriceBuy
LTC3568EDD#PBF 232
10003.32 $
5003.45 $
2503.52 $
1003.72 $
254.49 $
16.77 $
Buy Now
LTC3568IDD#PBF 116
10003.82 $
5003.97 $
2504.06 $
1214.12 $
Buy Now
LTC3568EDD#TRPBF 0
25003.80 $
Buy Now
LTC3568IDD#TRPBF 0
25004.22 $
Buy Now
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Digi-Key

ProductStockPriceBuy
LTC3568EDD#TRPBF 8608
1003.67 €
254.44 €
16.68 €
Buy Now
LTC3568EDD#TRPBF 8608
1003.67 €
254.44 €
16.68 €
Buy Now
LTC3568EDD#TRPBF 7500
25003.28 €
Buy Now
LTC3568EDD#PBF 4004
1003.46 €
254.19 €
16.31 €
Buy Now
LTC3568IDD#PBF 823
1003.98 €
254.82 €
17.26 €
Buy Now
DC1206A 2
166.71 €
Buy Now
LTC3568IDD#TRPBF 0
25003.79 €
Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3568EDD#PBF 232
10003.32 $
5003.45 $
2503.52 $
1003.72 $
254.49 $
26.77 $
Buy Now
LTC3568IDD#PBF 116
24.84 $
Buy Now
LTC3568IDD#PBF 102
1004.56 $
504.69 $
254.83 $
34.98 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3568EDD#PBF 2460
17.13 $
254.73 $
1003.91 $
2503.71 $
5003.63 $
10003.49 $
Buy Now

Bristol Electronics

ProductStockPriceBuy
LTC3568EDD#PBF 10

RS Components

ProductStockPriceBuy
LTC3568EDD#PBF 140
14.64 GBP
104.41 GBP
1213.59 GBP
2423.50 GBP
6052.72 GBP
Buy Now
LTC3568EDD#PBF 140
104.41 GBP
1213.59 GBP
2423.50 GBP
6052.72 GBP
Buy Now
LTC3568EDD#PBF 0
13.47 GBP
3633.39 GBP
Buy Now
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Chip1Stop

ProductStockPriceBuy
LTC3568EDD#PBF 2
12.62 $
Buy Now

Available Distributors without stock: 2

element14 Asia-Pacific

ProductStockPriceBuy
LTC3568EDD#PBF 0
5005.56 SGD
2505.69 SGD
1005.99 SGD
257.24 SGD
110.89 SGD
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3568EDD#PBF 0
5002.67 GBP
2502.70 GBP
1002.72 GBP
502.75 GBP
252.77 GBP
103.91 GBP
14.32 GBP
Buy Now
LTC3568IDD#PBF 0
5003.30 GBP
2503.41 GBP
1003.52 GBP
503.63 GBP
253.74 GBP
105.13 GBP
16.12 GBP
Buy Now

List of equivalents and alternatives

The following DC/DC Buck Converter are similar to LTC3568. Optional, compare LTC3568 side-by-side with other Buck Converter via the Comparison function.

Variation Compare Product Manufacturer Package
0% ADP2118 ADP2118 product overviewADP2118 product overview Analog Devices QFN-16
0% ISL8023 ISL8023 product overviewISL8023 product overview Intersil QFN-16
0% LTC3412A LTC3412A product overviewLTC3412A product overview Linear Technology TSSOP-16, QFN-16
0% LTC3603 LTC3603 product overviewLTC3603 product overview Linear Technology QFN-16, MSOP-16
0% LTC3604 LTC3604 product overviewLTC3604 product overview Linear Technology QFN-16, MSOP-16
0% LTC3612 LTC3612 product overviewLTC3612 product overview Linear Technology TSSOP-20, QFN-20
0% LTC3626 LTC3626 product overviewLTC3626 product overview Linear Technology QFN-20
0% MP4473 MP4473 product overviewMP4473 product overview MPS QFN-20
0% MPQ4473 MPQ4473 product overviewMPQ4473 product overview MPS QFN-20
0% MPQ4473-AEC1 MPQ4473-AEC1 product overviewMPQ4473-AEC1 product overview MPS QFN-20
25% LT8610 LT8610 product overviewLT8610 product overview Linear Technology MSOP-16
25% LT8611 LT8611 product overviewLT8611 product overview Linear Technology QFN-24
25% LTC3600 LTC3600 product overviewLTC3600 product overview Linear Technology DFN-12, MSOP-12
25% LTC3601 LTC3601 product overviewLTC3601 product overview Linear Technology QFN-16, MSOP-16
25% LM43602 LM43602 product overviewLM43602 product overview Texas Instruments HTSSOP-16
25% LM43602-Q1 LM43602-Q1 product overviewLM43602-Q1 product overview Texas Instruments HTSSOP-16
25% LM46002 LM46002 product overviewLM46002 product overview Texas Instruments HTSSOP-16
25% LM46002-Q1 LM46002-Q1 product overviewLM46002-Q1 product overview Texas Instruments HTSSOP-16
50% LTC3411A LTC3411A product overviewLTC3411A product overview Linear Technology DFN-10, MSOP-10
50% LTC3565 LTC3565 product overviewLTC3565 product overview Linear Technology DFN-10, MSOP-10

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3568.

V-IN max. 5.5 V, I-OUT 1.8 A, V-OUT min. 0.8 V, Frequency typ. 1000 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744025001 1.2 2.6 3.0 36.00 2.8 x 2.8 x 3
74404024010 1.0 2.2 2.6 37.00 2.5 x 2 x 1.2
74404024015 1.5 1.9 2.4 65.00 2.5 x 2 x 1.2
74404032010 1.0 2.2 3.0 33.00 3 x 3 x 1.5
74404032015 1.5 2.0 2.3 40.00 3 x 3 x 1.5
74404041010 1.0 2.5 3.4 41.00 4 x 4 x 1.2
74404042015 1.5 3.0 4.3 31.00 4 x 4 x 1.8
744042001 1.0 2.7 2.6 20.00 4.8 x 4.8 x 2
7440430012 1.2 3.1 2.8 15.00 4.8 x 4.8 x 3
744045001 1.0 1.8 4.4 64.00 4.5 x 3.2 x 2.9
7440520012 1.2 3.0 3.5 20.00 5.8 x 5.8 x 2
744062001 1.0 4.8 4.6 10.00 6.8 x 6.8 x 2.5
7440620015 1.5 4.3 4.0 10.00 6.8 x 6.8 x 2.5
7440680010 1.0 2.8 3.3 32.00 8 x 8 x 1.2
7440690010 1.0 3.6 3.8 21.00 8 x 8 x 1.5
7440690016 1.6 3.1 3.3 29.00 8 x 8 x 1.5
7440700012 1.2 4.8 4.2 12.50 8 x 8 x 2
74437321015 1.5 3.0 4.0 55.00 4.45 x 4.06 x 1.2
74438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
74438323012 1.2 1.9 3.8 82.00 2.5 x 2 x 1
74438323015 1.5 1.8 3.5 92.00 2.5 x 2 x 1
74438324012 1.2 2.4 4.5 67.00 2.5 x 2 x 1.2
74438324015 1.5 2.2 3.7 82.00 2.5 x 2 x 1.2
74438335010 1.0 2.7 4.5 39.00 3 x 3 x 1.5
74438336015 1.5 3.7 4.5 33.00 3 x 3 x 2
74438343010 1.0 1.8 3.9 86.00 2.5 x 1.6 x 0.6
7447785001 1.0 3.5 4.5 31.00 5.9 x 6.2 x 3.3
74479276210 1.0 2.0 2.5 65.00 2 x 1.6 x 1
74479276210C 1.0 2.1 3.1 53.00 2 x 1.25 x 1
74479287210 1.0 2.4 4.0 55.00 2.5 x 2 x 1
74479288210 1.0 2.4 4.2 40.00 2.5 x 2 x 1.2
74479298210 1.0 2.5 4.0 45.00 3.2 x 2.5 x 1
74479899210 1.0 2.3 2.5 50.00 3.2 x 2.6 x 1.2
74479976210 1.0 1.8 2.4 75.00 2 x 1.6 x 0.5
78438323010 1.0 2.5 4.0 63.00 2.5 x 2 x 1
78438323012 1.2 1.9 3.8 82.00 2.5 x 2 x 1
78438323015 1.5 1.8 3.5 92.00 2.5 x 2 x 1
78438335010 1.0 2.7 4.5 39.00 3 x 3 x 1.5
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