LTC3868-1 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3868-1 is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 24.00 V and output current goes up to 25.00 A.

The Controller features adjustable 850 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3868-1 is available in 2 package option(s): QFN-28 SSOP-28 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 4.00 V
V-IN max. 24.00 V
I-OUT? 25.00 A
V-OUT min. 0.80 V
V-OUT max. 14.00 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 850 kHz
Frequency adj. adjustable
Frequency adj. min. 50 kHz
Frequency adj. max. 900 kHz
ext.clock sync. yes
ext.clock Frequency min. 75 kHz
ext.clock Frequency max. 850 kHz
Softstart
Softstart adjustable
Tracking no
Power Good (PG)
Enable
Operating min.
Operating max.
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ.
Automotive AEC-Q100
Light-Load Mode yes
Single/ Multiphase multi
Nr. of Phases 2
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 2
CSP
SOT
MSOP
QFN/DFN QFN-28
SO/SOIC
SOP SSOP-28
DIP

LTC3868-1 Datasheet

Link to the most up-to-date LTC3868-1 datasheet and the product page for EVM, tools and support information.

LTC3868-1

LTC3868-1 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTC3868 stock available

Available Distributors with stock: 5

Arrow Electronics

ProductStockPriceBuy
LTC3868EUH#PBF 115
1003.29 $
Buy Now
LTC3868EUH#TRPBF 7
102.70 $
13.02 $
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LTC3868EUH#TRPBF 0
1003.39 $
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LTC3868EGN-1#TRPBF 0
1003.24 $
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LTC3868IUH#PBF 0
1003.57 $
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LTC3868IUH#TRPBF 0
1003.67 $
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LTC3868EUFD-1#PBF 0
1003.29 $
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LTC3868EUFD-1#TRPBF 0
1003.39 $
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LTC3868EUFD-1#TRPBF 0
1003.39 $
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Digi-Key

ProductStockPriceBuy
LTC3868EUH#PBF 559
5002.98 €
2503.05 €
1003.21 €
253.88 €
15.84 €
Buy Now
LTC3868IUH#PBF 475
5003.23 €
2503.31 €
1003.48 €
254.21 €
16.34 €
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LTC3868EUFD-1#PBF 208
5002.98 €
2503.05 €
1003.21 €
253.88 €
15.84 €
Buy Now
LTC3868EGN-1#TRPBF 0
25002.92 €
Buy Now
LTC3868EUFD-1#TRPBF 0
25003.05 €
Buy Now
LTC3868EUH#TRPBF 0
25003.05 €
Buy Now
LTC3868EGN-1#PBF 0
2453.07 €
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LTC3868IGN-1#TRPBF 0
25003.17 €
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LTC3868IUFD-1#TRPBF 0
25003.30 €
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LTC3868IUH#TRPBF 0
25003.30 €
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LTC3868IGN-1#PBF 0
1963.34 €
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LTC3868IUFD-1#PBF 0
2193.48 €
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Verical

ProductStockPriceBuy
LTC3868EUH#PBF 115
23.54 $
Buy Now

Mouser Electronics

ProductStockPriceBuy
LTC3868EUH#PBF 109
16.55 $
254.34 $
1003.59 $
2503.41 $
5003.33 $
10003.20 $
Buy Now
LTC3868IUH#PBF 155
17.11 $
254.72 $
1003.90 $
2503.70 $
5003.62 $
10003.48 $
Buy Now
LTC3868EGN-1#PBF 0
16.27 $
254.16 $
1003.43 $
2503.26 $
5003.19 $
10003.07 $
Buy Now
LTC3868EUFD-1#PBF 0
16.55 $
254.34 $
1003.59 $
2503.41 $
5003.33 $
10003.20 $
Buy Now
LTC3868IUFD-1#PBF 0
17.11 $
254.72 $
1003.90 $
2503.70 $
5003.62 $
10003.48 $
Buy Now
LTC3868IGN-1#PBF 0
1963.74 $
2943.56 $
5393.48 $
10293.34 $
Buy Now
LTC3868EGN-1#TRPBF 0
25003.14 $
Buy Now
LTC3868EUFD-1#TRPBF 0
25003.28 $
Buy Now
LTC3868EUH#TRPBF 0
25003.28 $
Buy Now
LTC3868IGN-1#TRPBF 0
25003.42 $
Buy Now
LTC3868IUFD-1#TRPBF 0
25003.55 $
Buy Now
LTC3868IUH#TRPBF 0
25003.55 $
Buy Now
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Quest Components

ProductStockPriceBuy
LTC3868EUFD-1#TRPBF 312
1612.88 $
573.12 $
17.20 $
Buy Now

Available Distributors without stock: 1

Richardson RFPD

ProductStockPriceBuy
LTC3868IGN-1#TRPBF 0
25003.68 $
50003.54 $
Buy Now
LTC3868EUH#PBF 0
1463.64 $
5003.54 $
10003.45 $
50003.32 $
Buy Now
LTC3868EGN-1#PBF 0
1963.49 $
5003.39 $
10003.30 $
50003.17 $
Buy Now
LTC3868EUFD-1#TRPBF 0
25003.53 $
50003.40 $
Buy Now
LTC3868EUFD-1#PBF 0
1463.64 $
5003.54 $
10003.45 $
50003.32 $
Buy Now
LTC3868IUH#TRPBF 0
25003.83 $
50003.68 $
Buy Now
LTC3868IUFD-1#TRPBF 0
25003.83 $
50003.68 $
Buy Now
LTC3868IUH#PBF 0
1463.96 $
5003.85 $
10003.74 $
50003.60 $
Buy Now
LTC3868IUFD-1#PBF 0
1463.96 $
5003.85 $
10003.74 $
50003.60 $
Buy Now
LTC3868IGN-1#PBF 0
1963.79 $
5003.69 $
10003.60 $
50003.46 $
Buy Now
LTC3868EGN-1#TRPBF 0
25003.39 $
50003.25 $
Buy Now
LTC3868EUH#TRPBF 0
25003.53 $
50003.40 $
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3868-1. Or, compare LTC3868-1 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3773 LTC3773 product overviewLTC3773 product overview Linear Technology QFN-38, SSOP-36
0% LTC3802 LTC3802 product overviewLTC3802 product overview Linear Technology QFN-32, SSOP-28
0% LTC3826 LTC3826 product overviewLTC3826 product overview Linear Technology QFN-32
0% LTC3826-1 LTC3826-1 product overviewLTC3826-1 product overview Linear Technology SSOP-28
0% LTC3857 LTC3857 product overviewLTC3857 product overview Linear Technology QFN-32
0% LTC3857-1 LTC3857-1 product overviewLTC3857-1 product overview Linear Technology SSOP-28
0% LTC3858 LTC3858 product overviewLTC3858 product overview Linear Technology QFN-32
0% LTC3858-1 LTC3858-1 product overviewLTC3858-1 product overview Linear Technology QFN-28, SSOP-28
0% LTC3868 LTC3868 product overviewLTC3868 product overview Linear Technology QFN-24
0% LTC3880 LTC3880 product overviewLTC3880 product overview Linear Technology QFN-40
0% LTC3890 LTC3890 product overviewLTC3890 product overview Linear Technology QFN-32
0% LTC3890-1 LTC3890-1 product overviewLTC3890-1 product overview Linear Technology SSOP-28
0% LTC3890-2 LTC3890-2 product overviewLTC3890-2 product overview Linear Technology QFN-32
0% LTC3890-3 LTC3890-3 product overviewLTC3890-3 product overview Linear Technology SSOP-28
25% LTC3858-2 LTC3858-2 product overviewLTC3858-2 product overview Linear Technology QFN-32

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3868-1.

V-IN max. 24 V, I-OUT 25 A, V-OUT min. 0.8 V, Frequency typ. 850 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744302010 0.1 30.0 45.0 0.24 6.95 x 6.8 x 4.7
744302015 0.2 30.0 32.0 0.24 6.95 x 6.8 x 4.7
744303012 0.1 31.0 55.0 0.33 10 x 6.8 x 5
744303015 0.2 31.0 42.0 0.33 10 x 6.8 x 5
744304010 0.1 26.0 52.0 0.17 11.5 x 11.8 x 4
744304016 0.2 26.0 32.0 0.17 11.5 x 11.8 x 4
744307012 0.1 29.0 48.0 0.33 7.4 x 7.2 x 7.2
744307016 0.2 29.0 41.0 0.33 7.4 x 7.2 x 7.2
744308015 0.2 27.0 58.0 0.37 10.1 x 7 x 7
744325016 0.2 25.0 58.0 0.51 10.5 x 10.2 x 5
744355215 0.2 25.0 60.0 0.58 10.5 x 10.2 x 4.2
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