LTC3861-1 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3861-1 is a 2 channel, 12 phase sync Buck Controller. The maximum input voltage ranges from 3.00 V to 24.00 V and output current goes up to 60.00 A.

The Controller features adjustable 2250 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3861-1 is available in 1 package option(s): QFN-32 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 3.00 V
V-IN max. 24.00 V
I-OUT? 60.00 A
V-OUT min. 0.60 V
V-OUT max. 5.50 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 2250 kHz
Frequency adj. adjustable
Frequency adj. min.
Frequency adj. max. 2250 kHz
ext.clock sync. yes
ext.clock Frequency min.
ext.clock Frequency max. 2250 kHz
Softstart
Softstart adjustable
Tracking yes
Power Good (PG)
Enable
Operating min.
Operating max.
Junction min.
Junction max.
thermal shutdown typ.
Inductor size typ.
Automotive AEC-Q100
Light-Load Mode
Single/ Multiphase multi
Nr. of Phases 12
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN QFN-32
SO/SOIC
SOP
DIP

LTC3861-1 Datasheet

Link to the most up-to-date LTC3861-1 datasheet and the product page for EVM, tools and support information.

LTC3861-1

LTC3861-1 inventory, samples and price

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Available Distributors with stock: 0

no online Distributor with LTC3861 stock available

Available Distributors with stock: 4

Arrow Electronics

ProductStockPriceBuy
LTC3861IUH-1#PBF 2462
1003.72 $
14.37 $
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LTC3861EUH-1#PBF 84
1003.35 $
254.21 $
16.35 $
Buy Now
LTC3861EUH-1#TRPBF 0
25003.45 $
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LTC3861IUHE#TRPBF 0
25003.96 $
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LTC3861EUHE#PBF 0
10003.25 $
5003.37 $
2503.46 $
1833.50 $
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LTC3861EUHE#PBF 0
2503.56 $
1833.64 $
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LTC3861IUH-1#TRPBF 0
25003.82 $
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LTC3861IUHE#PBF 0
1833.86 $
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LTC3861EUHE#TRPBF 0
25003.60 $
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Digi-Key

ProductStockPriceBuy
LTC3861EUHE#PBF 311
1003.45 €
254.18 €
16.29 €
Buy Now
LTC3861EUH-1#PBF 55
1003.29 €
253.98 €
16.00 €
Buy Now
DC1822B 3
1226.25 €
Buy Now
LTC3861IUHE#PBF 3
1003.80 €
254.60 €
16.92 €
Buy Now
LTC3861EUH-1#TRPBF 0
25003.15 €
Buy Now
LTC3861EUHE#TRPBF 0
25003.28 €
Buy Now
LTC3861IUH-1#TRPBF 0
25003.48 €
Buy Now
LTC3861IUHE#TRPBF 0
25003.62 €
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LTC3861IUH-1#PBF 0
1463.69 €
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DC1822A 0 Buy Now
show stock=0hide stock=0

Verical

ProductStockPriceBuy
LTC3861IUH-1#PBF 2462
1003.72 $
24.37 $
Buy Now
LTC3861IUH-1#PBF 144
1004.12 $
504.24 $
254.37 $
34.50 $
Buy Now
LTC3861EUH-1#PBF 84
1003.35 $
254.21 $
26.35 $
Buy Now

Rochester Electronics

ProductStockPriceBuy
LTC3861EUH-1#PBF 511
10003.08 $
5003.11 $
1003.15 $
253.18 $
13.21 $
Buy Now

Available Distributors without stock: 3

Avnet Americas

ProductStockPriceBuy
LTC3861EUHE#3JHPBF 0

Richardson RFPD

ProductStockPriceBuy
LTC3861EUH-1#PBF 0
1463.71 $
5003.61 $
10003.52 $
50003.39 $
Buy Now
LTC3861EUHE#TRPBF 0
25003.74 $
50003.60 $
Buy Now
LTC3861IUHE#TRPBF 0
25004.13 $
50003.98 $
Buy Now
LTC3861EUHE#PBF 0
1833.89 $
5003.77 $
10003.68 $
50003.54 $
Buy Now
LTC3861IUHE#PBF 0
1834.27 $
5004.16 $
10004.05 $
50003.90 $
Buy Now
LTC3861EUH-1#TRPBF 0
25003.60 $
50003.46 $
Buy Now
LTC3861IUH-1#TRPBF 0
25003.97 $
50003.83 $
Buy Now
LTC3861IUH-1#PBF 0
1464.12 $
5004.01 $
10003.91 $
50003.75 $
Buy Now

Farnell element14

ProductStockPriceBuy
LTC3861EUH-1#PBF 0
1002.73 GBP
253.00 GBP
14.96 GBP
Buy Now
LTC3861EUHE#PBF 0
252.54 GBP
102.83 GBP
13.42 GBP
Buy Now

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3861-1. Or, compare LTC3861-1 side-by-side with other Buck Controller via the Comparison function.

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Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3861-1.

V-IN max. 24 V, I-OUT 60 A, V-OUT min. 0.6 V, Frequency typ. 2250 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
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