LTC3861 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3861 is a 1 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 is available in 1 package option(s): QFN-36 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 1
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-36
SO/SOIC
SOP
DIP

LTC3861 Datasheet

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

LTC3861

LTC3861 inventory, samples and price

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Available Distributors with stock: 4

Chip One Stop (1)

ProductStockPriceBuy
LTC3861EUHE#PBF92
14.62 USD
104.44 USD
504.11 USD
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Digi-Key (5)

ProductStockPriceBuy
LTC3861EUH-1#PBF511
15.90 USD
253.94 USD
1003.35 USD
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LTC3861EUHE#PBF273
16.16 USD
254.11 USD
1003.50 USD
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DC1822A3
1251.25 USD
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LTC3861IUH-1#PBF63
16.53 USD
254.37 USD
1003.72 USD
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LTC3861IUHE#PBF61
16.78 USD
254.54 USD
1003.86 USD
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LTC3861EUH-1#TRPBF0
25003.45 USD
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LTC3861EUHE#TRPBF0
25003.60 USD
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LTC3861IUH-1#TRPBF0
25003.82 USD
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LTC3861IUHE#TRPBF0
25003.96 USD
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Element14 (2)

ProductStockPriceBuy
LTC3861EUH-1#PBF0
19.23 USD
256.17 USD
1005.24 USD
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LTC3861EUHE#PBF67
19.64 USD
256.43 USD
1005.48 USD
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LTC3861IUH-1#PBF48
110.21 USD
256.84 USD
1005.82 USD
Buy Now

Farnell Element14 (2)

ProductStockPriceBuy
LTC3861EUHE#PBF67Buy Now
LTC3861IUH-1#PBF48Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3861EUH-1#PBF0
15.90 USD
253.96 USD
1003.35 USD
Buy Now
LTC3861EUHE#PBF0
16.16 USD
254.13 USD
1003.50 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3861 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3861. Or, compare LTC3861 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.

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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