LTC3865-1 Buck Controller overview

Description

Manufacturer
 
Category
Sub-Category

LTC3865-1 is a 2 channel, 2 phase sync Buck Controller. The maximum input voltage ranges from 4.50 V to 38.00 V and output current goes up to 25.00 A.

The Controller features adjustable 770 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3865-1 is available in 1 package option(s): QFN-32 .

Parameter and features overview

ParameterValueReplacement
Search Filter
Nr. of Channel 2
V-IN min. 4.50 V
V-IN max. 38.00 V
I-OUT? 25.00 A
V-OUT min. 0.60 V
V-OUT max. 5.00 V
V-OUT adjustable
V-OUT programmable
sync/non-sync sync
Frequency typ. 770 kHz
Frequency adj. adjustable
Frequency adj. min. 250 kHz
Frequency adj. max. 770 kHz
ext.clock sync. yes
ext.clock Frequency min. 250 kHz
ext.clock Frequency max. 770 kHz
Softstart
Softstart adjustable
Tracking
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 2
Peak Efficiency
component count min.
current limit adjustable
Nr.of package options 1
CSP
SOT
MSOP
QFN/DFN QFN-32
SO/SOIC
SOP
DIP

LTC3865-1 Datasheet

Link to the most up-to-date LTC3865-1 datasheet and the product page for EVM, tools and support information.

LTC3865-1

LTC3865-1 inventory, samples and price

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Available Distributors with stock: 3

ARROW-NAC (2)

ProductStockPriceBuy
LTC3865EUH-1#PBF48
13.79 USD
1003.22 USD
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LTC3865EUH#PBF21
13.79 USD
1003.22 USD
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Chip-One-Stop (1)

ProductStockPriceBuy
LTC3865EUH#PBF778
15.78 USD
104.87 USD
254.81 USD
504.59 USD
1004.48 USD
2004.27 USD
Buy Now

DIGI-KEY (3)

ProductStockPriceBuy
LTC3865EUH-1#PBF1266
15.65 USD
253.79 USD
1003.22 USD
Buy Now
LTC3865EUH#PBF262
15.65 USD
253.79 USD
1003.22 USD
Buy Now
LTC3865EFE#PBF230
16.16 USD
254.09 USD
1003.47 USD
Buy Now
LTC3865EUH#TRPBF0
25003.32 USD
Buy Now
LTC3865EUH-1#TRPBF0
25003.32 USD
Buy Now
LTC3865EFE#TRPBF0
20003.57 USD
Buy Now
LTC3865IUH#PBF0
4383.57 USD
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LTC3865IUH-1#PBF0
4383.57 USD
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LTC3865IUH#TRPBF0
25003.67 USD
Buy Now
LTC3865IUH-1#TRPBF0
25003.67 USD
Buy Now
LTC3865IFE#PBF0
2003.80 USD
Buy Now
LTC3865IFE#TRPBF0
20003.90 USD
Buy Now

Available Distributors without stock: 1

NEWARK (0)

ProductStockPriceBuy
LTC3865EUH-1#PBF0
15.67 USD
253.80 USD
1003.22 USD
Buy Now
LTC3865EUH-1#TRPBF0
15.50 USD
25003.95 USD
Buy Now
LTC3865EUH#PBF0
15.67 USD
253.80 USD
1003.22 USD
Buy Now

Available Distributors with stock: 0

no online Distributor with LTC3865 stock available

Table with equivalents and alternatives

The following Buck Controller are similar to LTC3865-1. Or, compare LTC3865-1 side-by-side with other Buck Controller via the Comparison function.

Variation Compare Product Manufacturer Package
0% LTC3865 LTC3865 product overviewLTC3865 product overview Linear Technology QFN-32, TSSOP-38

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3865-1.

V-IN max. 38 V, I-OUT 25 A, V-OUT min. 0.6 V, Frequency typ. 770 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
744303012 0.1 31.0 55.0 0.33 10 x 6.8 x 5
744304010 0.1 26.0 52.0 0.17 11.5 x 11.8 x 4
744307012 0.1 29.0 48.0 0.33 7.4 x 7.2 x 7.2
7443081012 0.1 38.0 85.0 0.29 9.4 x 6.2 x 8.1
0Results
Module
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Replacement Search with
0% tolerance (0)
10% tolerance (0)
25% tolerance (0)
50% tolerance (0)
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