LTC3864 Buck Controller overview
Description
Manufacturer
Category
Sub-Category
LTC3864 is a 1 channel, phase non-sync Buck Controller. The maximum input voltage ranges from 3.50 V to 60.00 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 LTC3864 is available in 2 package option(s): MS-12 DFN-12 .
Parameter and features overview
Parameter | Value | Replacement Search Filter |
Nr. of Channel | 1 | |
V-IN min. | 3.50 V | |
V-IN max. | 60.00 V | |
I-OUT? | 25.00 A | |
V-OUT min. | 0.80 V | |
V-OUT max. | 60.00 V | |
V-OUT | adjustable | |
V-OUT programmable | ||
sync/non-sync | non-sync | |
Frequency typ. | 850 kHz | |
Frequency adj. | adjustable | |
Frequency adj. min. | 50 kHz | |
Frequency adj. max. | 850 kHz | |
ext.clock sync. | ![]() |
|
ext.clock Frequency min. | 75 kHz | |
ext.clock Frequency max. | 750 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 | single | |
Nr. of Phases | ||
Peak Efficiency | ||
component count min. | ||
current limit adjustable | ||
Nr.of package options | 2 | |
CSP | ||
SOT | ||
MSOP | MS-12 | |
QFN/DFN | DFN-12 | |
SO/SOIC | ||
SOP | ||
DIP |
LTC3864 Datasheet
Link to the most up-to-date LTC3864 datasheet and the product page for EVM, tools and support information.
LTC3864 inventory, samples and price


Available Distributors with stock: 0
no online Distributor with LTC3864 stock available
Available Distributors with stock: 0
no online Distributor with LTC3864 stock available
Table with equivalents and alternatives
The following Buck Controller are similar to LTC3864. Or, compare LTC3864 side-by-side with other Buck Controller via the Comparison function.
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3864.
V-IN max. 60 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 |