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 |
