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
| Parameter | Value | Replacement 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. |  |
|
| ext.clock Frequency min. | ||
| ext.clock Frequency max. | 2250 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 | 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 inventory, samples and price
Available Distributors with stock: 0
no online Distributor with LTC3861 stock available
Available Distributors with stock: 4
Arrow Electronics
| Product | Stock | Price | Buy | ||||||||
| LTC3861IUH-1#PBF | 2462 |
| Buy Now | ||||||||
| LTC3861EUH-1#PBF | 84 |
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| LTC3861EUH-1#TRPBF | 0 |
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| LTC3861IUHE#TRPBF | 0 |
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| LTC3861EUHE#PBF | 0 |
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| LTC3861EUHE#PBF | 0 |
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| LTC3861IUH-1#TRPBF | 0 |
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| LTC3861IUHE#PBF | 0 |
| Buy Now | ||||||||
| LTC3861EUHE#TRPBF | 0 |
| Buy Now |
Digi-Key
| Product | Stock | Price | Buy | ||||||
| LTC3861EUHE#PBF | 311 |
| Buy Now | ||||||
| LTC3861EUH-1#PBF | 55 |
| Buy Now | ||||||
| DC1822B | 3 |
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| LTC3861IUHE#PBF | 3 |
| Buy Now | ||||||
| LTC3861EUH-1#TRPBF | 0 |
| Buy Now | ||||||
| LTC3861EUHE#TRPBF | 0 |
| Buy Now | ||||||
| LTC3861IUH-1#TRPBF | 0 |
| Buy Now | ||||||
| LTC3861IUHE#TRPBF | 0 |
| Buy Now | ||||||
| LTC3861IUH-1#PBF | 0 |
| Buy Now | ||||||
| DC1822A | 0 | Buy Now |
Verical
Rochester Electronics
Available Distributors without stock: 3
Avnet Americas
Richardson RFPD
Farnell element14
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.
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) |
