LTC3729 Buck Controller overview
Description
Manufacturer
Category
Sub-Category
LTC3729 is a 1 channel, 12 phase sync Buck Controller. The maximum input voltage ranges from 4.00 V to 36.00 V and output current goes up to 240.00 A.
The Controller features fixed 550 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3729 is available in 1 package option(s): SSOP-28 .
Parameter and features overview
| Parameter | Value | Replacement Search Filter |
| Nr. of Channel | 1 | |
| V-IN min. | 4.00 V | |
| V-IN max. | 36.00 V | |
| I-OUT? | 240.00 A | |
| V-OUT min. | 0.80 V | |
| V-OUT max. | 5.00 V | |
| V-OUT | adjustable | |
| V-OUT programmable | ||
| sync/non-sync | sync | |
| Frequency typ. | 550 kHz | |
| Frequency adj. | fixed | |
| Frequency adj. min. | ||
| Frequency adj. max. | ||
| ext.clock sync. |  |
|
| ext.clock Frequency min. | ||
| ext.clock Frequency max. | ||
| 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 | ||
| SO/SOIC | ||
| SOP | SSOP-28 | |
| DIP |
LTC3729 Datasheet
Link to the most up-to-date LTC3729 datasheet and the product page for EVM, tools and support information.
LTC3729 inventory, samples and price
Available Distributors with stock: 2
Chip One Stop (4)
Digi-Key (3)
| Product | Stock | Price | Buy | ||||||
| LTC3729EG#PBF | 1226 |
| Buy Now | ||||||
| LTC3729EUH#PBF | 821 |
| Buy Now | ||||||
| DC509B | 1 |
| Buy Now | ||||||
| LTC3729EG#TRPBF | 0 |
| Buy Now | ||||||
| LTC3729LEUH-6#PBF | 0 |
| Buy Now | ||||||
| LTC3729LEUH-6#TRPBF | 0 |
| Buy Now | ||||||
| LTC3729EUH#TRPBF | 0 |
| Buy Now |
Available Distributors without stock: 1
Newark Electronics (0)
Available Distributors with stock: 9
Arrow Electronics
| Product | Stock | Price | Buy | ||||||
| LTC3729EG#TR | 2000 |
| Buy Now | ||||||
| LTC3729EUH | 1897 |
| Buy Now | ||||||
| LTC3729EUH#PBF | 408 |
| Buy Now | ||||||
| LTC3729EG#PBF | 243 |
| Buy Now | ||||||
| LTC3729LEUH-6#PBF | 116 |
| Buy Now | ||||||
| LTC3729EG#TRPBF | 0 |
| Buy Now | ||||||
| LTC3729LEUH-6#TRPBF | 0 |
| Buy Now |
Digi-Key
| Product | Stock | Price | Buy | ||||||
| LTC3729EG#PBF | 1226 |
| Buy Now | ||||||
| LTC3729EUH#PBF | 821 |
| Buy Now | ||||||
| DC509B | 1 |
| Buy Now | ||||||
| LTC3729EG#TRPBF | 0 |
| Buy Now | ||||||
| LTC3729LEUH-6#PBF | 0 |
| Buy Now | ||||||
| LTC3729LEUH-6#TRPBF | 0 |
| Buy Now | ||||||
| LTC3729EUH#TRPBF | 0 |
| Buy Now |
Mouser Electronics
Bristol Electronics
Quest Components
Ameya Holding Limited
ComS.I.T.
Chip One Exchange
Chip1Stop
Available Distributors without stock: 1
Newark element14
Table with equivalents and alternatives
The following Buck Controller are similar to LTC3729. Or, compare LTC3729 side-by-side with other Buck Controller via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 25% | LTC3729L-6 |  LTC3729L-6 product overview |
Linear Technology | SSOP-28 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3729.
V-IN max. 36 V, I-OUT 240 A, V-OUT min. 0.8 V, Frequency typ. 550 kHz
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
