LTC3412A Buck Converter overview
Description
LTC3412A is a 5.50 V sync Buck Converter from with 3.00 A output current. The maximum 5.50 V input voltage can be regulated down into a 0.80 V to 5.50 V output voltage.
It requires are a typical inductor size of 0.47 µH, a typical external component count of 11 and achieves a peak efficiency of 95 %. Further LTC3412A characteristics are a adjustable 1000 kHz switching frequency and 2 available package option(s): QFN-16 TSSOP-16 .
Parameter overview and features with replacement search
For the LTC3412A replacement search, please select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.
| Parameter | Value | Replacement Search Filter |
| V-IN min. | 2.25 V | |
| V-IN max. | 5.50 V | |
| I-OUT? | 3.00 A | |
| V-OUT min. | 0.80 V | |
| V-OUT max. | 5.50 V | |
| V-OUT | adjustable V | |
| V-OUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 1000 kHz | |
| Frequency | adjustable | |
| Frequency selectable | ||
| ext.clock sync. |  |
|
| Frequency adj./ ext.clock min. | 300 kHz | |
| Frequency adj./ ext.clock max | 4000 kHz | |
| Softstart | |
|
| Softstart adjustable | |
|
| Tracking | |
|
| PG/Power OK | |
|
| Quiescent current max. | 330 µA | |
| Operating min. | ||
| Operating max. | ||
| Junction min. | -40 °C | |
| Junction max. | 125 °C | |
| thermal shutdown typ. | ||
| Inductor size typ. | 0.47 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Buck | |
| Peak Efficiency | 95 % | |
| Component count min. | 11 | |
| current limit adjustable | |
|
| Nr.of packages | 2 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | QFN-16 | |
| SO/SOIC | ||
| SOP | TSSOP-16 | |
| DIP | ||
| TO | ||
| DDPAK |
LTC3412A Datasheet
Link to the most up-to-date LTC3412A datasheet and the product page for EVM, tools and support information.
LTC3412A Sample stock and distributor price breaks
LTC3412A prices and online available distributors.
Available Distributors with stock: 0
Available Distributors with stock: 0
List of equivalents and alternatives
The following DC/DC Buck Converter are similar to LTC3412A. Optional, compare LTC3412A side-by-side with other Buck Converter via the Comparison function.
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3412A.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 74402500072 | 0.7 | 3.0 | 4.0 | 23.50 | 2.8 x 2.8 x 3 | |
| 74404300082 | 0.8 | 3.5 | 3.7 | 14.00 | 4.8 x 4.8 x 3 | |
| 74406800056 | 0.6 | 3.4 | 4.0 | 22.00 | 8 x 8 x 1.2 | |
| 74406900052 | 0.5 | 4.3 | 5.8 | 15.00 | 8 x 8 x 1.5 | |
| 74407000082 | 0.8 | 6.2 | 5.5 | 8.50 | 8 x 8 x 2 | |
| 744089410068 | 0.7 | 3.4 | 6.5 | 22.10 | 4.8 x 4.8 x 2.1 | |
| 744089420082 | 0.8 | 3.5 | 6.7 | 21.00 | 4.8 x 4.8 x 3.1 | |
| 744089430082 | 0.8 | 3.4 | 7.1 | 17.00 | 4.8 x 4.8 x 4.1 | |
| 744383230068 | 0.7 | 3.1 | 4.7 | 46.00 | 2.5 x 2 x 1 | |
| 744383240056 | 0.6 | 3.3 | 6.0 | 37.00 | 2.5 x 2 x 1.2 | |
| 744383240068 | 0.7 | 3.2 | 5.9 | 45.00 | 2.5 x 2 x 1.2 | |
| 744383350082 | 0.8 | 3.5 | 7.0 | 30.00 | 3 x 3 x 1.5 | |
| 744383360068 | 0.7 | 4.5 | 6.2 | 22.00 | 3 x 3 x 2 | |
| 784383230068 | 0.7 | 3.1 | 4.7 | 46.00 | 2.5 x 2 x 1 | |
| 784383350082 | 0.8 | 3.5 | 7.0 | 30.00 | 3 x 3 x 1.5 |
