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 | ![]() |
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sync/non-sync | sync | |
Frequency typ. | 1000 kHz | |
Frequency | adjustable | |
Frequency selectable | ||
ext.clock sync. | ![]() |
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Frequency adj./ ext.clock min. | 300 kHz | |
Frequency adj./ ext.clock max | 4000 kHz | |
Softstart | ![]() |
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Softstart adjustable | ![]() |
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Tracking | ![]() |
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PG/Power OK | ![]() |
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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 | ![]() |
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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: 6
Chip-One-Stop (8)
Product | Stock | Price | Buy | ||||||||||||
LTC3412AEFE#PBF | 111 |
| Buy Now | ||||||||||||
LTC3412AEFE#PBF | 750 |
| Buy Now | ||||||||||||
LTC3412AEFE#TRPBF | 75 |
| Buy Now | ||||||||||||
LTC3412AEUF#PBF | 115 |
| Buy Now | ||||||||||||
LTC3412AEUF#PBF | 3186 |
| Buy Now | ||||||||||||
LTC3412AEUF#TRPBF | 2728 |
| Buy Now | ||||||||||||
LTC3412AIFE#PBF | 302 |
| Buy Now | ||||||||||||
LTC3412AMPFE#PBF | 36 |
| Buy Now |
DIGI-KEY (6)
Product | Stock | Price | Buy | ||||||
LTC3412AEFE#PBF | 2 | Buy Now | |||||||
LTC3412AEFE#PBF | 1264 |
| Buy Now | ||||||
LTC3412AIUF#PBF | 342 |
| Buy Now | ||||||
LTC3412AMPFE#PBF | 64 |
| Buy Now | ||||||
LTC3412AIFE#PBF | 65 |
| Buy Now | ||||||
LTC3412AEUF#PBF | 10 |
| Buy Now | ||||||
LTC3412AEFE#TRPBF | 0 |
| Buy Now | ||||||
LTC3412AEUF#TRPBF | 0 |
| Buy Now | ||||||
LTC3412AIFE#TRPBF | 0 |
| Buy Now | ||||||
LTC3412AIUF#TRPBF | 0 |
| Buy Now | ||||||
LTC3412AMPFE#TRPBF | 0 |
| Buy Now |
Element14 (3)
FARNELL-ELEMENT14 (3)
RS-COMPONENTS (2)
TME (1)
Available Distributors without stock: 1
NEWARK (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 |