LT3482 Boost Converter Overview
Description
LT3482 is a 90.00 V, 0.36 A switch current limit non-sync Boost Converter from . The input voltage from 2.50 V to 16.00 V can be boosted into an output voltage ranging from 2.50 V to 90.00 V.
Features of the Boost Converter are adjustable 650 kHz switching frequency, a typical inductor size of 10.0 µH and it offers a peak efficiency of up to 85 %. The minimum external component count is 11 and LT3482 is available in 1 package option(s): QFN-16 .
Feature and parameter overview with replacement search
For LT3482 replacement search, 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. | 2.50 V | |
| V-IN max. | 16.00 V | |
| Current-Limit typ.? | 0.36 A | |
| V-OUT min. | 2.50 V | |
| V-OUT max. | 90.00 V | |
| VOUT | adjustable | |
| VOUT programmable |  |
|
| sync/non-sync | non-sync | |
| Frequency typ. | 650 kHz | |
| Frequency adjustable | adjustable | |
| Frequency selectable | 650/1100 kHz | |
| Frequency adj. min. | ||
| Frequency adj. max. | ||
| extern clock sync. | |
|
| Softstart |  |
|
| Softstart adjustable | |
|
| Tracking | |
|
| PG/Power OK | |
|
| LBI/LBO | |
|
| Frequency sync. min. | ||
| Frequency sync. max. | ||
| Down Mode | |
|
| Quiescent current max. | 4000 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | ||
| Junction max. | ||
| thermal shutdown typ. | ||
| Inductor size typ. | 10.0 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Boost | |
| Peak Efficiency | 85 % | |
| Component count min. | 11 | |
| current limit adjustable | |
|
| Nr.of package options | 1 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | QFN-16 | |
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
LT3482 Datasheet
Link to the most up-to-date LT3482 datasheet and the product page for EVM, tools and support information.
LT3482 Price breaks and distributor sample stock
LT3482 prices and available online distributors.
Available Distributors with stock: 6
ARROW-NAC (2)
Chip-One-Stop (3)
Element14 (2)
FARNELL-ELEMENT14 (2)
NEWARK (1)
TME (1)
Available Distributors with stock: 0
Alternatives and equivalents
The following DC/DC Boost Converter are similar to LT3482. Optional, compare LT3482 side-by-side with other Boost Converter via the Comparison function.
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3482.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 744310055 | 0.5 | 14.0 | 20.0 | 3.70 | 7 x 6.9 x 3.3 | |
| 744311068 | 0.7 | 17.0 | 20.0 | 3.10 | 7 x 6.9 x 4 | |
| 744314076 | 0.8 | 15.5 | 15.0 | 2.25 | 7 x 6.9 x 5 | |
| 744323068 | 0.7 | 14.0 | 21.0 | 4.79 | 10.6 x 10.6 x 3.1 | |
| 7443340068 | 0.7 | 19.0 | 23.5 | 2.65 | 8.4 x 7.9 x 7.5 | |
| 744355090 | 0.9 | 24.0 | 28.0 | 1.62 | 13 x 12.8 x 5 | |
| 744355256 | 0.6 | 20.0 | 30.0 | 1.61 | 10.5 x 10.2 x 4.2 | |
| 744373580068 | 0.7 | 15.0 | 28.0 | 2.75 | 8.64 x 8.5 x 4 | |
| 744373770056 | 0.6 | 18.5 | 28.0 | 1.40 | 13.5 x 12.6 x 3.5 | |
| 744373770068 | 0.7 | 17.5 | 27.0 | 1.80 | 13.5 x 12.6 x 3.5 | |
| 74477008 | 0.8 | 19.8 | 21.0 | 3.30 | 12 x 12 x 8 |
