LT3436 Boost Converter Overview
Description
LT3436 is a 34.00 V, 4.00 A switch current limit non-sync Boost Converter from . The input voltage from 3.00 V to 25.00 V can be boosted into an output voltage ranging from 3.00 V to 34.00 V.
Features of the Boost Converter are fixed 800 kHz switching frequency, a typical inductor size of 3.9 µH and it offers a peak efficiency of up to 86 %. The minimum external component count is 9 and LT3436 is available in 1 package option(s): TSSOP-16E .
Feature and parameter overview with replacement search
For LT3436 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. | 3.00 V | |
| V-IN max. | 25.00 V | |
| Current-Limit typ.? | 4.00 A | |
| V-OUT min. | 3.00 V | |
| V-OUT max. | 34.00 V | |
| VOUT | adjustable | |
| VOUT programmable |  |
|
| sync/non-sync | non-sync | |
| Frequency typ. | 800 kHz | |
| Frequency adjustable | fixed | |
| Frequency selectable | ||
| Frequency adj. min. | ||
| Frequency adj. max. | ||
| extern clock sync. |  |
|
| Softstart | |
|
| Softstart adjustable | |
|
| Tracking | |
|
| PG/Power OK | |
|
| LBI/LBO | |
|
| Frequency sync. min. | 1000 kHz | |
| Frequency sync. max. | 1400 kHz | |
| Down Mode | |
|
| Quiescent current max. | 1300 µA | |
| Operating min. | ||
| Operating max. | ||
| Junction min. | -40 °C | |
| Junction max. | 125 °C | |
| thermal shutdown typ. | ||
| Inductor size typ. | 3.9 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Boost | |
| Peak Efficiency | 86 % | |
| Component count min. | 9 | |
| current limit adjustable | |
|
| Nr.of package options | 1 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | ||
| SO/SOIC | ||
| SOP | TSSOP-16E | |
| DIP | ||
| TO | ||
| DDPAK |
LT3436 Datasheet
Link to the most up-to-date LT3436 datasheet and the product page for EVM, tools and support information.
LT3436 Price breaks and distributor sample stock
LT3436 prices and available online distributors.
Available Distributors with stock: 6
Chip-One-Stop (1)
| Product | Stock | Price | Buy | ||||||||||||
| LT3436EFE#PBF | 200 |
| Buy Now |
DIGI-KEY (1)
Element14 (1)
FARNELL-ELEMENT14 (1)
RS-COMPONENTS (2)
TME (1)
Available Distributors without stock: 1
NEWARK (0)
Available Distributors with stock: 0
Alternatives and equivalents
The following DC/DC Boost Converter are similar to LT3436. Optional, compare LT3436 side-by-side with other Boost Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | LT1171 |  LT1171 product overview |
Linear Technology | TO220-5, DD-5 | |
| 0% | LT1171HV | LT1171HV product overview |
Linear Technology | TO220-5, DD-5 | |
| 0% | LT1371 | LT1371 product overview |
Linear Technology | SO-20, TO220-7, DD-7 | |
| 0% | LT1371HV | LT1371HV product overview |
Linear Technology | SO-20, TO220-7, DD-7 | |
| 50% | LT1172 | LT1172 product overview |
Linear Technology | SO-8, DIP-8, TO220-5, DD-5 | |
| 50% | LT1172HV | LT1172HV product overview |
Linear Technology | SO-8, DIP-8, TO220-5, DD-5 | |
| 50% | LT1373 | LT1373 product overview |
Linear Technology | SO-8, PDIP-8 | |
| 50% | LT1373HV | LT1373HV product overview |
Linear Technology | SO-8, PDIP-8 | |
| 50% | LT1961 | LT1961 product overview |
Linear Technology | MSOP-8 | |
| 50% | MIC2172 | MIC2172 product overview |
Micrel | SOIC-8, DIP-8 | |
| 50% | CS5173 | CS5173 product overview |
ON Semiconductor | SOIC-8 | |
| 50% | NCV5173 | NCV5173 product overview |
ON Semiconductor | SOIC-8 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT3436.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
