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 | ![]() |
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sync/non-sync | non-sync | |
Frequency typ. | 800 kHz | |
Frequency adjustable | fixed | |
Frequency selectable | ||
Frequency adj. min. | ||
Frequency adj. max. | ||
extern clock sync. | ![]() |
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Softstart | ![]() |
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Softstart adjustable | ![]() |
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Tracking | ![]() |
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PG/Power OK | ![]() |
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LBI/LBO | ![]() |
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Frequency sync. min. | 1000 kHz | |
Frequency sync. max. | 1400 kHz | |
Down Mode | ![]() |
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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 | ![]() |
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Light-Load-Mode | ![]() |
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Topology | Boost | |
Peak Efficiency | 86 % | |
Component count min. | 9 | |
current limit adjustable | ![]() |
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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: 0
Available Distributors with stock: 7
Digi-Key
Product | Stock | Price | Buy | ||||||
LT3436EFE#PBF | 281 |
| Buy Now | ||||||
LT3436EFE#TRPBF | 0 |
| Buy Now |
Mouser Electronics
Product | Stock | Price | Buy | ||||||||||||
LT3436EFE#PBF | 1793 |
| Buy Now |
Rochester Electronics
America II Electronics
Bristol Electronics
Quest Components
RS Components
Available Distributors without stock: 3
Richardson RFPD
element14 Asia-Pacific
Farnell element14
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 | ![]() |
Linear Technology | TO220-5, DD-5 | |
0% | LT1171HV | ![]() |
Linear Technology | TO220-5, DD-5 | |
0% | LT1371 | ![]() |
Linear Technology | SO-20, TO220-7, DD-7 | |
0% | LT1371HV | ![]() |
Linear Technology | SO-20, TO220-7, DD-7 | |
50% | LT1172 | ![]() |
Linear Technology | SO-8, DIP-8, TO220-5, DD-5 | |
50% | LT1172HV | ![]() |
Linear Technology | SO-8, DIP-8, TO220-5, DD-5 | |
50% | LT1373 | ![]() |
Linear Technology | SO-8, PDIP-8 | |
50% | LT1373HV | ![]() |
Linear Technology | SO-8, PDIP-8 | |
50% | LT1961 | ![]() |
Linear Technology | MSOP-8 | |
50% | MIC2172 | ![]() |
Micrel | SOIC-8, DIP-8 | |
50% | CS5173 | ![]() |
ON Semiconductor | SOIC-8 | |
50% | NCV5173 | ![]() |
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) |