LT1935 Boost Converter Overview
Description
LT1935 is a 38.00 V, 3.20 A switch current limit non-sync Boost Converter from . The input voltage from 2.30 V to 16.00 V can be boosted into an output voltage ranging from 2.30 V to 38.00 V.
Features of the Boost Converter are fixed 1200 kHz switching frequency, a typical inductor size of 4.2 µH and it offers a peak efficiency of up to 87 %. The minimum external component count is 6 and LT1935 is available in 1 package option(s): TSOT23-5 .
Feature and parameter overview with replacement search
For LT1935 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. | 2.30 V | |
| V-IN max. | 16.00 V | |
| Current-Limit typ.? | 3.20 A | |
| V-OUT min. | 2.30 V | |
| V-OUT max. | 38.00 V | |
| VOUT | adjustable | |
| VOUT programmable |  |
|
| sync/non-sync | non-sync | |
| Frequency typ. | 1200 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. | ||
| Frequency sync. max. | ||
| Down Mode | |
|
| Quiescent current max. | -3000 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | ||
| Junction max. | ||
| thermal shutdown typ. | ||
| Inductor size typ. | 4.2 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Boost | |
| Peak Efficiency | 87 % | |
| Component count min. | 6 | |
| current limit adjustable | |
|
| Nr.of package options | 1 | |
| CSP | ||
| SC70 | ||
| SOT | TSOT23-5 | |
| MSOP | ||
| QFN/DFN | ||
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
LT1935 Datasheet
Link to the most up-to-date LT1935 datasheet and the product page for EVM, tools and support information.
LT1935 Price breaks and distributor sample stock
LT1935 prices and available online distributors.
Available Distributors with stock: 3
Digi-Key (2)
| Product | Stock | Price | Buy | ||||||||
| LT1935ES5#TRMPBF | 0 |
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| LT1935ES5#TRMPBF | 354 |
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| LT1935ES5#TRMPBF | 354 |
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| LT1935ES5#TRPBF | 0 |
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| LT1935ES5#TRPBF | 0 |
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| LT1935ES5#TRPBF | 0 |
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| DC683A | 0 |
| Buy Now |
Mouser Electronics (1)
Reichelt Elektronik (1)
Available Distributors without stock: 3
Element14 (0)
Farnell Element14 (0)
Rutronik (0)
Available Distributors with stock: 5
Arrow Electronics
| Product | Stock | Price | Buy | ||||||||||||
| LT1935ES5#TRMPBF | 217 |
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| LT1935ES5#TRPBF | 0 |
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| LT1935ES5#TRM | 0 |
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| LT1935ES5#TRMPBF | 0 |
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| LT1935ES5#TRMPBF | 0 |
| Buy Now |
Digi-Key
| Product | Stock | Price | Buy | ||||||||
| LT1935ES5#TRMPBF | 354 |
| Buy Now | ||||||||
| LT1935ES5#TRMPBF | 354 |
| Buy Now | ||||||||
| LT1935ES5#TRMPBF | 0 |
| Buy Now | ||||||||
| LT1935ES5#TRPBF | 0 |
| Buy Now | ||||||||
| LT1935ES5#TRPBF | 0 |
| Buy Now | ||||||||
| LT1935ES5#TRPBF | 0 |
| Buy Now | ||||||||
| DC683A | 0 |
| Buy Now |
Bristol Electronics
Chip1Stop
RS Components
Available Distributors without stock: 2
Mouser Electronics
Farnell element14
Alternatives and equivalents
The following DC/DC Boost Converter are similar to LT1935. Optional, compare LT1935 side-by-side with other Boost Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 10% | LT3489 |  LT3489 product overview |
Linear Technology | MSOP-8E | |
| 10% | MIC2253-06 | MIC2253-06 product overview |
Micrel | MLF-12 | |
| 25% | LT1946 | LT1946 product overview |
Linear Technology | MSOP-8 | |
| 25% | LT1946A | LT1946A product overview |
Linear Technology | MSOP-8 | |
| 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% | LT3467 | LT3467 product overview |
Linear Technology | SOT23-6, DFN-6 | |
| 50% | LT3467A | LT3467A product overview |
Linear Technology | SOT23-6, DFN-6 | |
| 50% | CS5171 | CS5171 product overview |
ON Semiconductor | SOIC-8 | |
| 50% | CS5173 | CS5173 product overview |
ON Semiconductor | SOIC-8 | |
| 50% | NCV5171 | NCV5171 product overview |
ON Semiconductor | SOIC-8 | |
| 50% | NCV5173 | NCV5173 product overview |
ON Semiconductor | SOIC-8 | |
| 50% | SC4503 | SC4503 product overview |
Semtech | TSOT23-5, MLPD-8 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1935.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
