LT1615 Boost Converter Overview
Description
LT1615 is a 34.00 V, 0.35 A switch current limit non-sync Boost Converter from . The input voltage from 1.20 V to 15.00 V can be boosted into an output voltage ranging from 1.20 V to 34.00 V.
Features of the Boost Converter are fixed 2500 kHz switching frequency, a typical inductor size of 10.0 µH and it offers a peak efficiency of up to 80 %. The minimum external component count is 6 and LT1615 is available in 1 package option(s): TSOT23-5 .
Feature and parameter overview with replacement search
For LT1615 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. | 1.20 V | |
| V-IN max. | 15.00 V | |
| Current-Limit typ.? | 0.35 A | |
| V-OUT min. | 1.20 V | |
| V-OUT max. | 34.00 V | |
| VOUT | adjustable | |
| VOUT programmable |  |
|
| sync/non-sync | non-sync | |
| Frequency typ. | 2500 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. | 30 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 | 80 % | |
| 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 |
LT1615 Datasheet
Link to the most up-to-date LT1615 datasheet and the product page for EVM, tools and support information.
LT1615 Price breaks and distributor sample stock
LT1615 prices and available online distributors.
Available Distributors with stock: 12
Buerklin (1)
| Product | Stock | Price | Buy |
| LT1615IS5-TRM-PBF | 43 | Buy Now |
Chip One Stop (7)
| Product | Stock | Price | Buy | ||||||||||||
| LT1615ES5-1#TRMPBF | 524 |
| Buy Now | ||||||||||||
| LT1615ES5-1#TRMPBF | 996 |
| Buy Now | ||||||||||||
| LT1615ES5-1#TRPBF | 7500 |
| Buy Now | ||||||||||||
| LT1615ES5#TRM | 1000 |
| Buy Now | ||||||||||||
| LT1615ES5#TRMPBF | 1641 |
| Buy Now | ||||||||||||
| LT1615IS5-1#TRMPBF | 500 |
| Buy Now | ||||||||||||
| LT1615IS5-1#TRMPBF | 850 |
| Buy Now |
Conrad (1)
Digi-Key (11)
Distrelec (3)
Element14 (6)
Farnell Element14 (6)
Newark Electronics (1)
RS Components (6)
Reichelt Elektronik (3)
Schukat Electronic (1)
Transfer Multisort Elektronik (1)
Available Distributors with stock: 0
Alternatives and equivalents
The following DC/DC Boost Converter are similar to LT1615. Optional, compare LT1615 side-by-side with other Boost Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | LT1307 |  LT1307 product overview |
Linear Technology | MSOP-8, SO-8, PDIP-8 | |
| 0% | LT1307B | LT1307B product overview |
Linear Technology | MSOP-8, SO-8, PDIP-8 | |
| 0% | TL499A | TL499A product overview |
Texas Instruments | SO-8, PDIP-8 | |
| 10% | MIC2570-2 | MIC2570-2 product overview |
Micrel | SOIC-8 | |
| 50% | TPS61041 | TPS61041 product overview |
Texas Instruments | TSOT23-5, SON-6 | |
| 50% | TPS61045 | TPS61045 product overview |
Texas Instruments | SON-8 | |
| 50% | TPS61041-Q1 | TPS61041-Q1 product overview |
Texas Instruments | TSOT23-5 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LT1615.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 744302010 | 0.1 | 30.0 | 45.0 | 0.24 | 6.95 x 6.8 x 4.7 | |
| 744302015 | 0.2 | 30.0 | 32.0 | 0.24 | 6.95 x 6.8 x 4.7 | |
| 744303012 | 0.1 | 31.0 | 55.0 | 0.33 | 10 x 6.8 x 5 | |
| 744304010 | 0.1 | 26.0 | 52.0 | 0.17 | 11.5 x 11.8 x 4 | |
| 744307012 | 0.1 | 29.0 | 48.0 | 0.33 | 7.4 x 7.2 x 7.2 | |
| 744308015 | 0.2 | 27.0 | 58.0 | 0.37 | 10.1 x 7 x 7 | |
| 744310013 | 0.1 | 22.0 | 48.0 | 0.91 | 7 x 6.9 x 3.3 | |
| 744355215 | 0.2 | 25.0 | 60.0 | 0.58 | 10.5 x 10.2 x 4.2 | |
| 744373240010 | 0.1 | 12.0 | 30.0 | 3.20 | 4.45 x 4.06 x 2 |
