LTC3539 Boost Converter Overview
Description
LTC3539 is a 5.25 V, 2.30 A switch current limit sync Boost Converter from . The input voltage from 0.50 V to 5.00 V can be boosted into an output voltage ranging from 1.50 V to 5.25 V.
Features of the Boost Converter are fixed 1000 kHz switching frequency, a typical inductor size of 4.7 µH and it offers a peak efficiency of up to 94 %. The minimum external component count is 6 and LTC3539 is available in 1 package option(s): DFN-8 .
Feature and parameter overview with replacement search
For LTC3539 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. | 0.50 V | |
| V-IN max. | 5.00 V | |
| Current-Limit typ.? | 2.30 A | |
| V-OUT min. | 1.50 V | |
| V-OUT max. | 5.25 V | |
| VOUT | adjustable | |
| VOUT programmable |  |
|
| sync/non-sync | sync | |
| Frequency typ. | 1000 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. | 500 µA | |
| Operating min. | -40 °C | |
| Operating max. | 85 °C | |
| Junction min. | ||
| Junction max. | ||
| thermal shutdown typ. | 160 °C | |
| Inductor size typ. | 4.7 µH | |
| Inductor suggested by Würth Elektronik | ||
| Automotive AEC-Q100 | |
|
| Light-Load-Mode | |
|
| Topology | Boost | |
| Peak Efficiency | 94 % | |
| Component count min. | 6 | |
| current limit adjustable | |
|
| Nr.of package options | 1 | |
| CSP | ||
| SC70 | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | DFN-8 | |
| SO/SOIC | ||
| SOP | ||
| DIP | ||
| TO | ||
| DDPAK |
LTC3539 Datasheet
Link to the most up-to-date LTC3539 datasheet and the product page for EVM, tools and support information.
LTC3539 Price breaks and distributor sample stock
LTC3539 prices and available online distributors.
Available Distributors with stock: 0
Available Distributors with stock: 0
Alternatives and equivalents
The following DC/DC Boost Converter are similar to LTC3539. Optional, compare LTC3539 side-by-side with other Boost Converter via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | LTC3539-2 |  LTC3539-2 product overview |
Linear Technology | DFN-8 | |
| 25% | XC9131 | XC9131 product overview |
Torex | USP-10B | |
| 25% | XC9135 | XC9135 product overview |
Torex | USP-10 | |
| 25% | XC9136 | XC9136 product overview |
Torex | USP-10 | |
| 25% | RP402-K001A-B-C-D | RP402-K001A-B-C-D product overview |
Ricoh | DFN-8 | |
| 50% | ISL9113 | ISL9113 product overview |
Intersil | WLCSP-6, DFN-8 | |
| 50% | LTC3528 | LTC3528 product overview |
Linear Technology | DFN-8 | |
| 50% | MP3120 | MP3120 product overview |
MPS | TSOT23-6 | |
| 50% | MP3414 | MP3414 product overview |
MPS | TSOT23-8 | |
| 50% | NCP1423 | NCP1423 product overview |
ON Semiconductor | Micro-10 | |
| 50% | TPS61200 | TPS61200 product overview |
Texas Instruments | QFN-10 | |
| 50% | XC9128 | XC9128 product overview |
Torex | MSOP-10, USP-10B | |
| 50% | XC9129 | XC9129 product overview |
Torex | MSOP-10, USP-10B | |
| 50% | ISL9113A | ISL9113A product overview |
Intersil | DFN-8 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3539.
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
