LTC3703-5 Buck Controller overview
Description
Manufacturer
Category
Sub-Category
LTC3703-5 is a 1 channel, 1 phase sync Buck Controller. The maximum input voltage ranges from 9.30 V to 60.00 V and output current goes up to 20.00 A.
The Controller features adjustable 600 kHz switching frequency which results in a typical inductor size of 0.0 uH and a peak efficiency of %. The LTC3703-5 is available in 2 package option(s): SSOP-16 .
Parameter and features overview
| Parameter | Value | Replacement Search Filter |
| Nr. of Channel | 1 | |
| V-IN min. | 9.30 V | |
| V-IN max. | 60.00 V | |
| I-OUT? | 20.00 A | |
| V-OUT min. | 0.80 V | |
| V-OUT max. | 55.80 V | |
| V-OUT | adjustable | |
| V-OUT programmable | ||
| sync/non-sync | sync | |
| Frequency typ. | 600 kHz | |
| Frequency adj. | adjustable | |
| Frequency adj. min. | 100 kHz | |
| Frequency adj. max. | 600 kHz | |
| ext.clock sync. |  |
|
| ext.clock Frequency min. | ||
| ext.clock Frequency max. | 600 kHz | |
| Softstart | ||
| Softstart adjustable | ||
| Tracking |  |
|
| Power Good (PG) | ||
| Enable | ||
| Operating min. | ||
| Operating max. | ||
| Junction min. | ||
| Junction max. | ||
| thermal shutdown typ. | ||
| Inductor size typ. | ||
| Automotive AEC-Q100 | ||
| Light-Load Mode | ||
| Single/ Multiphase | single | |
| Nr. of Phases | 1 | |
| Peak Efficiency | ||
| component count min. | ||
| current limit adjustable | ||
| Nr.of package options | 2 | |
| CSP | ||
| SOT | ||
| MSOP | ||
| QFN/DFN | ||
| SO/SOIC | ||
| SOP | SSOP-16 | |
| DIP |
LTC3703-5 Datasheet
Link to the most up-to-date LTC3703-5 datasheet and the product page for EVM, tools and support information.
LTC3703-5 inventory, samples and price
Available Distributors with stock: 0
no online Distributor with LTC3703 stock available
Available Distributors with stock: 0
no online Distributor with LTC3703 stock available
Table with equivalents and alternatives
The following Buck Controller are similar to LTC3703-5. Or, compare LTC3703-5 side-by-side with other Buck Controller via the Comparison function.
| Variation | Compare | Product | Manufacturer | Package | |
| 0% | LTC3703 |  LTC3703 product overview |
Linear Technology | SSOP-16 | |
| 0% | LTC3810-5 | LTC3810-5 product overview |
Linear Technology | QFN-32 | |
| 50% | LTC3810 | LTC3810 product overview |
Linear Technology | SSOP-28 | |
| 50% | LTC3812-5 | LTC3812-5 product overview |
Linear Technology | TSSOP-16 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3703-5.
V-IN max. 60 V, I-OUT 20 A, V-OUT min. 0.8 V, Frequency typ. 600 kHz
| Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |
| 744303022 | 0.2 | 31.0 | 32.0 | 0.33 | 10 x 6.8 x 5 | |
| 744304016 | 0.2 | 26.0 | 32.0 | 0.17 | 11.5 x 11.8 x 4 | |
| 744305022 | 0.2 | 28.0 | 42.0 | 0.16 | 13.5 x 13.3 x 5.2 | |
| 744306020 | 0.2 | 26.0 | 36.0 | 0.30 | 10.5 x 10.3 x 5.5 | |
| 744306025 | 0.3 | 26.0 | 32.0 | 0.30 | 10.5 x 10.3 x 5.5 | |
| 744307016 | 0.2 | 29.0 | 41.0 | 0.33 | 7.4 x 7.2 x 7.2 | |
| 744307022 | 0.2 | 29.0 | 29.0 | 0.33 | 7.4 x 7.2 x 7.2 | |
| 744308020 | 0.2 | 27.0 | 48.0 | 0.37 | 10.1 x 7 x 7 | |
| 744308025 | 0.3 | 27.0 | 44.0 | 0.37 | 10.1 x 7 x 7 | |
| 7443081022 | 0.2 | 38.0 | 45.0 | 0.29 | 9.4 x 6.2 x 8.1 | |
| 744311022 | 0.2 | 21.0 | 32.0 | 1.10 | 7 x 6.9 x 4 | |
| 744314024 | 0.2 | 20.0 | 28.0 | 1.00 | 7 x 6.9 x 5 | |
| 744316022 | 0.2 | 20.0 | 25.0 | 1.25 | 5.5 x 5.3 x 4.3 | |
| 744323020 | 0.2 | 22.0 | 50.0 | 0.82 | 10.6 x 10.6 x 3.1 | |
| 744373560022 | 0.2 | 20.0 | 40.0 | 1.47 | 8.64 x 8.5 x 3 | |
| 744373770022 | 0.2 | 25.0 | 40.0 | 0.75 | 13.5 x 12.6 x 3.5 |
