LTC3703I-5 Boost Controller overview
Description
Manufacturer
Category
Sub-Category
A 9.30 V - 60.00 Vin, sync Boost Controller which can boost up to 55.80 V. LTC3703I-5 features 1 channel , drives 1 phase(s) and has adjustable 600 kHz switching frequency.
Additional characteristics are a typical inductor size of 8.0 uH, a peak efficiency of 97 % and 2 package option(s): SSOP-28 .
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 | |
V-OUT min. | 9.30 V | |
V-OUT max. | 55.80 V | |
V-OUT adj./fixed | adjustable | |
V-OUT programmable | ![]() |
|
sync/non-sync | sync | |
Frequency typ. | 600 kHz | |
Frequency adj. | adjustable | |
Frequency min. | 100 kHz | |
Frequency max. | 600 kHz | |
ext.clock sync. | ![]() |
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ext.clock sync min. | 100 kHz | |
ext.clock sync max. | 600 kHz | |
Softstart | ![]() |
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Softstart adjustable | ![]() |
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Tracking | ![]() |
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PG/Power OK | ![]() |
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Sense Resistor | ![]() |
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Enable | ![]() |
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Operating min. | -40 °C | |
Operating max. | 125 °C | |
Junction min. | -40 °C | |
Junction max. | 125 °C | |
thermal shutdown typ. | ||
Inductor size typ. | 8.0 uH | |
Military | ![]() |
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Automotive AEC-Q100 | ![]() |
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Light-Load-Mode | ![]() |
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Peak Efficiency | 97 % | |
component count min. | 20 | |
Single/ Multiphase | single | |
Nr. of Phases | 1 | |
Inductor suggested by Würth Elektronik | ||
Nr.of packages options | 2 | |
CSP | ||
SOT | ||
MSOP | ||
QFN/DFN | ||
SO/SOIC | ||
SOP | SSOP-28 | |
DIP |
LTC3703I-5 Datasheet
Link to the most up-to-date LTC3703I-5 datasheet and the product page for EVM, tools and support information.
LTC3703I-5 inventory, samples and price


Available Distributors with stock: 0
no online Distributor with LTC3703I stock available
Available Distributors with stock: 0
no online Distributor with LTC3703I stock available
Alternatives and equivalents IC
The following DC/DC Boost Controller are similar to LTC3703I-5. Compare LTC3703I-5 side-by-side with other Boost Controller via the comparison function.
Variation | Compare | Product | Manufacturer | Package | |
0% | LTC3703E | ![]() |
Linear Technology | SSOP-28 | |
0% | LTC3703E-5 | ![]() |
Linear Technology | SSOP-28 | |
0% | LTC3703H | ![]() |
Linear Technology | SSOP-28 | |
0% | LTC3703I | ![]() |
Linear Technology | SSOP-28 | |
0% | LM5121 | ![]() |
Texas Instruments | HTSSOP-20 | |
0% | LM5121-Q1 | ![]() |
Texas Instruments | HTSSOP-20 | |
50% | LTC3786 | ![]() |
Linear Technology | QFN-16, MSOP-16 | |
50% | TPS43060 | ![]() |
Texas Instruments | WQFN-16 | |
50% | TPS43061 | ![]() |
Texas Instruments | WQFN-16 |
Inductor suggestions
Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3703I-5.
V-IN min. 9.3 V, V-OUT max. 55.8 V, Frequency typ. 600 kHz
Order Code | Spec | L (µH) | IR (A) | ISAT (A) | RDC (mΩ) | L x W x H (mm) |