The LT3479EFE#TRPBF is a step-up DC/DC converter designed for high efficiency power conversion, achieving up to 89% efficiency in typical applications. It features a wide input voltage range from 2.5V to 24V and includes an internal switch capable of handling up to 3A with a maximum voltage of 42V. The device supports programmable soft-start functionality to limit inrush current during startup and offers protection against input short circuits and hot plugging. The switching frequency can be adjusted between 200kHz and 3.5MHz using an external resistor, allowing flexibility in design. The LT3479 is available in a thermally enhanced 16-lead TSSOP package, making it suitable for applications where space is a concern. It is capable of providing both positive and negative output voltages, making it versatile for various applications, including high power LED drivers and DSL modems. The operating temperature range is specified from -40°C to 85°C, ensuring reliability in diverse environments.
Manufacturer: Linear Technology
Win Source Part Number: 140957-LT3479EFE#TRP
Packaging: Reel - TR
Mounting: SMD (SMT)
Output Type: Adjustable
Topology: Boost
Frequency - Switching: 200kHz to 3.5MHz
Number of Outputs: 1
Synchronous Rectifier: No
Output Current: 3A (Switch)
Family Name: LT3479
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: 0°C to 70°C (TA)
Case / Package: 16-TSSOP-EP
Purpose: Step-Up
Maximum Input Voltage: 24V
Nominal Output Voltage (Min/Fixed): 1.235V
Maximum Output Voltage: 42V (Switch)
Minimum Input Voltage: 2.5V
Alternative Parts (Cross-Reference): LT3479EFE#TR; LT3479EFE; LT3479EDE#TR;
Introduction Date: October 26, 2004
ECCN: EAR99
Country of Origin: Malaysia, Malaysia, Malaysia
Estimated EOL Date: 2028
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 57 pct.
Supply and Demand Status: Balance
| Win Source Electronics | |
|---|---|
| Product Category | IC Switching Voltage Regulators |
| Product Number | 140957-LT3479EFE#TRPBF |
| Product Name | PMIC - PMIC - Voltage Regulators - DCDC Switching Regulators - LT3479EFE#TRPBF |
| Configuration / Function | Boost |
| Output Voltage Type | Adjustable / Variable; Adjustable |
| Package Type | SSOP; Other; 16-TSSOP-EP |
| Life Cycle Stage | Maturity; Active |
| Special Features | Multiple Outputs; Synchronous Rectification |
