Overview
The LTC3309AEV#TRMPBF is a high-efficiency, low-noise, monolithic synchronous 6A step-down DC/DC converter manufactured by Analog Devices. This component operates from a 2.25V to 5.5V input supply and is designed to provide a highly efficient and compact power management solution. The LTC3309A features the Silent Switcher architecture, which minimizes EMI emissions, making it suitable for a wide range of applications requiring low noise and high efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Input Voltage Range | 2.25V to 5.5V |
| Output Voltage Range | 0.5V to VIN |
| Output Current | Up to 6A |
| Switching Frequency | 1MHz to 3MHz |
| Minimum On-Time | 22ns |
| Efficiency | High Efficiency (up to 90% in some configurations) |
| Package | 2mm x 2mm LQFN |
| Operating Modes | Forced Continuous, Pulse Skip, Low-Ripple Burst Mode |
| Protection Features | Output Overvoltage Protection, Short-Circuit Protection, Thermal Shutdown |
Key Features
- High Efficiency: Up to 90% efficiency in some configurations.
- Low Noise: Silent Switcher architecture minimizes EMI emissions.
- Compact Design: 2mm x 2mm LQFN package with tiny inductor and capacitors.
- Programmable Frequency: 1MHz to 3MHz operating frequency.
- Peak Current Mode Control: Fast transient response with a minimum on-time of 22ns.
- Low-Ripple Burst Mode Operation: Ideal for battery-powered systems.
- Output Voltage Accuracy: 1% over temperature range.
- Power Good, Internal Compensation, and Soft Start: Enhance reliability and startup performance.
Applications
- Optical Networking
- Servers and Telecom
- Automotive and Industrial Systems
- Communications Equipment
- Distributed DC Power Systems (Point of Load - POL)
- FPGA, ASIC, and Core Supplies
- Battery Operated Systems
Q & A
- What is the input voltage range of the LTC3309AEV#TRMPBF?
The input voltage range is 2.25V to 5.5V. - What is the maximum output current of the LTC3309AEV#TRMPBF?
The maximum output current is up to 6A. - What is the switching frequency range of the LTC3309AEV#TRMPBF?
The switching frequency range is 1MHz to 3MHz. - What is the minimum on-time of the LTC3309AEV#TRMPBF?
The minimum on-time is 22ns. - What are the operating modes of the LTC3309AEV#TRMPBF?
The operating modes include Forced Continuous, Pulse Skip, and Low-Ripple Burst Mode. - Does the LTC3309AEV#TRMPBF have built-in protection features?
Yes, it includes output overvoltage protection, short-circuit protection, and thermal shutdown. - What is the package type of the LTC3309AEV#TRMPBF?
The package type is 2mm x 2mm LQFN. - What are some typical applications of the LTC3309AEV#TRMPBF?
Typical applications include optical networking, servers, telecom, automotive, industrial systems, communications equipment, distributed DC power systems, FPGA, ASIC, and core supplies, and battery-operated systems. - How does the Silent Switcher architecture benefit the LTC3309AEV#TRMPBF?
The Silent Switcher architecture minimizes EMI emissions, making it suitable for low-noise applications. - What is the output voltage accuracy of the LTC3309AEV#TRMPBF?
The output voltage accuracy is 1% over the temperature range.
