3A, 2MHz Monolithic Synchronous Regulator for DDR/QDR Memory Termination The LTC3413EFE#TR is a high-efficiency, synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Input Voltage Range:** 2.25V to 5.5V
- **Output Voltage Range:** 0.6V to 5V (adjustable)
- **Output Current:** Up to 3A
- **Switching Frequency:** 1.25MHz (fixed)
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 16-Lead TSSOP (Exposed Pad)
- **Synchronous Rectification:** Yes
- **Current Mode Control:** Yes
- **Low Dropout Operation:** 100% Duty Cycle
- **Quiescent Current:** 40µA (in Burst Mode operation)
### **Descriptions:**
The LTC3413EFE#TR is a high-performance, monolithic synchronous buck regulator designed for portable and battery-powered applications. It uses a constant-frequency, current-mode architecture to deliver high efficiency and fast transient response. The device operates from an input voltage range of 2.25V to 5.5V, making it suitable for single-cell Li-ion or multi-cell alkaline/NiMH applications.
### **Features:**
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.
- **Burst Mode® Operation:** Reduces quiescent current to 40µA for light load efficiency.
- **Low Dropout Operation:** Allows 100% duty cycle for extended battery life.
- **Fixed Frequency Operation:** 1.25MHz switching frequency minimizes external component size.
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.
- **Thermal Shutdown:** Protects the device from overheating.
- **Adjustable Output Voltage:** Set via an external resistor divider.
- **Synchronizable:** Can be synchronized to an external clock.
- **Small Footprint:** 16-lead TSSOP package with exposed pad for thermal management.
This information is strictly based on the manufacturer's datasheet and technical documentation.
