Dual Synchronous 1.5A/1A 4MHz Step-Down DC/DC Regulator The LTC3417AIFE#PBF is a high-efficiency, monolithic synchronous buck regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:
### **Specifications:**
- **Input Voltage Range:** 2.25V to 5.5V
- **Output Voltage Range:** 0.6V to 5V (adjustable)
- **Output Current:** Up to 4A
- **Switching Frequency:** 1MHz or 2MHz (selectable)
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 20-Lead TSSOP (Exposed Pad)
- **Control Method:** Constant-frequency, current-mode PWM
### **Descriptions:**
- The LTC3417AIFE#PBF is a high-performance step-down DC/DC converter designed for applications requiring high efficiency and compact power solutions.
- It integrates synchronous rectification to minimize power loss and improve efficiency.
- The device operates in forced continuous mode, reducing output ripple and noise.
- It includes features like soft-start, overcurrent protection, and thermal shutdown for robust operation.
### **Features:**
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.
- **Selectable Frequency:** 1MHz or 2MHz operation for flexibility in design.
- **Low Dropout Operation:** Allows operation at 100% duty cycle for lowest dropout.
- **Power Good Output:** Monitors output voltage status.
- **Internal Soft-Start:** Reduces inrush current during startup.
- **Synchronization Capability:** Can sync to an external clock.
- **Thermal Shutdown Protection:** Prevents damage from overheating.
- **Compact Design:** Integrated power switches reduce external component count.
This information is based on the manufacturer's datasheet for the LTC3417AIFE#PBF.
