Parallelable, Clamped Two-Switch Power-Supply Controller IC The **MAX5051AUI+T** is a power management IC manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Maxim Integrated
- **Category:** Power Management IC
- **Type:** Step-Down (Buck) DC-DC Controller
- **Input Voltage Range:** 4.5V to 28V
- **Output Voltage Range:** Adjustable (0.8V to 90% of VIN)
- **Output Current:** Up to 10A (with external FETs)
- **Switching Frequency:** 100kHz to 500kHz (adjustable)
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 28-TSSOP (Thin Shrink Small Outline Package)
- **Features:** Synchronous rectification, adjustable soft-start, overcurrent protection, thermal shutdown
### **Descriptions:**
The **MAX5051AUI+T** is a high-efficiency, step-down DC-DC controller designed for applications requiring high output current with precise regulation. It supports synchronous rectification for improved efficiency and can be used in industrial, telecom, and computing power systems.
### **Features:**
- **Wide Input Voltage Range (4.5V to 28V)** – Suitable for various power sources.
- **Adjustable Output Voltage (0.8V to 90% of VIN)** – Flexible for different applications.
- **High Efficiency (Up to 95%)** – Minimizes power loss.
- **Adjustable Switching Frequency (100kHz to 500kHz)** – Optimizes performance and reduces external component size.
- **Synchronous Rectification** – Improves efficiency by reducing conduction losses.
- **Programmable Soft-Start** – Prevents inrush current at startup.
- **Overcurrent & Thermal Protection** – Enhances system reliability.
- **28-TSSOP Package** – Compact footprint for space-constrained designs.
This information is strictly based on the manufacturer's datasheet and technical documentation.
