Step-Down Controllers with Synchronous Rectifier for CPU Power The **MAX797CSE+** 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:** Switching Controller
- **Topology:** Buck, Boost, Flyback, SEPIC
- **Output Type:** Adjustable
- **Number of Outputs:** 1
- **Output Voltage Range:** 1.25V to 5.5V (adjustable)
- **Output Current:** Up to 15A (with external FETs)
- **Input Voltage Range:** 4.5V to 30V
- **Switching Frequency:** 100kHz to 500kHz (adjustable)
- **Efficiency:** Up to 95%
- **Operating Temperature Range:** -40°C to +85°C
- **Package:** 16-SOIC (CSE suffix)
### **Descriptions:**
The MAX797CSE+ is a high-efficiency, step-down (buck) DC-DC controller designed for high-current applications. It supports synchronous rectification for improved efficiency and can be configured for various topologies, including buck, boost, flyback, and SEPIC. It features adjustable output voltage and switching frequency, making it suitable for a wide range of power supply designs.
### **Features:**
- **Wide Input Voltage Range (4.5V to 30V)** – Suitable for automotive, industrial, and telecom applications.
- **Adjustable Output Voltage (1.25V to 5.5V)** – Allows flexibility in power supply design.
- **High Efficiency (Up to 95%)** – Reduces power loss and heat dissipation.
- **Adjustable Switching Frequency (100kHz to 500kHz)** – Optimizes performance and reduces external component size.
- **Synchronous Rectification Support** – Enhances efficiency in step-down applications.
- **Soft-Start Function** – Prevents inrush current during startup.
- **Overcurrent and Thermal Protection** – Improves system reliability.
- **16-Pin SOIC Package** – Compact and suitable for space-constrained designs.
This information is strictly based on the manufacturer's datasheet and technical documentation.
