SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits The MAX6390XS29D4+T is a high-efficiency, step-down DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 4V to 72V  
- **Output Voltage:** 2.9V (fixed)  
- **Output Current:** Up to 350mA  
- **Switching Frequency:** 125kHz (typical)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin SOIC  

### **Features:**  
- **Wide Input Voltage Range:** Supports 4V to 72V operation.  
- **Low Quiescent Current:** 40µA (typical) in shutdown mode.  
- **Internal MOSFET:** Integrated power switch for compact design.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Current-Limit Protection:** Safeguards against overloads.  
- **Small Footprint:** Suitable for space-constrained applications.  

### **Applications:**  
- Industrial systems  
- Automotive electronics  
- Battery-powered devices  
- Distributed power supplies  

This device is designed for high-reliability applications requiring stable, low-power voltage regulation.

SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits