Low-saturation positive voltage regulated power supply circuit with on/off funct The part UPC3005 is manufactured by NEC. Here are the factual details from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** NEC  
- **Part Number:** UPC3005  

### **Descriptions and Features:**  
- The UPC3005 is a specific component produced by NEC, though detailed technical specifications (e.g., voltage, current, package type) are not provided in the available knowledge base.  
- It may be part of NEC’s semiconductor or electronic component lineup, but exact functionality is unspecified.  

For precise technical details, consulting NEC’s official datasheets or product documentation is recommended.

Low-saturation positive voltage regulated power supply circuit with on/off funct