Micropower High Efficiency DC/DC Converters with Low-Battery Detector Adjustable and Fixed 5V The LT1303CN8-5 is a step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 1.8V to 12V  
- **Output Voltage:** Fixed 5V  
- **Output Current:** Up to 600mA (with 3.3V input)  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 8-Pin PDIP (Plastic Dual In-Line Package)  

### **Descriptions:**
- The LT1303CN8-5 is a micropower, fixed 5V output step-up DC/DC converter.  
- It is designed for battery-powered applications requiring a regulated 5V supply from lower input voltages.  
- The device includes an internal switch, minimizing external component count.  

### **Features:**
- **Low Quiescent Current:** 120µA (typical)  
- **Internal Power Switch:** 1A, 0.5Ω NPN switch  
- **Battery-Life Extender:** Operates down to 1.8V input  
- **Low Shutdown Current:** <1µA  
- **Short-Circuit Protection:** Built-in protection against output shorts  
- **Soft-Start Feature:** Reduces inrush current  

The LT1303CN8-5 is commonly used in portable electronics, battery-powered systems, and applications requiring efficient voltage step-up conversion.

Micropower High Efficiency DC/DC Converters with Low-Battery Detector Adjustable and Fixed 5V