SIMPLE SWITCHER? 6.5V to 40V, 1A Low Component Count Step-Down Regulator 8-SOIC -40 to 125 The LM2675M-3.3/NOPB is a step-down voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 8V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 260 kHz (typical)  
- **Efficiency:** Up to 92%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8  

### **Descriptions:**  
- The LM2675M-3.3/NOPB is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator.  
- It includes a high-efficiency DC-DC converter with a fixed-frequency PWM control scheme.  
- Designed for simplicity, it requires minimal external components.  

### **Features:**  
- **Fixed 3.3V Output**  
- **High Efficiency** (up to 92%)  
- **Wide Input Voltage Range** (8V to 40V)  
- **1A Output Current Capability**  
- **Internal Soft-Start** (reduces inrush current)  
- **Thermal Shutdown & Current Limit Protection**  
- **Low Power Standby Mode** (when disabled)  
- **Requires Only 5 External Components**  

This regulator is commonly used in power supply applications for industrial, automotive, and consumer electronics.

SIMPLE SWITCHER? 6.5V to 40V, 1A Low Component Count Step-Down Regulator 8-SOIC -40 to 125