Two-Channel Individual Dimmable LED Driver with Boost Converter and Fast Current Regulator 20-HTSSOP -40 to 125 The LM3492MHX/NOPB is a switching regulator IC manufactured by Texas Instruments (NS). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 42V  
- **Output Voltage Range:** Adjustable from 1.225V to 37V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin HTSSOP (Exposed Pad)  

### **Descriptions:**
- The LM3492MHX/NOPB is a **buck (step-down) switching regulator** designed for high-voltage applications.  
- It integrates a **high-side N-channel MOSFET** for efficient power conversion.  
- Features **cycle-by-cycle current limiting** and **thermal shutdown** for protection.  
- Suitable for **automotive, industrial, and telecom** applications.  

### **Features:**
- **Wide Input Voltage Range** (4.5V to 42V)  
- **Adjustable Output Voltage** (1.225V to 37V)  
- **Integrated N-Channel MOSFET** (1.5A current capability)  
- **Adjustable Switching Frequency** (up to 1MHz)  
- **Cycle-by-Cycle Current Limiting**  
- **Thermal Shutdown Protection**  
- **Soft-Start Function**  
- **Synchronizable to External Clock**  
- **Low Quiescent Current** (75µA in shutdown mode)  

This regulator is designed for **high-efficiency, compact power solutions** in demanding environments.  

*(Note: "NS" refers to National Semiconductor, which was acquired by Texas Instruments.)*

Two-Channel Individual Dimmable LED Driver with Boost Converter and Fast Current Regulator 20-HTSSOP -40 to 125