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LM3150MHE from NS,National Semiconductor

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LM3150MHE

Manufacturer: NS

SIMPLE SWITCHER? CONTROLLER, 42V Synchronous Step-Down

Partnumber Manufacturer Quantity Availability
LM3150MHE NS 1690 In Stock

Description and Introduction

SIMPLE SWITCHER? CONTROLLER, 42V Synchronous Step-Down The LM3150MHE is a synchronous buck controller manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 6V to 42V  
- **Output Voltage Range:** 0.6V to 36V  
- **Switching Frequency:** 300kHz to 1MHz (adjustable)  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin HTSSOP (Exposed Pad)  

### **Descriptions:**  
- The LM3150MHE is a high-efficiency, wide-input voltage synchronous buck controller designed for power supply applications.  
- It supports external N-channel MOSFETs for high-current output regulation.  
- Features include adjustable frequency, soft-start, and cycle-by-cycle current limiting.  

### **Features:**  
- **Wide Input Voltage Range (6V–42V)** – Suitable for industrial and automotive applications.  
- **Adjustable Switching Frequency (300kHz–1MHz)** – Allows optimization for efficiency and component size.  
- **Precision Reference (0.6V ±1%)** – Ensures accurate output voltage regulation.  
- **Programmable Soft-Start** – Reduces inrush current during startup.  
- **Cycle-by-Cycle Current Limiting** – Protects against overcurrent conditions.  
- **Synchronous Operation** – Improves efficiency by reducing power loss.  
- **Thermal Shutdown** – Prevents damage from excessive heat.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to the official documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? CONTROLLER, 42V Synchronous Step-Down

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