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LM3152MH-3.3 from NS,National Semiconductor

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LM3152MH-3.3

Manufacturer: NS

SIMPLE SWITCHER? CONTROLLER, High Input Voltage Synchronous Step-Down

Partnumber Manufacturer Quantity Availability
LM3152MH-3.3,LM3152MH33 NS 13470 In Stock

Description and Introduction

SIMPLE SWITCHER? CONTROLLER, High Input Voltage Synchronous Step-Down The LM3152MH-3.3 is a step-down DC-DC converter manufactured by Texas Instruments (NS). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 42V  
- **Output Current:** Up to 15A  
- **Switching Frequency:** 300 kHz to 1 MHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
- The LM3152MH-3.3 is a synchronous buck regulator designed for high-efficiency power conversion.  
- It integrates MOSFET drivers and supports a wide input voltage range, making it suitable for industrial, automotive, and telecom applications.  
- The device features a constant on-time (COT) control architecture for fast transient response.  

### **Features:**  
- **Adjustable Frequency:** Allows optimization for efficiency and component size.  
- **PowerPAD™ Package:** Enhances thermal performance.  
- **Cycle-by-Cycle Current Limiting:** Protects against overloads.  
- **Internal Soft-Start:** Reduces inrush current.  
- **UVLO (Undervoltage Lockout):** Ensures proper operation under low input voltage.  
- **Thermal Shutdown:** Protects the device from overheating.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER? CONTROLLER, High Input Voltage Synchronous Step-Down

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