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LM3153MH-3.3 from NS,National Semiconductor

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15.625ms

LM3153MH-3.3

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LM3153MH-3.3,LM3153MH33 NS 5508 In Stock

Description and Introduction

SIMPLE SWITCHER? CONTROLLER, High Input Voltage Synchronous Step-Down The LM3153MH-3.3 is a step-down DC-DC converter manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 4.5V to 24V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** 500 kHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
The LM3153MH-3.3 is a synchronous buck regulator designed for high-efficiency power conversion. It integrates high-side and low-side MOSFET drivers, reducing external component count. The device supports a wide input voltage range, making it suitable for industrial, automotive, and telecom applications.  

### **Features:**  
- **Fixed Output Voltage (3.3V)**  
- **Adjustable Switching Frequency (250 kHz to 600 kHz)**  
- **Integrated MOSFET Drivers**  
- **Cycle-by-Cycle Current Limiting**  
- **Thermal Shutdown Protection**  
- **PowerPAD™ Package for Enhanced Thermal Performance**  
- **Soft-Start Functionality**  

This information is based on the manufacturer's datasheet.

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