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LM25575QMH from NS,National Semiconductor

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LM25575QMH

Manufacturer: NS

LM25575/LM25575-Q1 SIMPLE SWITCHER? 42V, 1.5A Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LM25575QMH NS 520 In Stock

Description and Introduction

LM25575/LM25575-Q1 SIMPLE SWITCHER? 42V, 1.5A Step-Down Switching Regulator The LM25575QMH is a switching regulator from Texas Instruments (NS). Here are the key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 42V  
- **Output Voltage Range:** Adjustable down to 1.225V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** Adjustable from 50kHz to 1MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin HTSSOP (PowerPAD™)  

### **Descriptions:**  
- The LM25575QMH is a step-down (buck) switching regulator designed for high-efficiency power conversion.  
- It integrates a high-side N-channel MOSFET and supports synchronous rectification for improved efficiency.  
- The device is suitable for automotive, industrial, and telecom applications requiring wide input voltage ranges.  

### **Features:**  
- **Wide Input Voltage Range (4.5V to 42V)**  
- **Adjustable Output Voltage**  
- **Integrated 100mΩ High-Side MOSFET**  
- **Adjustable Switching Frequency (50kHz to 1MHz)**  
- **Synchronizable to External Clock**  
- **Cycle-by-Cycle Current Limiting**  
- **Thermal Shutdown Protection**  
- **PowerPAD™ Package for Enhanced Thermal Performance**  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

LM25575/LM25575-Q1 SIMPLE SWITCHER? 42V, 1.5A Step-Down Switching Regulator

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