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LM5575QMH from NS,National Semiconductor

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LM5575QMH

Manufacturer: NS

SIMPLE SWITCHER 75V, 1.5A Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LM5575QMH NS 1670 In Stock

Description and Introduction

SIMPLE SWITCHER 75V, 1.5A Step-Down Switching Regulator The LM5575QMH is a step-down switching regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Input Voltage Range:** 6V to 75V  
- **Output Voltage Range:** Adjustable down to 1.225V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** Adjustable from 50 kHz to 500 kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 20-Pin HTSSOP (PowerPAD™)  
- **Protection Features:** Thermal shutdown, current limiting, and undervoltage lockout  

### **Descriptions:**  
The LM5575QMH is a high-voltage, step-down DC-DC converter designed for industrial, automotive, and telecom applications. It integrates a high-side N-channel MOSFET and supports a wide input voltage range, making it suitable for battery-powered and high-voltage systems.  

### **Features:**  
- Wide input voltage range (6V to 75V)  
- Adjustable output voltage (1.225V to 70V)  
- Integrated 1.5A N-channel MOSFET  
- Adjustable switching frequency (50 kHz to 500 kHz)  
- PowerPAD™ package for enhanced thermal performance  
- Internal compensation simplifies design  
- Soft-start and frequency synchronization capabilities  
- Protection features (thermal shutdown, current limit, UVLO)  

This regulator is commonly used in power supplies for automotive, industrial, and communication systems.

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