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LM25574MT from NS,National Semiconductor

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LM25574MT

Manufacturer: NS

SIMPLE SWITCHER? 42V, 0.5A Step-Down Switching Regulator 16-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM25574MT NS 11589 In Stock

Description and Introduction

SIMPLE SWITCHER? 42V, 0.5A Step-Down Switching Regulator 16-TSSOP -40 to 125 The LM25574MT is a switching regulator manufactured by Texas Instruments (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:** Texas Instruments (NS)  
### **Part Number:** LM25574MT  

### **Description:**  
The LM25574MT is a step-down (buck) switching regulator designed to provide a highly efficient and adjustable output voltage. It integrates a high-side N-channel MOSFET and is capable of delivering high output current with minimal external components.  

### **Key Features:**  
- **Input Voltage Range:** 6V to 42V  
- **Output Voltage Range:** Adjustable down to 1.225V  
- **Output Current:** Up to 3A  
- **Switching Frequency:** Adjustable up to 1MHz  
- **Integrated High-Side MOSFET (75mΩ RDS(on))**  
- **Efficiency:** Up to 95%  
- **Adjustable Soft-Start**  
- **Thermal Shutdown Protection**  
- **Undervoltage Lockout (UVLO)**  
- **Cycle-by-Cycle Current Limiting**  
- **Package:** TSSOP-16 (MT)  

### **Applications:**  
- Industrial power supplies  
- Automotive systems  
- Distributed power systems  
- Battery-powered equipment  

This information is strictly based on the manufacturer's datasheet and specifications.

Partnumber Manufacturer Quantity Availability
LM25574MT NS,NS 460 In Stock

Description and Introduction

SIMPLE SWITCHER? 42V, 0.5A Step-Down Switching Regulator 16-TSSOP -40 to 125 The LM25574MT is a switching regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Input Voltage Range:** 6V to 42V  
- **Output Voltage Range:** Adjustable down to 1.225V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** Adjustable from 50kHz to 1MHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TSSOP-16  

### **Descriptions:**  
The LM25574MT is a step-down (buck) switching regulator designed for high-efficiency power conversion. It integrates a high-side N-channel MOSFET and supports a wide input voltage range, making it suitable for automotive, industrial, and telecom applications.  

### **Features:**  
- **Wide Input Voltage Range (6V to 42V)**  
- **Adjustable Output Voltage**  
- **Integrated High-Side MOSFET**  
- **Adjustable Switching Frequency (50kHz to 1MHz)**  
- **Cycle-by-Cycle Current Limiting**  
- **Thermal Shutdown Protection**  
- **Low Quiescent Current (3.5mA typical)**  
- **Synchronizable to External Clock**  

This regulator is designed for high efficiency and reliability in demanding environments.

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