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LM5574QMTX/NOPB from NS,National Semiconductor

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LM5574QMTX/NOPB

Manufacturer: NS

SIMPLE SWITCHER? 75V, 0.5A Step-Down Switching Regulator 16-TSSOP -40 to 125

Partnumber Manufacturer Quantity Availability
LM5574QMTX/NOPB,LM5574QMTXNOPB NS 1894 In Stock

Description and Introduction

SIMPLE SWITCHER? 75V, 0.5A Step-Down Switching Regulator 16-TSSOP -40 to 125 The LM5574QMTX/NOPB is a step-down switching regulator manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Input Voltage Range:** 6V to 75V  
- **Output Voltage Range:** Adjustable from 1.225V to 75V  
- **Output Current:** Up to 500mA  
- **Switching Frequency:** Adjustable from 50kHz to 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Pin TSSOP  

### **Descriptions:**  
The LM5574QMTX/NOPB is a high-voltage, step-down switching regulator designed for wide input voltage applications. It integrates a high-side N-channel MOSFET and features a constant on-time (COT) control scheme for fast transient response.  

### **Features:**  
- **Wide Input Voltage Range:** 6V to 75V  
- **Integrated 500mA N-Channel MOSFET**  
- **Adjustable Output Voltage**  
- **Programmable Switching Frequency**  
- **Cycle-by-Cycle Current Limiting**  
- **Thermal Shutdown Protection**  
- **Low Quiescent Current (Typical 2.5mA)**  
- **Synchronizable Switching Frequency**  

This regulator is suitable for industrial, automotive, and power supply applications requiring high efficiency and wide input voltage operation.

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