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LM25115SDX/NOPB from NSC,National Semiconductor

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LM25115SDX/NOPB

Manufacturer: NSC

42V, Secondary Side Post Regulator/Synchronous Buck Controller 16-WSON -40 to 125

Partnumber Manufacturer Quantity Availability
LM25115SDX/NOPB,LM25115SDXNOPB NSC 1350 In Stock

Description and Introduction

42V, Secondary Side Post Regulator/Synchronous Buck Controller 16-WSON -40 to 125 The LM25115SDX/NOPB is a switching regulator controller manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 42V  
- **Output Voltage Range:** Adjustable from 0.8V to 35V  
- **Switching Frequency:** Adjustable from 50kHz to 1MHz  
- **Maximum Duty Cycle:** 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 10-Pin WSON (Exposed Pad)  
- **Control Method:** Peak Current Mode Control  
- **Output Current:** Up to 15A (with external components)  

### **Descriptions:**
The LM25115SDX/NOPB is a synchronous buck controller designed for high-efficiency DC-DC conversion. It features a wide input voltage range and adjustable output voltage, making it suitable for various power supply applications. The device uses peak current mode control for fast transient response and includes protection features such as thermal shutdown, overcurrent protection, and undervoltage lockout.

### **Features:**
- **Wide Input Voltage Range (4.5V to 42V)**  
- **Adjustable Output Voltage (0.8V to 35V)**  
- **Programmable Switching Frequency (50kHz to 1MHz)**  
- **Synchronous Rectification for High Efficiency**  
- **Peak Current Mode Control**  
- **Internal Soft-Start**  
- **Thermal Shutdown Protection**  
- **Overcurrent Protection (Cycle-by-Cycle)**  
- **Undervoltage Lockout (UVLO)**  
- **Low Quiescent Current in Standby Mode**  

This information is based on the manufacturer's datasheet for the LM25115SDX/NOPB.

Application Scenarios & Design Considerations

42V, Secondary Side Post Regulator/Synchronous Buck Controller 16-WSON -40 to 125

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