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LM34910SDX from NSC,National Semiconductor

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LM34910SDX

Manufacturer: NSC

High Voltage (40V, 1.25A) Step Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LM34910SDX NSC 9300 In Stock

Description and Introduction

High Voltage (40V, 1.25A) Step Down Switching Regulator The LM34910SDX is a switching regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 65V  
- **Output Voltage Range:** Adjustable down to 1.225V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** Adjustable up to 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** WSON-10 (3mm x 3mm)  

### **Descriptions:**  
The LM34910SDX is a high-voltage, step-down switching regulator designed for industrial and automotive applications. It integrates a high-side N-channel MOSFET and provides a constant-frequency peak current mode control for stable operation.  

### **Features:**  
- Wide input voltage range (4.5V to 65V)  
- Adjustable output voltage (1.225V to 60V)  
- Integrated high-side N-channel MOSFET  
- Adjustable switching frequency (up to 500kHz)  
- Peak current mode control for fast transient response  
- Thermal shutdown and overcurrent protection  
- Low shutdown current (<10µA)  
- Soft-start functionality  

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

Application Scenarios & Design Considerations

High Voltage (40V, 1.25A) Step Down Switching Regulator

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