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LM2825HN-ADJ from NSC,National Semiconductor

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LM2825HN-ADJ

Manufacturer: NSC

Integrated Power Supply 1A DC-DC Converter

Partnumber Manufacturer Quantity Availability
LM2825HN-ADJ,LM2825HNADJ NSC 5 In Stock

Description and Introduction

Integrated Power Supply 1A DC-DC Converter The LM2825HN-ADJ is a step-down DC-DC converter manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage Range:** Adjustable from 1.23V to 20V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 100 kHz (fixed)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 5-Pin TO-220 (LM2825HN)  
- **Regulation Type:** Buck (Step-Down) Converter  

### **Descriptions:**
- The LM2825HN-ADJ is a monolithic, high-efficiency switching regulator with an integrated power MOSFET.  
- It is designed for step-down (buck) voltage regulation applications.  
- The adjustable output version (ADJ) allows flexibility in setting the desired output voltage using external resistors.  
- It includes features like thermal shutdown, current limiting, and undervoltage lockout for protection.  

### **Features:**
- **Integrated Power MOSFET:** Simplifies design by reducing external components.  
- **Adjustable Output:** Output voltage can be set using external resistors.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Current Limiting:** Prevents damage from excessive load currents.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Low Standby Current:** Enhances efficiency in light-load conditions.  

This information is based on the manufacturer's datasheet for the LM2825HN-ADJ.

Application Scenarios & Design Considerations

Integrated Power Supply 1A DC-DC Converter

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