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LM2825N-3.3/NOPB from NS,National Semiconductor

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LM2825N-3.3/NOPB

Manufacturer: NS

Integrated Power Supply 1A DC-DC Converter

Partnumber Manufacturer Quantity Availability
LM2825N-3.3/NOPB,LM2825N33NOPB NS 94 In Stock

Description and Introduction

Integrated Power Supply 1A DC-DC Converter The LM2825N-3.3/NOPB is a DC-DC converter manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 4.5V to 30V  
- **Switching Frequency:** 100 kHz (typical)  
- **Efficiency:** Up to 80%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 24-pin DIP (Dual In-line Package)  
- **Regulation Type:** Buck (Step-Down) Converter  

### **Descriptions:**  
The LM2825N-3.3/NOPB is a monolithic step-down switching regulator designed to provide a fixed 3.3V output from an input voltage range of 4.5V to 30V. It integrates a power switch, oscillator, control circuitry, and protection features into a single package, simplifying power supply design.  

### **Features:**  
- **Integrated Power Switch:** Reduces external component count.  
- **Current Limiting & Thermal Shutdown:** Protects against overloads and overheating.  
- **Low Standby Current:** Improves efficiency in light-load conditions.  
- **Fixed-Frequency Operation:** Minimizes noise and simplifies filtering.  
- **Wide Input Voltage Range:** Suitable for various applications.  

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

Application Scenarios & Design Considerations

Integrated Power Supply 1A DC-DC Converter

Alternative Part Number

  • PT78ST133V --: Integrated switching regulator module with 3.3V fixed output in a similar SIP-style package, suitable as a drop-in functional replacement for the LM2825 buck regulator.
  • R-783.3-0.5 --: 3.3V fixed-output switching regulator module in a TO-220-like SIP footprint, offering similar input range and load capability for point-of-load conversion.
  • OKI-78SR-3.3/1.5-W36-C --: 3.3V step-down switching regulator module in a SIP package with wide input range, commonly used as an alternative to integrated buck regulator modules like the LM2825.

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