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LM2575S-12 from 国半

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LM2575S-12

Manufacturer: 国半

12V dual 1.0A step down switching voltage regulator

Partnumber Manufacturer Quantity Availability
LM2575S-12,LM2575S12 国半 10000 In Stock

Description and Introduction

12V dual 1.0A step down switching voltage regulator The LM2575S-12 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (国半). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** Fixed 12V  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 4.75V to 40V  
- **Switching Frequency:** 52 kHz (fixed)  
- **Efficiency:** Up to 88% (depending on conditions)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-263 (D2PAK)  
- **Regulation Type:** PWM (Pulse Width Modulation)  

### **Descriptions:**
- The LM2575S-12 is a monolithic integrated circuit designed for step-down voltage regulation.  
- It simplifies power supply design by requiring minimal external components.  
- Includes built-in frequency compensation and a fixed-frequency oscillator.  
- Suitable for applications requiring efficient DC-DC conversion.  

### **Features:**
- **Fixed 12V Output (±4% tolerance)**  
- **1A Output Current Capability**  
- **Wide Input Voltage Range (4.75V to 40V)**  
- **Low Power Standby Mode (50µA typical)**  
- **Thermal Shutdown and Current Limit Protection**  
- **Requires Only 4 External Components**  
- **Stable with Low-ESR Capacitors**  

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

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