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LM2575SX-12 from 国半

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LM2575SX-12

Manufacturer: 国半

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2575SX-12,LM2575SX12 国半 1000 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575SX-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:

### **Specifications:**
- **Output Voltage:** Fixed 12V  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 4.75V to 40V  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 88% (depending on conditions)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-263-5 (D2PAK)  
- **Regulation Type:** PWM (Pulse Width Modulation)  

### **Descriptions:**
- The LM2575SX-12 is a monolithic integrated circuit designed for step-down voltage regulation.  
- It simplifies power supply design by requiring minimal external components.  
- Suitable for applications requiring efficient, fixed 12V output from higher input voltages.  

### **Features:**
- **Fixed 12V Output:** No external feedback resistors required.  
- **Wide Input Voltage Range:** Supports 4.75V to 40V input.  
- **Low Power Standby Mode:** Consumes minimal current in shutdown mode.  
- **Internal Current Limiting & Thermal Shutdown:** Protects against overloads and overheating.  
- **Simple Design:** Requires only 4 external components (inductor, diode, capacitor, and input capacitor).  
- **High Efficiency:** Reduces heat dissipation compared to linear regulators.  

This information is based on the manufacturer's datasheet for the LM2575SX-12.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2575SX-12,LM2575SX12 NS 400 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575SX-12 is a step-down (buck) switching voltage regulator manufactured by ON Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 4.75V to 40V  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 88% (depending on conditions)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263-5 (D2PAK)  

### **Descriptions:**  
The LM2575SX-12 is a monolithic integrated circuit designed for step-down voltage regulation. It simplifies power supply design with minimal external components, providing a fixed 12V output.  

### **Features:**  
- **Fixed Output Voltage (12V)**  
- **Wide Input Voltage Range (4.75V to 40V)**  
- **1A Output Current Capability**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown and Current Limit Protection**  
- **Low Power Standby Mode (50μA typical)**  
- **Requires Few External Components**  
- **Available in TO-263-5 Package**  

This regulator is commonly used in power supply applications requiring efficient step-down conversion.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

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