IC Phoenix logo

Home ›  L  › L26 > LM2575N-12

LM2575N-12 from NS,National Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

LM2575N-12

Manufacturer: NS

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2575N-12,LM2575N12 NS 17 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575N-12 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 12V  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 4.75V to 40V  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 77%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-Hole)  
- **Regulation Type:** PWM (Pulse Width Modulation)  

### **Descriptions:**  
The LM2575N-12 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed to drive a 1A load with excellent line and load regulation.  

### **Features:**  
- **Fixed 12V Output**  
- **Requires Few External Components**  
- **Internal Frequency Compensation**  
- **Thermal Shutdown and Current Limit Protection**  
- **Low Power Standby Mode (IQ ≈ 50µA)**  
- **TTL Shutdown Capability**  

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
Partnumber Manufacturer Quantity Availability
LM2575N-12,LM2575N12 NSC 92 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575N-12 is a monolithic integrated circuit from National Semiconductor (NSC) that provides all the active functions for a step-down (buck) switching regulator. Here are the key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 12V  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 88%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-220 (5-pin)  

### **Descriptions:**
- The LM2575N-12 is a simple-to-use, fixed-output voltage regulator designed for step-down voltage conversion.  
- It requires minimal external components and includes built-in frequency compensation and a fixed-frequency oscillator.  
- Suitable for applications requiring efficient power conversion with a stable 12V output.  

### **Features:**
- **Fixed 12V Output (±4% over line and load conditions)**  
- **Wide Input Voltage Range (4.75V to 40V)**  
- **1A Output Current Capability**  
- **Low Power Standby Mode (50µA typical)**  
- **Thermal Shutdown and Current-Limit Protection**  
- **Simple and Easy to Design (Requires Only 4 External Components)**  
- **Internal Frequency Compensation**  

This information is based on the manufacturer's datasheet. For detailed performance characteristics, refer to the official NSC documentation.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips