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LM2575N-5.0 from NS,National Semiconductor

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LM2575N-5.0

Manufacturer: NS

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

Partnumber Manufacturer Quantity Availability
LM2575N-5.0,LM2575N50 NS 1580 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575N-5.0 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-hole)  
- **Regulator Type:** Buck Converter (Step-Down)  
- **Protection Features:** Thermal shutdown, current limiting  

### **Descriptions and Features:**  
- Simple and easy-to-use monolithic switching regulator.  
- Requires minimal external components.  
- Internal frequency compensation.  
- Fixed-frequency oscillator for predictable noise performance.  
- Low power standby mode (IQ ≈ 50 µA).  
- Suitable for battery-powered applications.  
- Includes thermal shutdown and current limit protection.  

This device is commonly used in power supply designs for industrial, automotive, and consumer electronics.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2575N-5.0,LM2575N50 NS 134 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575N-5.0 is a step-down (buck) switching voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 52 kHz (typical)  
- **Efficiency:** Up to 77%  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** TO-220-5 (through-hole)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Protection Features:** Thermal shutdown and current limit  

### **Descriptions and Features:**  
- Simple and easy-to-use buck regulator for step-down voltage conversion.  
- Requires minimal external components for operation.  
- Includes a fixed-frequency oscillator for stable switching.  
- Internal current limiting and thermal shutdown for protection.  
- Low standby current in shutdown mode.  
- Suitable for a wide range of applications, including power supplies, industrial controls, and automotive systems.  

The LM2575N-5.0 is designed to provide a reliable and efficient 5V output from higher input voltages.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2575N-5.0,LM2575N50 NSC 260 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575N-5.0 is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-Hole)  
- **Regulation Type:** Buck (Step-Down) Converter  
- **Standby Current:** 50 µA (Typical)  
- **Load Regulation:** ±0.5% (Typical)  
- **Line Regulation:** ±0.2% (Typical)  

### **Descriptions:**
The LM2575N-5.0 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator. It is designed for easy implementation and requires minimal external components. The regulator includes a fixed-frequency oscillator, a high-gain error amplifier, and an internal switch capable of handling up to 1A of load current.  

### **Features:**
- **Simple and Easy to Use:** Requires only four external components.  
- **Fixed 5.0V Output Voltage.**  
- **Wide Input Voltage Range (4.5V to 40V).**  
- **Internal Frequency Compensation.**  
- **Thermal Shutdown and Current-Limit Protection.**  
- **Low Power Standby Mode (50 µA Typical).**  
- **High Efficiency (Up to 88%).**  
- **TO-220 Package for Easy Mounting.**  

This information is based on the manufacturer's datasheet for the LM2575N-5.0.

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator
Partnumber Manufacturer Quantity Availability
LM2575N-5.0,LM2575N50 42 In Stock

Description and Introduction

SIMPLE SWITCHER 1A Step-Down Voltage Regulator The LM2575N-5.0 is a step-down (buck) switching voltage regulator manufactured by Texas Instruments (formerly National Semiconductor). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed 5.0V  
- **Input Voltage Range:** 4.75V to 40V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 77%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-220-5 (Through-Hole)  
- **Regulation Type:** PWM (Pulse Width Modulation)  
- **Dropout Voltage:** Typically 1.5V at full load  

### **Descriptions:**
- The LM2575N-5.0 is a monolithic integrated circuit that provides all active functions for a step-down switching regulator.  
- It is designed for easy implementation in applications requiring a fixed 5.0V output.  
- The regulator includes a fixed-frequency oscillator, a high-gain error amplifier, and internal current limiting and thermal shutdown protection.  

### **Features:**
- **Simple and Easy to Use:** Requires only four external components (inductor, diode, capacitor, and input capacitor).  
- **Thermal Shutdown and Current Limit Protection:** Prevents damage due to overheating or excessive current.  
- **Low Power Standby Mode:** Consumes minimal current when the device is in shutdown mode.  
- **Wide Input Voltage Range:** Suitable for automotive, industrial, and battery-powered applications.  
- **Stable with Low-ESR Output Capacitors:** Ensures reliable performance.  
- **Fixed 5.0V Output:** Eliminates the need for external feedback resistors.  

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

Application Scenarios & Design Considerations

SIMPLE SWITCHER 1A Step-Down Voltage Regulator

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