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LM2575T-15 from NS,National Semiconductor

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LM2575T-15

Manufacturer: NS

15V dual 1.0A step down switching voltage regulator

Partnumber Manufacturer Quantity Availability
LM2575T-15,LM2575T15 NS 150 In Stock

Description and Introduction

15V dual 1.0A step down switching voltage regulator The LM2575T-15 is a step-down (buck) switching regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Output Voltage:** Fixed -15V  
- **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 Junction Temperature:** -40°C to +125°C  
- **Package Type:** TO-220-5 (Through-Hole)  
- **Regulation Type:** PWM (Pulse Width Modulation)  

### **Descriptions:**  
- The LM2575T-15 is a monolithic integrated circuit designed for step-down voltage regulation.  
- It simplifies power supply design with minimal external components.  
- Includes fixed-frequency oscillator, feedback control, and internal current limiting.  
- Suitable for applications requiring efficient DC-DC conversion.  

### **Features:**  
- **Fixed Output Voltage:** -15V (±4% tolerance)  
- **Wide Input Voltage Range:** 4.75V to 40V  
- **Low Power Standby Mode:** 50µA (typical)  
- **Thermal Shutdown & Current Limiting Protection**  
- **Requires Only 4 External Components**  
- **Stable with Low-ESR Capacitors**  

This information is sourced from the manufacturer's datasheet. No additional guidance or suggestions are included.

Application Scenarios & Design Considerations

15V dual 1.0A step down switching voltage regulator
Partnumber Manufacturer Quantity Availability
LM2575T-15,LM2575T15 NSC 22 In Stock

Description and Introduction

15V dual 1.0A step down switching voltage regulator The LM2575T-15 is a step-down (buck) switching regulator manufactured by National Semiconductor (NSC). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** Fixed -15V  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** 4.75V to 40V  
- **Switching Frequency:** 52 kHz  
- **Efficiency:** Up to 88%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220-5 (Through-Hole)  
- **Regulation Type:** Switching Regulator  

### **Descriptions:**
The LM2575T-15 is a monolithic integrated circuit that provides all active functions for a step-down (buck) switching regulator. It is designed to drive a 1A load with excellent line and load regulation. The device requires minimal external components, simplifying power supply design.  

### **Features:**
- **Fixed Output Voltage (-15V)**  
- **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 (IQ < 50μA)**  
- **Simple and Easy-to-Use Design**  
- **Requires Only 4 External Components**  

This regulator is commonly used in power supply applications where a stable -15V output is required.

Application Scenarios & Design Considerations

15V dual 1.0A step down switching voltage regulator

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