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LM2940CSX-12 from NS,National Semiconductor

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LM2940CSX-12

Manufacturer: NS

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940CSX-12,LM2940CSX12 NS 4140 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940CSX-12 is a low-dropout voltage regulator manufactured by NS (National Semiconductor).  

### **Specifications:**  
- **Output Voltage:** 12V  
- **Output Current:** 1A  
- **Dropout Voltage:** 0.5V (typical at full load)  
- **Input Voltage Range:** Up to 26V  
- **Line Regulation:** 0.3% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  

### **Descriptions and Features:**  
- Designed for low-dropout applications  
- Internal current and thermal limiting for protection  
- Reverse battery protection  
- No external components required for stability  
- Suitable for automotive and industrial applications  
- Low quiescent current in standby mode  
- Available in surface-mount package (TO-263)  

This regulator is commonly used in power supply circuits requiring stable 12V output with minimal voltage drop.

Application Scenarios & Design Considerations

1A Low Dropout Regulator
Partnumber Manufacturer Quantity Availability
LM2940CSX-12,LM2940CSX12 NS进口 2000 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940CSX-12 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 12V  
- **Output Current:** 1A  
- **Dropout Voltage:** 0.5V (typical at full load)  
- **Input Voltage Range:** Up to 26V  
- **Line Regulation:** 0.04% (typical)  
- **Load Regulation:** 0.3% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  

### **Descriptions and Features:**  
- **Low Dropout Voltage:** Ensures stable output even when input voltage is close to the output voltage.  
- **Low Quiescent Current:** Typically 10mA.  
- **Internal Current and Thermal Limiting:** Provides protection against overloads.  
- **Reverse Battery Protection:** Guards against damage from incorrect battery connections.  
- **Output Capacitor Stability:** Stable with low-ESR capacitors (≥22µF recommended).  
- **Applications:** Automotive, battery-powered systems, industrial controls, and other regulated power supply needs.  

This regulator is designed for applications requiring a stable 12V supply with minimal power dissipation.

Application Scenarios & Design Considerations

1A Low Dropout Regulator
Partnumber Manufacturer Quantity Availability
LM2940CSX-12,LM2940CSX12 331 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940CSX-12 is a low-dropout voltage regulator manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** 12V (fixed)  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** Typically 0.5V at full load  
- **Input Voltage Range:** Up to 26V  
- **Line Regulation:** 0.3% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Junction Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-263 (D2PAK)  

### **Descriptions:**  
The LM2940CSX-12 is a positive voltage regulator designed to provide a stable 12V output with low dropout voltage, making it suitable for battery-powered applications. It includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**  
- Low dropout voltage (0.5V typical at full load)  
- Internal current and thermal protection  
- Reverse battery protection  
- Available in a surface-mount TO-263 package  
- Suitable for automotive and industrial applications  

This information is strictly based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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