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LM2940T-9.0 from NS,National Semiconductor

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LM2940T-9.0

Manufacturer: NS

1A Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
LM2940T-9.0,LM2940T90 NS 15000 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940T-9.0 is a low-dropout voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 9.0V (fixed)  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** Typically 0.5V at full load  
- **Input Voltage Range:** Up to 26V  
- **Line Regulation:** 0.04% (typical)  
- **Load Regulation:** 0.3% (typical)  
- **Quiescent Current:** 10mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-220  

### **Descriptions & Features:**  
- **Low Dropout:** Ensures stable output even with small input-output differentials.  
- **Internal Current Limiting:** Protects against overloads.  
- **Thermal Shutdown:** Prevents damage due to excessive heat.  
- **Reverse Battery Protection:** Safeguards against incorrect power connections.  
- **Low Quiescent Current:** Improves efficiency in battery-powered applications.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic or tantalum output capacitors.  

The LM2940T-9.0 is commonly used in automotive, industrial, and consumer electronics applications requiring stable 9V power.

Application Scenarios & Design Considerations

1A Low Dropout Regulator
Partnumber Manufacturer Quantity Availability
LM2940T-9.0,LM2940T90 NS,NS 108745 In Stock

Description and Introduction

1A Low Dropout Regulator The LM2940T-9.0 is a low-dropout voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 9.0V  
- **Output Current:** Up to 1A  
- **Dropout Voltage:** Typically 0.5V at full load  
- **Input Voltage Range:** Up to 26V  
- **Line Regulation:** 0.04% (Typical)  
- **Load Regulation:** 0.3% (Typical)  
- **Quiescent Current:** 10mA (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-220  

### **Descriptions and Features:**  
- **Low Dropout Voltage:** Ensures stable output even when input voltage is close to the output voltage.  
- **Internal Current Limiting:** Protects the regulator from overload conditions.  
- **Thermal Shutdown:** Prevents damage due to excessive heat.  
- **Reverse Battery Protection:** Safeguards against reverse polarity.  
- **High Ripple Rejection:** Reduces noise in the output voltage.  
- **Fixed Output Voltage:** Eliminates the need for external resistors.  
- **Wide Input Voltage Range:** Suitable for various applications.  

This regulator is commonly used in automotive, industrial, and consumer electronics where stable voltage regulation is required.

Application Scenarios & Design Considerations

1A Low Dropout Regulator

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