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LM2940T-9.0/NOPB from NS,National Semiconductor

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LM2940T-9.0/NOPB

Manufacturer: NS

1A Low Dropout Regulator 3-TO-220 -40 to 125

Partnumber Manufacturer Quantity Availability
LM2940T-9.0/NOPB,LM2940T90NOPB NS 53528 In Stock

Description and Introduction

1A Low Dropout Regulator 3-TO-220 -40 to 125 The LM2940T-9.0/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 9.0V (fixed)  
- **Output Current:** 1A (max)  
- **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-220 (5-pin)  
- **Protection Features:**  
  - Thermal shutdown  
  - Short-circuit protection  
  - Reverse-battery protection  

### **Descriptions:**  
The LM2940T-9.0/NOPB is a positive voltage regulator designed to provide a stable 9.0V output with low dropout voltage, making it suitable for battery-powered applications. It includes built-in protection against overheating, short circuits, and reverse polarity.  

### **Features:**  
- Low dropout voltage (0.5V typical at full load)  
- Low quiescent current  
- High accuracy (±2% output voltage tolerance)  
- Thermal shutdown and current limit protection  
- Reverse-battery protection  
- Stable with low-ESR capacitors  

This regulator is commonly used in automotive, industrial, and consumer electronics applications requiring a reliable 9V power supply.

Application Scenarios & Design Considerations

1A Low Dropout Regulator 3-TO-220 -40 to 125

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