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LP2951CSD from NSC,National Semiconductor

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LP2951CSD

Manufacturer: NSC

Series of Adjustable Micropower Voltage Regulators

Partnumber Manufacturer Quantity Availability
LP2951CSD NSC 45 In Stock

Description and Introduction

Series of Adjustable Micropower Voltage Regulators The LP2951CSD is a low-dropout voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** Up to 30V  
- **Output Voltage Options:** Fixed (3.3V, 5V) or Adjustable (1.24V to 29V)  
- **Output Current:** 100mA (guaranteed)  
- **Dropout Voltage:** 380mV (typical at 100mA load)  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOIC-8 (LP2951CSD)  

### **Descriptions & Features:**  
- Low-dropout voltage regulator with very low quiescent current.  
- Stable with low-ESR capacitors (≥1µF).  
- Includes built-in current limit and thermal shutdown protection.  
- Adjustable version requires only two external resistors for output voltage setting.  
- Error flag output warns of low output voltage (due to input dropout or overcurrent).  
- Suitable for battery-powered applications due to low power consumption.  

The LP2951CSD is commonly used in portable electronics, automotive systems, and industrial applications.

Partnumber Manufacturer Quantity Availability
LP2951CSD NS 5048 In Stock

Description and Introduction

Series of Adjustable Micropower Voltage Regulators The LP2951CSD is a low-dropout voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage Options:** Fixed (3.0V, 3.3V, 5.0V) or Adjustable (1.24V to 29V)  
- **Output Current:** Up to 100mA  
- **Dropout Voltage:** 380mV (typical at 100mA load)  
- **Input Voltage Range:** Up to 30V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.04% (typical)  
- **Quiescent Current:** 80μA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-Pin WSON (CSD)  

### **Descriptions:**  
- The LP2951CSD is a micropower voltage regulator with very low dropout voltage, making it suitable for battery-powered applications.  
- It includes features like current limit protection, thermal shutdown, and reverse battery protection.  
- The adjustable version allows setting the output voltage with external resistors.  

### **Features:**  
- **Low Dropout Voltage:** Ensures stable output even with small input-output differentials.  
- **Low Quiescent Current:** Ideal for battery-operated devices.  
- **Error Flag Output:** Warns when the output voltage drops out of regulation.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors.  

This information is strictly factual and derived from the manufacturer's datasheet.

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