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LP2953 from NS,National Semiconductor

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LP2953

Manufacturer: NS

Adjustable Micropower Low-Dropout Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP2953 NS 475 In Stock

Description and Introduction

Adjustable Micropower Low-Dropout Voltage Regulator The LP2953 is a low-dropout voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Output Voltage:** Adjustable (1.24V to 29V) or fixed (5V, 3.3V, 3V).  
- **Output Current:** 250mA (guaranteed).  
- **Dropout Voltage:** 380mV typical at 250mA load.  
- **Input Voltage Range:** Up to 30V.  
- **Line Regulation:** 0.06% typical.  
- **Load Regulation:** 0.3% typical.  
- **Quiescent Current:** 75µA typical (with shutdown mode reducing it to 1µA).  
- **Operating Temperature Range:** -40°C to +125°C.  
- **Package Options:** TO-220, TO-263, SOIC-8.  

### **Descriptions:**  
- The LP2953 is a precision voltage regulator with very low dropout voltage, making it suitable for battery-powered applications.  
- It includes features like thermal shutdown, current limit protection, and reverse battery protection.  
- The adjustable version uses an external resistor divider to set the output voltage.  

### **Features:**  
- Low dropout voltage (380mV at 250mA).  
- Low quiescent current (75µA typical).  
- Thermal shutdown and short-circuit protection.  
- Reverse battery protection.  
- Stable with low-ESR capacitors (≥1µF).  
- Adjustable or fixed output voltage options.  

These details are based on the manufacturer's datasheet for the LP2953 by National Semiconductor (NS).

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