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LP2957AISX from NS,National Semiconductor

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LP2957AISX

Manufacturer: NS

5V Low-Dropout Regulator for micro-P Application

Partnumber Manufacturer Quantity Availability
LP2957AISX NS 48 In Stock

Description and Introduction

5V Low-Dropout Regulator for micro-P Application The LP2957AISX is a low-dropout voltage regulator manufactured by National Semiconductor (NS). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** National Semiconductor (NS)  
- **Part Number:** LP2957AISX  
- **Type:** Low-Dropout (LDO) Voltage Regulator  
- **Output Voltage Options:** Adjustable (1.23V to 29V) or Fixed (5V, 3.3V, 3V)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 380mV (typical at 500mA load)  
- **Input Voltage Range:** Up to 30V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.04% (typical)  
- **Quiescent Current:** 1.1mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** TO-263 (D2PAK)  

### **Descriptions:**  
- The LP2957AISX is a high-performance LDO regulator designed for applications requiring stable voltage with low dropout.  
- It includes built-in protection features such as current limit, thermal shutdown, and reverse battery protection.  
- Suitable for battery-powered systems, industrial controls, and automotive applications.  

### **Features:**  
- Low dropout voltage (380mV at 500mA).  
- Adjustable or fixed output voltage options.  
- Low quiescent current (1.1mA typical).  
- High accuracy (±1% over line, load, and temperature).  
- Built-in current and thermal protection.  
- Reverse battery protection.  
- Stable with low-ESR capacitors.  

This information is based on the manufacturer's datasheet and technical documentation.

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