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LP3981IMM-2.5 from NS,National Semiconductor

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LP3981IMM-2.5

Manufacturer: NS

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3981IMM-2.5,LP3981IMM25 NS 11998 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981IMM-2.5 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 2.5V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 120mV (typical at 300mA)  
- **Input Voltage Range:** 2.7V to 6V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** 8-pin MSOP (Mini Small Outline Package)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.05%/mA (typical)  
- **PSRR (Power Supply Rejection Ratio):** 70dB at 1kHz  

### **Descriptions and Features:**  
- Ultra-low dropout voltage for extended battery life.  
- Low quiescent current for power-sensitive applications.  
- Stable with low-ESR ceramic capacitors.  
- Thermal shutdown and current limit protection.  
- Fast transient response for dynamic loads.  
- Designed for portable and battery-powered devices.  

This regulator is commonly used in applications such as portable electronics, wireless devices, and embedded systems requiring stable power delivery.

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