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LP3981IMMX-2.5 from NS,National Semiconductor

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LP3981IMMX-2.5

Manufacturer: NS

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3981IMMX-2.5,LP3981IMMX25 NS 5399 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981IMMX-2.5 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (NS).  

**Key Specifications:**  
- **Output Voltage:** 2.5V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 180mV (typical at 150mA load)  
- **Input Voltage Range:** 2.5V to 6V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** 8-pin VSSOP (MSOP)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.1% (typical)  

**Features:**  
- Low dropout voltage for extended battery life  
- Low quiescent current for power-sensitive applications  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Thermal shutdown and current limit protection  
- Fast transient response  
- Low noise output  

**Applications:**  
- Battery-powered devices  
- Portable electronics  
- Wireless communication systems  
- Embedded systems  

This regulator is designed for space-constrained applications requiring stable voltage regulation with minimal power loss.

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