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LP3981IMM-3.3 from NSC,National Semiconductor

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LP3981IMM-3.3

Manufacturer: NSC

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3981IMM-3.3,LP3981IMM33 NSC 15 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981IMM-3.3 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 130mV (typical) at 150mA load  
- **Input Voltage Range:** 2.5V to 6.0V  
- **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:** 0.1%/mA (typical)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions & Features:**  
- Ultra-low dropout voltage for extended battery life  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Low noise and high PSRR (Power Supply Rejection Ratio)  
- Fast transient response  
- Designed for portable and battery-powered applications  
- RoHS-compliant  

This LDO is commonly used in applications requiring stable voltage regulation, such as portable devices, wireless systems, and embedded electronics.

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