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LP3981IMMX-3.3 from NSC,National Semiconductor

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15.625ms

LP3981IMMX-3.3

Manufacturer: NSC

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3981IMMX-3.3,LP3981IMMX33 NSC 100 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981IMMX-3.3 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 300mV (typical at 300mA load)  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Accuracy:** ±2% over line, load, and temperature  
- **Quiescent Current:** 75µA (typical)  
- **Package:** 8-Pin MSOP (Mini Small Outline Package)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Overcurrent and thermal shutdown  

### **Description:**  
The LP3981IMMX-3.3 is a high-performance LDO regulator designed for battery-powered applications requiring stable voltage with low noise and low quiescent current.  

### **Features:**  
- Low dropout voltage (300mV at 300mA)  
- Ultra-low quiescent current (75µA typical)  
- Stable with low-ESR ceramic capacitors  
- Fast transient response  
- Thermal shutdown and current limit protection  
- RoHS-compliant  

This regulator is suitable for portable electronics, wireless devices, and other power-sensitive applications.

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