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LP3981IMM-3.0 from NS,National Semiconductor

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15.625ms

LP3981IMM-3.0

Manufacturer: NS

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3981IMM-3.0,LP3981IMM30 NS 2000 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981IMM-3.0 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Output Voltage:** 3.0V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 120mV (typical) at 100mA load  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** 8-pin VSSOP (MSOP)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Accuracy:** ±2% over line, load, and temperature  
- **Low Noise:** 30µVRMS (typical)  
- **PSRR (Power Supply Rejection Ratio):** 65dB at 1kHz  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- Ultra-low dropout voltage for extended battery life  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Fast transient response  
- Low quiescent current for power-sensitive applications  
- Thermal shutdown and current limit protection  
- Suitable for portable and battery-powered devices  

This LDO is commonly used in applications such as portable electronics, wireless devices, and power management systems.  

(Note: "NS" refers to National Semiconductor, which was acquired by Texas Instruments.)

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