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LP3981ILDX-3.0 from NS,National Semiconductor

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LP3981ILDX-3.0

Manufacturer: NS

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3981ILDX-3.0,LP3981ILDX30 NS 400 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981ILDX-3.0 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (NS).  

**Key Specifications:**  
- **Output Voltage:** 3.0V (fixed)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Maximum Output Current:** 300mA  
- **Dropout Voltage:** 150mV (typical at 100mA load)  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Package:** 5-pin SOT-23 (DBV)  

**Features:**  
- Ultra-low dropout voltage  
- Low noise and high PSRR for sensitive applications  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Thermal shutdown and current limit protection  
- Fast transient response  

**Applications:**  
- Battery-powered devices  
- Portable electronics  
- RF and wireless systems  
- Medical instruments  

This regulator is designed for space-constrained applications requiring stable, low-noise power.

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