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LP3981ILD-3.03 from NATIONAL,National Semiconductor

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15.625ms

LP3981ILD-3.03

Manufacturer: NATIONAL

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3981ILD-3.03,LP3981ILD303 NATIONAL 3000 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981ILD-3.03 is a low-dropout (LDO) voltage regulator manufactured by **NATIONAL SEMICONDUCTOR** (now part of Texas Instruments).  

### **Specifications:**  
- **Output Voltage:** 3.03V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 300mV (typical at 300mA load)  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Package:** 5-Lead SOT-23  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions & Features:**  
- Designed for battery-powered applications requiring stable voltage regulation.  
- Ultra-low dropout improves efficiency in low-voltage systems.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low noise and high PSRR for sensitive analog/digital circuits.  
- Thermal shutdown and current limit protection enhance reliability.  

For detailed datasheets, refer to **Texas Instruments** (as they acquired National Semiconductor).

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