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LP3981ILD-2.8 from NS,National Semiconductor

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15.625ms

LP3981ILD-2.8

Manufacturer: NS

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3981ILD-2.8,LP3981ILD28 NS 76020 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981ILD-2.8 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 2.8V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 120mV (typical at 100mA load)  
- **Input Voltage Range:** 2.5V to 6V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 75dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 5-Pin SOT-23 (DSBGA option available)  
- **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 noise output for sensitive applications  
- Designed for portable and battery-powered devices  
- RoHS compliant  

This LDO is commonly used in applications such as portable electronics, wireless devices, and power-sensitive systems requiring a stable 2.8V supply.

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