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LP2981IM5X-3.0 from NATIONAL,National Semiconductor

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LP2981IM5X-3.0

Manufacturer: NATIONAL

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages

Partnumber Manufacturer Quantity Availability
LP2981IM5X-3.0,LP2981IM5X30 NATIONAL 88650 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5X-3.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (now part of Texas Instruments). Here are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 3.0V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at 100mA load)  
- **Input Voltage Range:** 2.3V to 16V  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.04%/mA (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
- The LP2981IM5X-3.0 is a precision LDO regulator designed for battery-powered applications.  
- It provides stable 3.0V output with low noise and high PSRR (Power Supply Rejection Ratio).  
- Features thermal shutdown and current limit protection.  

### **Features:**  
- **Low Dropout:** Operates efficiently with minimal headroom.  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **Low Quiescent Current:** Extends battery life.  
- **Thermal Shutdown & Current Limit:** Protects against overheating and short circuits.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors.  

This regulator is commonly used in portable electronics, wireless devices, and embedded systems requiring stable 3.0V power.

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