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LP2981IM5X-2.9 from NS,National Semiconductor

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LP2981IM5X-2.9

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP2981IM5X-2.9,LP2981IM5X29 NS 20000 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5X-2.9 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 2.9V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at 100mA load)  
- **Input Voltage Range:** 2.5V to 16V  
- **Low Quiescent Current:** 75µA (typical)  
- **Low Shutdown Current:** <1µA  
- **Accuracy:** ±1.5% (over line, load, and temperature)  
- **Package:** SOT-23-5 (IM5X)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- Designed for battery-powered applications requiring stable voltage regulation.  
- Ultra-low dropout performance for extended battery life.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low noise and high PSRR (Power Supply Rejection Ratio).  
- Suitable for portable devices, embedded systems, and power-sensitive applications.  
- Thermal shutdown and current limit protection enhance reliability.  

This regulator is optimized for space-constrained designs due to its small SOT-23-5 package.

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