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LP2981AIM5X-4.0 from NAS

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LP2981AIM5X-4.0

Manufacturer: NAS

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

Partnumber Manufacturer Quantity Availability
LP2981AIM5X-4.0,LP2981AIM5X40 NAS 3000 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981AIM5X-4.0 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NAS).  

### **Specifications:**  
- **Output Voltage:** 4.0V (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:** ±2% (over line, load, and temperature)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Features:**  
- Ultra-low dropout voltage  
- Low noise output  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Thermal shutdown and current limit protection  
- Reverse battery protection  
- Fast transient response  

### **Applications:**  
- Battery-powered devices  
- Portable electronics  
- Post-regulation for switching supplies  

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

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