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LP2981IM5X-3.3/NOPB from NSC,National Semiconductor

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LP2981IM5X-3.3/NOPB

Manufacturer: NSC

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 Package 5-SOT-23 -40 to 125

Partnumber Manufacturer Quantity Availability
LP2981IM5X-3.3/NOPB,LP2981IM5X33NOPB NSC 3000 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 Package 5-SOT-23 -40 to 125 **Manufacturer:** NSC (National Semiconductor Corporation)  

**Part Number:** LP2981IM5X-3.3/NOPB  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 100mA  
- **Input Voltage Range:** 2.5V to 16V  
- **Dropout Voltage:** 300mV (typical at 100mA load)  
- **Accuracy:** ±1.5% (over line, load, and temperature)  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  
- **Low Noise:** 30µVRMS (typical)  
- **PSRR (Power Supply Rejection Ratio):** 70dB (at 1kHz)  

### **Descriptions:**  
The LP2981IM5X-3.3/NOPB is a low-dropout (LDO) voltage regulator designed for applications requiring a stable 3.3V supply with low noise and high efficiency. It is optimized for battery-powered systems and provides excellent line and load regulation.  

### **Features:**  
- Ultra-low dropout voltage  
- Low quiescent current  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Thermal shutdown and current limit protection  
- High PSRR for noise-sensitive applications  
- RoHS-compliant and lead-free (NOPB)  

This regulator is suitable for portable electronics, battery-powered devices, and noise-sensitive analog circuits.

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