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LP2981AIM5-3.1 from NATIONAL,National Semiconductor

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LP2981AIM5-3.1

Manufacturer: NATIONAL

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

Partnumber Manufacturer Quantity Availability
LP2981AIM5-3.1,LP2981AIM531 NATIONAL 3200 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981AIM5-3.1 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (now part of Texas Instruments).  

### **Specifications:**  
- **Output Voltage:** 3.1V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at 100mA load)  
- **Input Voltage Range:** Up to 16V  
- **Low Quiescent Current:** 75µA (typical)  
- **Low Shutdown Current:** 0.01µA (typical)  
- **Accuracy:** ±1.5% (over line, load, and temperature)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions & Features:**  
- Designed for battery-powered applications requiring stable voltage regulation.  
- Ultra-low dropout allows operation with very small input-output differentials.  
- Stable with low-ESR ceramic capacitors (≥1µF recommended).  
- Low noise and fast transient response.  
- Suitable for portable electronics, instrumentation, and power-sensitive systems.  

For detailed datasheet information, refer to the manufacturer's documentation.

Partnumber Manufacturer Quantity Availability
LP2981AIM5-3.1,LP2981AIM531 NS 262 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981AIM5-3.1 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 3.1V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 2.5V to 16V  
- **Low Quiescent Current:** 75µA (typical)  
- **Low Noise:** 30µVRMS (typical)  
- **High PSRR:** 60dB at 1kHz  
- **Package:** SOT-23-5  
- **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 ensures efficient operation even with small input-output differentials.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Suitable for noise-sensitive applications due to low output noise.  
- Thermal shutdown and current limit protection enhance reliability.  
- Ideal for portable electronics, embedded systems, and power-sensitive devices.  

This information is based solely on the manufacturer's datasheet.

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