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LP2981IM5-2.8 from NS,National Semiconductor

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LP2981IM5-2.8

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP2981IM5-2.8,LP2981IM528 NS 60000 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-2.8 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 2.8V (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 (IM5)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LP2981IM5-2.8 is a precision LDO regulator designed for battery-powered applications. It provides stable 2.8V output with low dropout and minimal power consumption.  

### **Features:**  
- Ultra-low dropout voltage  
- Low noise output  
- Stable with low-ESR ceramic capacitors  
- Thermal shutdown and current limit protection  
- Suitable for portable and battery-operated devices  

This information is based on Texas Instruments' datasheet for the LP2981 series.

Partnumber Manufacturer Quantity Availability
LP2981IM5-2.8,LP2981IM528 NSC 75 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-2.8 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 2.8V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at 100mA load)  
- **Input Voltage Range:** Up to 16V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5 (Miniature 5-Pin Package)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Accuracy:** ±1% (over line, load, and temperature)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- Designed for battery-powered applications requiring low quiescent current.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low noise and high PSRR (Power Supply Rejection Ratio).  
- Suitable for portable electronics, wireless devices, and power-sensitive applications.  
- RoHS-compliant and lead-free.  

This regulator provides a stable 2.8V output with minimal power loss, making it ideal for space-constrained and power-efficient designs.

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