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LP2981IM5-5.0 from NS,National Semiconductor

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LP2981IM5-5.0

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP2981IM5-5.0,LP2981IM550 NS 3855 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-5.0 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at 100mA load)  
- **Input Voltage Range:** Up to 16V  
- **Low Quiescent Current:** 75µA (typical)  
- **Low Noise:** 30µVRMS (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Package:** SOT-23-5 (IM5)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- Designed for battery-powered applications requiring a stable 5V supply.  
- Ultra-low dropout performance improves efficiency in low-voltage systems.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low ground current enhances battery life.  
- Suitable for noise-sensitive applications due to low output noise.  
- Includes reverse-battery protection.  

This regulator is commonly used in portable electronics, instrumentation, and embedded systems.

Partnumber Manufacturer Quantity Availability
LP2981IM5-5.0,LP2981IM550 NATIONAL 3000 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-5.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (now part of Texas Instruments).  

### **Specifications:**  
- **Output Voltage:** 5.0V (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  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.2% (typical)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- **Low Dropout:** Operates efficiently with very small input-output differential voltage.  
- **Low Quiescent Current:** Ideal for battery-powered applications.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥1µF).  
- **High Accuracy:** Tight output voltage tolerance (±2% over temperature).  
- **Fast Transient Response:** Suitable for dynamic load conditions.  
- **Thermal Protection:** Prevents damage from overheating.  
- **Current Limiting:** Protects against short circuits.  

This regulator is commonly used in portable electronics, battery-powered devices, and noise-sensitive applications.

Partnumber Manufacturer Quantity Availability
LP2981IM5-5.0,LP2981IM550 NS,NS 1000 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-5.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at 100mA load)  
- **Input Voltage Range:** Up to 16V  
- **Quiescent Current:** 75µA (typical)  
- **Low Shutdown Current:** 0.01µA (typical)  
- **Accuracy:** ±1.5% (over line, load, and temperature)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions and Features:**  
- **Low Quiescent Current:** Ensures minimal power loss in battery-operated applications.  
- **Low Dropout Voltage:** Maintains regulation even when the input voltage is close to the output voltage.  
- **Thermal and Overcurrent Protection:** Safeguards the device from damage.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors for space-saving designs.  
- **Fast Transient Response:** Suitable for noise-sensitive applications.  
- **Logic-Controlled Electronic Shutdown:** Allows power management control.  

This regulator is commonly used in portable electronics, battery-powered devices, and noise-sensitive applications.

Partnumber Manufacturer Quantity Availability
LP2981IM5-5.0,LP2981IM550 NSC 12 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5-5.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** Up to 16V  
- **Dropout Voltage:** 300mV (typical) at 100mA load  
- **Output Current:** 100mA (maximum)  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.05% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The LP2981IM5-5.0 is a precision LDO regulator designed for low-power applications.  
- It provides a stable 5.0V output with low noise and high accuracy.  
- Suitable for battery-powered devices, portable electronics, and noise-sensitive applications.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Enhances battery life in portable applications.  
- **Thermal Shutdown & Current Limit Protection:** Protects the device from overheating and overcurrent conditions.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic capacitors.  
- **Fast Transient Response:** Maintains stable output under varying load conditions.  

This regulator is commonly used in applications such as power supplies for microcontrollers, sensors, and other low-power circuits.

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