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LP2981IM5X-3.8 from NS,National Semiconductor

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LP2981IM5X-3.8

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP2981IM5X-3.8,LP2981IM5X38 NS 9000 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5X-3.8 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 3.8V (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:** <1µA  
- **High Accuracy:** ±2% over line, load, and temperature  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions & Features:**  
- Designed for battery-powered applications requiring stable voltage regulation.  
- Features low dropout voltage, making it suitable for applications with tight input-output differentials.  
- Includes thermal shutdown and current limit protection for enhanced reliability.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Optimized for noise-sensitive applications due to low output noise.  
- Suitable for portable electronics, power management in embedded systems, and battery-powered devices.  

This information is based on the manufacturer's datasheet. For detailed performance characteristics, refer to the official documentation.

Partnumber Manufacturer Quantity Availability
LP2981IM5X-3.8,LP2981IM5X38 NAS 6000 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5X-3.8 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NAS).  

### **Specifications:**  
- **Output Voltage:** 3.8V (fixed)  
- **Output Current:** Up to 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  
- **Package:** SOT-23-5 (IM5X)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- Ultra-low-dropout regulator designed for battery-powered applications.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low noise and high PSRR (Power Supply Rejection Ratio) for sensitive analog circuits.  
- Includes an enable pin (EN) for power-saving mode.  
- Suitable for portable devices, wireless applications, and power-sensitive designs.  

This regulator is optimized for efficiency and reliability in space-constrained applications.

Partnumber Manufacturer Quantity Availability
LP2981IM5X-3.8,LP2981IM5X38 NS国半 28000 In Stock

Description and Introduction

Micropower 100 mA Ultra Low-Dropout Regulator in SOT-23 and micro SMD Packages The LP2981IM5X-3.8 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS国半). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** 3.8V (fixed)  
- **Output Current:** 100mA  
- **Dropout Voltage:** 300mV (typical at 100mA load)  
- **Input Voltage Range:** Up to 16V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.04% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5 (IM5X)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:**  
  - Thermal shutdown  
  - Current limit  

### **Descriptions:**  
The LP2981IM5X-3.8 is a high-accuracy, low-power LDO regulator designed for battery-powered and portable applications. It provides a stable 3.8V output with low dropout voltage, making it suitable for applications requiring precise voltage regulation with minimal power loss.  

### **Features:**  
- **Low Dropout Voltage:** 300mV at 100mA load.  
- **Low Quiescent Current:** 75µA (typical).  
- **High Accuracy:** ±1% output voltage tolerance.  
- **Wide Input Voltage Range:** Up to 16V.  
- **Thermal and Current-Limit Protection:** Ensures safe operation under fault conditions.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors.  
- **Small Form Factor:** SOT-23-5 package for space-constrained designs.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

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