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LP3981IMM-3.03 from NAS

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LP3981IMM-3.03

Manufacturer: NAS

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3981IMM-3.03,LP3981IMM303 NAS 104000 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981IMM-3.03 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NAS).  

### **Manufacturer:**  
Texas Instruments (formerly National Semiconductor, NAS)  

### **Specifications:**  
- **Output Voltage:** 3.03V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 180mV (typical) at 150mA load  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** 8-pin VSSOP (MSOP)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.1% (typical)  

### **Descriptions and Features:**  
- Ultra-low dropout voltage for extended battery life  
- Low quiescent current for power-sensitive applications  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Thermal shutdown and current limit protection  
- High PSRR (Power Supply Rejection Ratio) for noise-sensitive applications  
- Designed for portable and battery-powered devices  

This information is based on the datasheet and technical documentation for the LP3981IMM-3.03.

Partnumber Manufacturer Quantity Availability
LP3981IMM-3.03,LP3981IMM303 NS 13720 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981IMM-3.03 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

**Key Specifications:**  
- **Output Voltage:** 3.03V (fixed)  
- **Output Current:** Up to 300mA  
- **Dropout Voltage:** 120mV (typical at 100mA load)  
- **Input Voltage Range:** 2.5V to 6V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** 8-pin VSSOP (MSOP)  
- **Operating Temperature Range:** -40°C to +125°C  

**Features:**  
- Ultra-low dropout voltage  
- Low quiescent current  
- High PSRR (Power Supply Rejection Ratio)  
- Thermal shutdown and current limit protection  
- Stable with low-ESR ceramic capacitors  

**Applications:**  
- Battery-powered devices  
- Portable electronics  
- Embedded systems  

This regulator is designed for efficiency and stability in space-constrained applications.

Partnumber Manufacturer Quantity Availability
LP3981IMM-3.03,LP3981IMM303 NSC 46 In Stock

Description and Introduction

Micropower, 300mA Ultra Low-Dropout CMOS Voltage Regulator The LP3981IMM-3.03 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.03V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 300mV (typical at 300mA load)  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** 8-Pin MSOP (Mini Small Outline Package)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.05%/mA (typical)  
- **PSRR (Power Supply Rejection Ratio):** 70dB at 1kHz  

### **Descriptions and Features:**  
- **Low Dropout Voltage:** Ensures stable output even when input voltage is close to the output voltage.  
- **Low Quiescent Current:** Enhances efficiency in battery-powered applications.  
- **Fast Transient Response:** Suitable for dynamic load conditions.  
- **Thermal and Overcurrent Protection:** Safeguards against overheating and excessive current.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic capacitors.  
- **Enable Pin (EN):** Allows for shutdown mode, reducing power consumption when not in use.  

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

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