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LP3984IMFX-1.5 from NSC,National Semiconductor

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LP3984IMFX-1.5

Manufacturer: NSC

Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package

Partnumber Manufacturer Quantity Availability
LP3984IMFX-1.5,LP3984IMFX15 NSC 6710 In Stock

Description and Introduction

Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package The LP3984IMFX-1.5 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC). Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 1.5V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 120mV (typical at 100mA load)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Quiescent Current:** 75µA (typical)  
- **Line Regulation:** 0.03%/V (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The LP3984 is a low-noise, high-PSRR (Power Supply Rejection Ratio) LDO regulator designed for battery-powered applications.  
- It provides stable voltage regulation with minimal power loss, making it suitable for portable electronics.  
- The device includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**
- **Ultra-Low Dropout Voltage** (120mV typical at 100mA)  
- **Low Quiescent Current** (75µA typical)  
- **High PSRR** (60dB at 1kHz)  
- **Thermal Shutdown & Current Limit Protection**  
- **Stable with Low-ESR Ceramic Capacitors** (≥1µF)  
- **Fast Transient Response**  
- **Small SOT-23-5 Package** for space-constrained designs  

This information is sourced from the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
LP3984IMFX-1.5,LP3984IMFX15 NS 580 In Stock

Description and Introduction

Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package The LP3984IMFX-1.5 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (NS).  

### **Key Specifications:**  
- **Output Voltage:** 1.5V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 180mV (typical at 300mA load)  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Accuracy:** ±1.5% (over line, load, and temperature)  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  

### **Features:**  
- Ultra-low dropout voltage  
- Low noise and high PSRR (Power Supply Rejection Ratio)  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Thermal shutdown and current limit protection  
- Fast transient response  
- Low shutdown current (<1µA)  

The LP3984IMFX-1.5 is designed for battery-powered applications, portable devices, and noise-sensitive circuits.

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