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LP3984ITPX-1.8 from NS,National Semiconductor

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LP3984ITPX-1.8

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP3984ITPX-1.8,LP3984ITPX18 NS 3000 In Stock

Description and Introduction

Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package The LP3984ITPX-1.8 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Output Voltage:** 1.8V  
- **Output Current:** 300mA  
- **Dropout Voltage:** 150mV (typical) at 300mA  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Low Noise:** 30µVRMS (10Hz to 100kHz)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  

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

### **Applications:**  
- Battery-powered devices  
- Portable electronics  
- RF and wireless systems  
- Post-regulation for switching supplies  

This regulator is designed for space-constrained applications requiring high efficiency and low noise.

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