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LP3984IMF-3.1 from NS,National Semiconductor

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LP3984IMF-3.1

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP3984IMF-3.1,LP3984IMF31 NS 95 In Stock

Description and Introduction

Micropower, 150mA Ultra Low-Dropout CMOS Voltage Regulator in Subminiature 4-I/O micro SMD Package The LP3984IMF-3.1 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

**Key Specifications:**  
- **Output Voltage:** 3.1V (fixed)  
- **Output Current:** 300mA  
- **Dropout Voltage:** 300mV (typical at 300mA)  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Package:** SOT-23-5  

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

**Applications:**  
- Battery-powered devices  
- Portable electronics  
- RF and wireless systems  

This regulator is designed for space-constrained applications requiring stable voltage regulation.

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