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LP3985IBLX-3.1 from NS,National Semiconductor

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LP3985IBLX-3.1

Manufacturer: NS

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator

Partnumber Manufacturer Quantity Availability
LP3985IBLX-3.1,LP3985IBLX31 NS 15000 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IBLX-3.1 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 3.1V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at 150mA load)  
- **Input Voltage Range:** 2.5V to 6V  
- **Low Quiescent Current:** 75µA (typical)  
- **High PSRR:** 65dB at 1kHz  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions and Features:**  
- Ultra-low dropout voltage for extended battery life.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low noise and high power supply rejection ratio (PSRR).  
- Thermal shutdown and current limit protection.  
- Fast transient response for portable applications.  
- RoHS-compliant and lead-free.  

This regulator is designed for battery-powered devices, portable electronics, and noise-sensitive applications.

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