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LP3985ITLX-2.7 from NS,National Semiconductor

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LP3985ITLX-2.7

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP3985ITLX-2.7,LP3985ITLX27 NS 11862 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985ITLX-2.7 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 2.7V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 130mV (typical) at 150mA load  
- **Input Voltage Range:** 2.5V to 6V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5  
- **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:**  
- Ultra-low dropout voltage for extended battery life  
- Stable with low-ESR ceramic capacitors (≥1µF)  
- Low noise and high PSRR for sensitive applications  
- Thermal shutdown and current limit protection  

### **Features:**  
- **Low Quiescent Current:** Ideal for battery-powered devices  
- **Fast Transient Response:** Suitable for dynamic loads  
- **No External Capacitor Required:** Stable with small ceramic capacitors  
- **Protection Circuits:** Overcurrent and thermal shutdown  
- **Small Form Factor:** SOT-23-5 package for space-constrained designs  

This LDO is commonly used in portable electronics, wireless devices, and power-sensitive applications.

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