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LP3985ITLX-285/NOPB from NSC,National Semiconductor

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LP3985ITLX-285/NOPB

Manufacturer: NSC

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator 5-DSBGA -40 to 125

Partnumber Manufacturer Quantity Availability
LP3985ITLX-285/NOPB,LP3985ITLX285NOPB NSC 3000 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator 5-DSBGA -40 to 125 The LP3985ITLX-285/NOPB is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage:** 2.85V (fixed)  
- **Output Current:** 150mA  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Dropout Voltage:** 120mV (typical) at 150mA load  
- **Quiescent Current:** 75µA (typical)  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.05%/mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
- The LP3985 is designed for battery-powered applications requiring low noise and high PSRR (Power Supply Rejection Ratio).  
- It features a low quiescent current, making it suitable for portable devices.  
- The device includes thermal shutdown and current limit protection.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation with minimal headroom.  
- **High PSRR:** 75dB at 1kHz (typical) for noise-sensitive applications.  
- **Low Noise:** Optimized for RF and analog circuits.  
- **Fast Transient Response:** Improves stability under load changes.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Stable with Low-ESR Ceramic Capacitors:** Reduces external component count.  

This information is based on the manufacturer's datasheet for the LP3985ITLX-285/NOPB.

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