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LP3985IBP-3.1 from NSC,National Semiconductor

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LP3985IBP-3.1

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LP3985IBP-3.1,LP3985IBP31 NSC 20 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IBP-3.1 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 3.1V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical) at 150mA  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions:**  
The LP3985IBP-3.1 is a high-performance LDO regulator designed for battery-powered applications. It provides a stable 3.1V output with low noise and high PSRR (Power Supply Rejection Ratio).  

### **Features:**  
- Ultra-low dropout voltage  
- Low quiescent current  
- Stable with low-ESR ceramic capacitors  
- Thermal shutdown and current limit protection  
- Fast transient response  
- Small SOT-23-5 package for space-constrained applications  

This regulator is suitable for portable electronics, wireless devices, and other power-sensitive applications.

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