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LP3985IM5-2.9 from NSC,National Semiconductor

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15.625ms

LP3985IM5-2.9

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LP3985IM5-2.9,LP3985IM529 NSC 865 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IM5-2.9 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 2.9V (fixed)  
- **Output Current:** Up to 150mA  
- **Dropout Voltage:** 300mV (typical) at 150mA load  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Protection Features:** Thermal shutdown, current limit  

### **Descriptions and Features:**  
- Ultra-low dropout voltage for extended battery life.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low noise and high PSRR (Power Supply Rejection Ratio).  
- Fast transient response.  
- Designed for portable and battery-powered applications.  
- Available in a small SOT-23-5 package for space-constrained designs.  

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

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