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LP3985IM5-4.7 from NS,National Semiconductor

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LP3985IM5-4.7

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP3985IM5-4.7,LP3985IM547 NS 9000 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IM5-4.7 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 4.7V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**
- The LP3985IM5-4.7 is a high-performance LDO regulator designed for battery-powered applications.  
- It provides stable voltage regulation with low noise and high PSRR (Power Supply Rejection Ratio).  
- The device includes built-in protection features such as thermal shutdown and current limit.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation with minimal headroom.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Fast Transient Response:** Maintains stable output under load changes.  
- **Thermal Shutdown & Current Limit Protection:** Safeguards the regulator from overheating and excessive current.  
- **Stable with Low-ESR Capacitors:** Works reliably with ceramic capacitors.  

This information is based on the manufacturer's datasheet and technical documentation.

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