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LP3985IM5X-3.0 from NS,National Semiconductor

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LP3985IM5X-3.0

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP3985IM5X-3.0,LP3985IM5X30 NS 36500 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IM5X-3.0 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.0V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at 150mA load)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The LP3985IM5X-3.0 is a high-performance LDO regulator designed for battery-powered applications.  
- It provides a stable 3.0V output with low noise and high PSRR (Power Supply Rejection Ratio).  
- The device includes thermal shutdown and current limit protection for enhanced reliability.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation with minimal input-output differential.  
- **Low Quiescent Current:** Ideal for portable and battery-operated devices.  
- **High PSRR (60dB at 1kHz):** Reduces output noise and improves performance in sensitive applications.  
- **Thermal Shutdown & Current Limit Protection:** Protects the device from overheating and overcurrent conditions.  
- **Stable with Low-ESR Ceramic Capacitors:** Simplifies PCB design and reduces cost.  
- **Fast Transient Response:** Maintains stable output under varying load conditions.  

This regulator is commonly used in portable electronics, wireless devices, and other applications requiring a stable 3.0V supply.

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