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LP3985IBP-3.3 from NS,National Semiconductor

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LP3985IBP-3.3

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP3985IBP-3.3,LP3985IBP33 NS 750 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IBP-3.3 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at 150mA load)  
- **Input Voltage Range:** 2.5V to 6.5V  
- **Line Regulation:** 0.03% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-223 (5-pin)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
- The LP3985IBP-3.3 is a high-performance LDO regulator designed for battery-powered applications.  
- It provides a stable 3.3V output with low noise and high PSRR (Power Supply Rejection Ratio).  
- The device includes overcurrent and thermal shutdown protection.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation with minimal headroom.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **High PSRR:** 70dB at 1kHz (typical), reducing noise in sensitive circuits.  
- **Fast Transient Response:** Suitable for dynamic load conditions.  
- **Thermal Shutdown & Current Limit Protection:** Enhances reliability.  
- **Stable with Low-ESR Capacitors:** Works with ceramic or tantalum capacitors.  

This information is strictly based on the manufacturer's datasheet and specifications.

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