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LP3873ES-1.8 from NS,National Semiconductor

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LP3873ES-1.8

Manufacturer: NS

3A Fast Ultra Low Dropout Linear Regulator

Partnumber Manufacturer Quantity Availability
LP3873ES-1.8,LP3873ES18 NS 5500 In Stock

Description and Introduction

3A Fast Ultra Low Dropout Linear Regulator The LP3873ES-1.8 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS).  

### **Key Specifications:**  
- **Output Voltage:** 1.8V (fixed)  
- **Output Current:** Up to 800mA  
- **Dropout Voltage:** Typically 340mV at full load (800mA)  
- **Input Voltage Range:** 2.5V to 7V  
- **Low Quiescent Current:** Typically 1.7mA  
- **High PSRR (Power Supply Rejection Ratio):** 75dB at 120Hz  
- **Low Noise:** 30μVRMS (10Hz to 100kHz)  
- **Protection Features:** Thermal shutdown, current limit  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 5-Lead SOT-223  

### **Description & Features:**  
- Designed for stable operation with low-ESR ceramic capacitors.  
- Provides fast transient response for demanding applications.  
- Suitable for battery-powered devices, portable electronics, and noise-sensitive circuits.  
- No external compensation required.  
- Stable with output capacitance as low as 10μF.  

This regulator is ideal for applications requiring a precise and clean 1.8V supply with high efficiency and reliability.

Partnumber Manufacturer Quantity Availability
LP3873ES-1.8,LP3873ES18 NS Pb-free 265 In Stock

Description and Introduction

3A Fast Ultra Low Dropout Linear Regulator The LP3873ES-1.8 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NS). Below are the factual details from Ic-phoenix technical data files:  

### **Manufacturer:**  
- **NS (National Semiconductor)**  

### **Pb-Free Specifications:**  
- The LP3873ES-1.8 is **lead-free (Pb-free)** and complies with RoHS (Restriction of Hazardous Substances) standards.  

### **Descriptions:**  
- The LP3873ES-1.8 is a **1.8V fixed-output, low-dropout linear voltage regulator**.  
- It is designed for applications requiring **high accuracy, low noise, and low dropout voltage**.  
- The device provides **up to 800mA of output current** with a typical dropout voltage of **340mV at full load**.  
- It features **low quiescent current** and **thermal shutdown protection**.  

### **Features:**  
- **Output Voltage:** Fixed **1.8V**  
- **Output Current:** **800mA**  
- **Dropout Voltage:** **340mV (typical) at full load**  
- **Low Quiescent Current:** **5.5mA (typical)**  
- **Thermal Shutdown Protection:** Yes  
- **Stable with Low-ESR Capacitors**  
- **Operating Junction Temperature Range:** **-40°C to +125°C**  
- **Package:** **5-Pin TO-263 (D2PAK)**  

This information is strictly based on the provided knowledge base. Let me know if you need further details.

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