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LP3985IBLX-4.8 from NS,National Semiconductor

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LP3985IBLX-4.8

Manufacturer: NS

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

Partnumber Manufacturer Quantity Availability
LP3985IBLX-4.8,LP3985IBLX48 NS 100000 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IBLX-4.8 is a low-dropout (LDO) voltage regulator manufactured by NS (National Semiconductor). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 4.8V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at 150mA)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.05%/mA (typical)  
- **Quiescent Current:** 75µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
The LP3985IBLX-4.8 is a high-performance LDO regulator designed for battery-powered applications. It provides a stable 4.8V output with low noise and high PSRR (Power Supply Rejection Ratio).  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation with minimal headroom.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **High PSRR:** 60dB at 1kHz (typical) for noise-sensitive circuits.  
- **Thermal & Overcurrent Protection:** Safeguards against overheating and excessive current.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥1µF).  
- **Fast Transient Response:** Suitable for dynamic load conditions.  

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

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