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LP3985IBP-2.8 from NSC,National Semiconductor

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LP3985IBP-2.8

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
LP3985IBP-2.8,LP3985IBP28 NSC 5 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IBP-2.8 is a low-dropout (LDO) voltage regulator manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Voltage:** 2.8V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV (typical at 150mA load)  
- **Input Voltage Range:** 2.5V to 6V  
- **Quiescent Current:** 75µA (typical)  
- **Line Regulation:** 0.05% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions and Features:**  
- **Ultra-Low Dropout:** Ensures stable output even with small input-output differentials.  
- **Low Quiescent Current:** Ideal for battery-powered applications.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥1µF).  
- **Thermal Shutdown & Current Limit Protection:** Protects against overheating and overcurrent.  
- **Fast Transient Response:** Suitable for noise-sensitive applications.  
- **High PSRR (Power Supply Rejection Ratio):** Reduces input noise for clean output voltage.  

This regulator is commonly used in portable electronics, wireless devices, and embedded systems requiring stable power.

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