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LP3985IM5-3.3 from NS,NS,National Semiconductor

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LP3985IM5-3.3

Manufacturer: NS,NS

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

Partnumber Manufacturer Quantity Availability
LP3985IM5-3.3,LP3985IM533 NS,NS 130 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator The LP3985IM5-3.3 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 150mV (typical) at 100mA load  
- **Input Voltage Range:** 2.5V to 6V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5 (IM5)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 0.1% (typical)  
- **PSRR (Power Supply Rejection Ratio):** 70dB at 1kHz  
- **Protection Features:** Overcurrent and thermal shutdown  

### **Descriptions and Features:**  
- Ultra-low dropout voltage for extended battery life in portable applications.  
- Stable with low-ESR ceramic capacitors (≥1µF).  
- Low noise and high PSRR for sensitive analog and RF applications.  
- Fast transient response for dynamic load conditions.  
- Thermal shutdown and current limit protection.  
- Small SOT-23-5 package for space-constrained designs.  

This LDO is commonly used in battery-powered devices, portable electronics, and noise-sensitive applications.

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