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LP3985IM5-3.3/NOPB from NS,National Semiconductor

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15.625ms

LP3985IM5-3.3/NOPB

Manufacturer: NS

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator 5-SOT-23 -40 to 125

Partnumber Manufacturer Quantity Availability
LP3985IM5-3.3/NOPB,LP3985IM533NOPB NS 577 In Stock

Description and Introduction

Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator 5-SOT-23 -40 to 125 The LP3985IM5-3.3/NOPB is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (NS).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 130mV (typical) at 150mA load  
- **Input Voltage Range:** 2.5V to 6V  
- **Quiescent Current:** 75µA (typical)  
- **Package:** SOT-23-5  
- **Operating Temperature Range:** -40°C to +125°C  
- **Load Regulation:** 0.05% (typical)  
- **Line Regulation:** 0.02%/V (typical)  
- **PSRR (Power Supply Rejection Ratio):** 70dB at 1kHz  
- **Enable Control:** Yes (active high)  
- **Protection Features:** Overcurrent and thermal shutdown  

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

This regulator is commonly used in mobile devices, wireless communication, and embedded systems requiring stable voltage regulation.

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