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LD3985G18R from ST,ST Microelectronics

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LD3985G18R

Manufacturer: ST

ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE

Partnumber Manufacturer Quantity Availability
LD3985G18R ST 6000 In Stock

Description and Introduction

ULTRA LOW DROP-LOW NOISE BICMOS VOLTAGE REGULATORS LOW ESR CAPACITORS COMPATIBLE The LD3985G18R is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 1.8V (fixed)  
- **Input Voltage Range:** 2.5V to 6.0V  
- **Dropout Voltage:** 200mV (typical at 150mA load)  
- **Output Current:** Up to 150mA  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Quiescent Current:** 50µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**  
- The LD3985G18R is a low-noise, low-dropout linear regulator designed for battery-powered applications.  
- It provides stable voltage regulation with minimal power dissipation.  
- Includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Noise:** Suitable for noise-sensitive applications like RF and audio circuits.  
- **Low Quiescent Current:** Extends battery life in portable devices.  
- **Fast Transient Response:** Maintains stable output under varying load conditions.  
- **Thermal Shutdown & Current Limit Protection:** Safeguards the device from overheating and overcurrent conditions.  

This information is based on the manufacturer's datasheet for the LD3985G18R.

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