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LD2981ABU50TR from ST,ST Microelectronics

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LD2981ABU50TR

Manufacturer: ST

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT LOW ESR OUTPUT CAPACITORS COMPATIBLE

Partnumber Manufacturer Quantity Availability
LD2981ABU50TR ST 1000 In Stock

Description and Introduction

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT LOW ESR OUTPUT CAPACITORS COMPATIBLE The LD2981ABU50TR is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 5.0 V  
- **Output Current:** 150 mA  
- **Dropout Voltage:** 300 mV (typical at full load)  
- **Input Voltage Range:** Up to 16 V  
- **Quiescent Current:** 1.6 µA (typical in OFF mode)  
- **Line Regulation:** 0.05 %/V (typical)  
- **Load Regulation:** 0.4 mV/mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The LD2981ABU50TR is a low-quiescent-current LDO regulator designed for battery-powered applications.  
- It features very low dropout voltage and ultra-low ground current, making it suitable for power-sensitive devices.  
- Includes thermal shutdown and current limit protection.  

### **Features:**
- **Ultra-Low Quiescent Current:** Ideal for always-on applications.  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Wide Input Voltage Range:** Supports up to 16 V.  
- **Thermal Protection:** Prevents damage from overheating.  
- **Current Limiting:** Protects against short circuits.  
- **Enable Pin:** Allows the device to be turned on/off via an external logic signal.  

This regulator is commonly used in portable electronics, IoT devices, and automotive applications.

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