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LD2981CM33TR from ST,ST Microelectronics

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LD2981CM33TR

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
LD2981CM33TR ST 3234 In Stock

Description and Introduction

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT LOW ESR OUTPUT CAPACITORS COMPATIBLE The LD2981CM33TR is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** Up to 16V  
- **Dropout Voltage:** 300mV (typical at 150mA load)  
- **Output Current:** 150mA  
- **Quiescent Current:** 1.5µA (typical in OFF mode), 25µA (typical in ON mode)  
- **Line Regulation:** 0.015%/V (typical)  
- **Load Regulation:** 0.3mV/mA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The LD2981CM33TR is a low-quiescent-current LDO regulator designed for battery-powered applications.  
- It features very low dropout voltage and ultra-low quiescent current, making it suitable for power-sensitive devices.  
- The device includes thermal shutdown and current limit protection for enhanced reliability.  

### **Features:**
- **Ultra-Low Quiescent Current:** Optimized for battery-powered applications.  
- **Low Dropout Voltage:** Ensures efficient operation even with low input voltages.  
- **Enable Pin (EN):** Allows the regulator to be turned on/off, reducing power consumption when inactive.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Short-Circuit Protection:** Safeguards against output short circuits.  
- **Stable with Low-ESR Capacitors:** Works with ceramic capacitors (≥1µF).  

This information is sourced from the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to STMicroelectronics' official documentation.

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