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LD2981CM50TR from ST,ST Microelectronics

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LD2981CM50TR

Manufacturer: ST

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

Partnumber Manufacturer Quantity Availability
LD2981CM50TR ST 3000 In Stock

Description and Introduction

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT LOW ESR OUTPUT CAPACITORS COMPATIBLE The LD2981CM50TR is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Output Current:** 150mA (maximum)  
- **Dropout Voltage:** 300mV (typical) at 150mA load  
- **Input Voltage Range:** Up to 16V  
- **Quiescent Current:** 75µA (typical)  
- **Low Standby Current:** 0.1µA (typical) in OFF mode  
- **Line Regulation:** 0.02%/V (typical)  
- **Load Regulation:** 5mV (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5L  

### **Descriptions:**  
- The LD2981CM50TR is a low-dropout linear regulator designed for battery-powered applications.  
- It provides stable 5V output with very low quiescent current, making it suitable for power-sensitive devices.  
- It 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.  
- **Very Low Quiescent Current:** Ideal for battery-operated applications.  
- **Low Standby Current:** Minimizes power consumption when disabled.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Current Limiting:** Protects the regulator from excessive load conditions.  
- **Wide Input Voltage Range:** Supports up to 16V input.  
- **Stable with Low ESR Capacitors:** Works with ceramic capacitors (≥1µF).  

This information is sourced from STMicroelectronics' official datasheet for the LD2981CM50TR.

Partnumber Manufacturer Quantity Availability
LD2981CM50TR STM 10000 In Stock

Description and Introduction

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT LOW ESR OUTPUT CAPACITORS COMPATIBLE The LD2981CM50TR is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics (STM). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Output Current:** Up to 150mA  
- **Dropout Voltage:** 300mV (typical) at 150mA load  
- **Input Voltage Range:** 2.5V to 16V  
- **Low Quiescent Current:** 40µA (typical)  
- **Low Standby Current:** 0.1µA (typical)  
- **Accuracy:** ±2% over line, load, and temperature variations  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5L  

### **Descriptions:**  
- The LD2981CM50TR is a CMOS LDO regulator designed for battery-powered applications.  
- It provides stable voltage with low noise and low power consumption.  
- Includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**  
- **Very Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Quiescent Current:** Ideal for battery-operated devices.  
- **No External Components Required:** Internal compensation eliminates the need for external capacitors.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Current Limiting:** Protects the device from short circuits.  
- **Wide Input Voltage Range:** Suitable for various power supply configurations.  

This information is based on the manufacturer's datasheet. For detailed performance characteristics, refer to STMicroelectronics' official documentation.

Partnumber Manufacturer Quantity Availability
LD2981CM50TR ST,ST 10000 In Stock

Description and Introduction

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT LOW ESR OUTPUT CAPACITORS COMPATIBLE **Manufacturer:** STMicroelectronics (ST)  

**Part Number:** LD2981CM50TR  

### **Specifications:**  
- **Output Voltage:** 5.0V (fixed)  
- **Input Voltage Range:** 2.5V to 16V  
- **Output Current:** Up to 150mA  
- **Dropout Voltage:** 300mV (typical) at 100mA load  
- **Quiescent Current:** 25µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5L  
- **Low Noise:** 30µVRMS (typical)  
- **High PSRR:** 70dB at 1kHz  
- **Protections:**  
  - Thermal shutdown  
  - Current limit  

### **Descriptions:**  
The LD2981CM50TR is a low-dropout (LDO) voltage regulator designed for low-power applications. It provides a fixed 5.0V output with high accuracy and low quiescent current, making it suitable for battery-powered devices.  

### **Features:**  
- Ultra-low dropout voltage  
- Very low quiescent current  
- Stable with low-ESR ceramic capacitors  
- High power supply rejection ratio (PSRR)  
- Thermal shutdown and current limit protection  
- Automotive-grade options available (AEC-Q100 qualified)  

This device is ideal for portable electronics, sensors, and power-sensitive applications.

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