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LD2981ABM30TR from ST,ST Microelectronics

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LD2981ABM30TR

Manufacturer: ST

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT

Partnumber Manufacturer Quantity Availability
LD2981ABM30TR ST 6000 In Stock

Description and Introduction

VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT The LD2981ABM30TR is a low-dropout (LDO) voltage regulator manufactured by STMicroelectronics. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage:** 3.0V (fixed)  
- **Output Current:** 150mA  
- **Dropout Voltage:** 300mV typical at 150mA load  
- **Input Voltage Range:** Up to 16V  
- **Low Quiescent Current:** 40µA typical (1µA in OFF mode)  
- **Low Noise:** 30µVRMS (with bypass capacitor)  
- **Accuracy:** ±2% over line, load, and temperature  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SOT-23-5L  

### **Descriptions:**  
The LD2981ABM30TR is a CMOS LDO regulator designed for low-power applications requiring stable voltage with minimal dropout. It features very low quiescent current, making it suitable for battery-powered devices. The device includes thermal shutdown and current limit protection.  

### **Features:**  
- **Ultra-Low Dropout Voltage** (300mV at 150mA)  
- **Very Low Quiescent Current** (40µA typical)  
- **Low Noise Performance**  
- **Wide Input Voltage Range** (up to 16V)  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **No External Components Required** (except for input/output capacitors)  
- **Logic-Controlled Enable Pin** (shutdown mode reduces current to 1µA)  

This regulator is commonly used in portable electronics, IoT devices, and other applications requiring efficient power management.

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