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TPS79518DCQR from TI,Texas Instruments

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TPS79518DCQR

Manufacturer: TI

Ultra-Low Noise, High PSRR, Fast RF, High-Enable, 500mA Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
TPS79518DCQR TI 3000 In Stock

Description and Introduction

Ultra-Low Noise, High PSRR, Fast RF, High-Enable, 500mA Low Dropout Regulator The TPS79518DCQR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Output Voltage:** 1.8V (Fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 110mV (Typical at 500mA)  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Accuracy:** ±2% (Over Line, Load, and Temperature)  
- **Quiescent Current:** 85µA (Typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 6-Pin SOT-223 (DCQ)  

### **Descriptions:**
- The TPS79518DCQR is a high-performance LDO regulator designed for applications requiring low noise, high PSRR (Power Supply Rejection Ratio), and fast transient response.  
- It features a low-dropout voltage, making it suitable for battery-powered devices.  
- Includes built-in protection features such as thermal shutdown and current limiting.  

### **Features:**
- **High PSRR:** 75dB at 1kHz  
- **Low Noise:** 30µVRMS (10Hz to 100kHz)  
- **Fast Transient Response**  
- **Thermal Shutdown & Current Limit Protection**  
- **Stable with Low-ESR Ceramic Capacitors (≥1µF)**  
- **Enable Pin for Power Management**  

This LDO is commonly used in portable electronics, medical devices, and precision analog circuits.

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