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TPS79433DGNT from TI,Texas Instruments

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TPS79433DGNT

Manufacturer: TI

Ultra-Low Noise, High PSRR, Fast RF, High Enable, 250-mA Low Dropout Regulator

Partnumber Manufacturer Quantity Availability
TPS79433DGNT TI 470 In Stock

Description and Introduction

Ultra-Low Noise, High PSRR, Fast RF, High Enable, 250-mA Low Dropout Regulator The TPS79433DGNT is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Manufacturer:** Texas Instruments (TI)  
### **Part Number:** TPS79433DGNT  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 110mV (typical) at 500mA  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Accuracy:** ±2% over line, load, and temperature  
- **Quiescent Current:** 85µA (typical)  
- **PSRR (Power Supply Rejection Ratio):** 60dB at 1kHz  
- **Thermal Shutdown:** Yes  
- **Operating Junction Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin MSOP (DGNT)  

### **Descriptions:**  
The TPS79433DGNT is a high-performance, low-noise, low-dropout linear regulator designed for applications requiring precise voltage regulation with minimal power dissipation. It features excellent line and load transient response, making it suitable for power-sensitive applications such as portable devices, RF circuits, and noise-sensitive analog systems.  

### **Features:**  
- **Low Noise:** 30µVRMS (10Hz to 100kHz)  
- **Low Dropout Voltage:** 110mV at 500mA  
- **High PSRR:** 60dB at 1kHz  
- **Fast Transient Response**  
- **Thermal and Overcurrent Protection**  
- **Enable Pin for Power Management**  
- **Stable with Low-ESR Ceramic Capacitors (≥1µF)**  

This information is strictly factual and sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Ultra-Low Noise, High PSRR, Fast RF, High Enable, 250-mA Low Dropout Regulator

Alternative Part Number

  • LP2985AIM5-3.3 --: Low-dropout 3.3V linear regulator in SOT-23-5 with similar 150mA output and low noise, pin-compatible in function though different package.
  • MIC5205-3.3YM5 --: 150mA LDO regulator with 3.3V fixed output, low dropout and low quiescent current, suitable functional replacement in SOT-23-5.
  • AP2112K-3.3TRG1 --: 600mA CMOS LDO with 3.3V output and low dropout, widely available and commonly used as a drop-in functional substitute for 3.3V LDOs.

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