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TPS7433D from TI,Texas Instruments

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TPS7433D

Manufacturer: TI

Internally Compensated Ultra-Fast Transient Response 200-mA Low-Voltage (LDO) Dropout

Partnumber Manufacturer Quantity Availability
TPS7433D TI 6 In Stock

Description and Introduction

Internally Compensated Ultra-Fast Transient Response 200-mA Low-Voltage (LDO) Dropout The TPS7433D is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 500mA  
- **Dropout Voltage:** 180mV (typical) at 500mA  
- **Input Voltage Range:** 2.2V to 6.5V  
- **Accuracy:** ±2% (over line, load, and temperature)  
- **Quiescent Current:** 85µA (typical)  
- **Package:** 8-Pin SOIC (D)  
- **Operating Temperature Range:** -40°C to +125°C  
- **PSRR (Power Supply Rejection Ratio):** 65dB at 1kHz  

### **Descriptions:**
The TPS7433D is a high-performance, low-dropout linear regulator designed for applications requiring a stable 3.3V supply with low noise and high efficiency. It features excellent line and load transient response, making it suitable for powering sensitive analog and digital circuits.  

### **Features:**
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **Fast Transient Response:** Maintains stable output under dynamic load conditions.  
- **Thermal Shutdown & Current Limit Protection:** Protects the device from overheating and overcurrent conditions.  
- **Enable Pin (EN):** Allows for power sequencing and shutdown mode to reduce power consumption.  
- **Stable with Ceramic Capacitors:** Requires only a small 2.2µF ceramic output capacitor for stability.  

This information is strictly based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Internally Compensated Ultra-Fast Transient Response 200-mA Low-Voltage (LDO) Dropout

Alternative Part Number

  • LP2985AIM5-3.3 --: Low-dropout 3.3V linear regulator in SOT-23-5 with similar output current and low noise, suitable drop-in for many TPS7433D applications.
  • MIC5205-3.3YM5 --: 3.3V LDO regulator with comparable dropout and current rating, widely used as a functional substitute in small packages.
  • AP2112K-3.3TRG1 --: 3.3V CMOS LDO with low quiescent current and stable output, offering similar electrical performance for replacement designs.

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