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TPS73733DCQR from TI,Texas Instruments

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TPS73733DCQR

Manufacturer: TI, TI/BB

Single Output LDO, 1A, Adj. (1.2 to 5.0V), Reverse Current Protection 6-SOT-223 -40 to 125

Partnumber Manufacturer Quantity Availability
TPS73733DCQR TI, TI/BB 10030 In Stock

Description and Introduction

Single Output LDO, 1A, Adj. (1.2 to 5.0V), Reverse Current Protection 6-SOT-223 -40 to 125 The TPS73733DCQR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI)/Burr-Brown (BB). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** 500mA  
- **Dropout Voltage:** 110mV (typical) at 100mA load  
- **Input Voltage Range:** 2.7V to 10V  
- **Quiescent Current:** 85µA (typical)  
- **Line Regulation:** 0.02% (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Operating Junction Temperature:** -40°C to +125°C  
- **Package:** 6-pin SOT-223 (DCQ)  

### **Descriptions:**  
The TPS73733DCQR is a high-performance LDO regulator designed for low-power applications. It provides a stable 3.3V output with low noise, high PSRR (Power Supply Rejection Ratio), and fast transient response. It includes features like thermal shutdown and current limit protection.  

### **Features:**  
- **Low Dropout Voltage:** Ensures efficient operation even with small input-output differentials.  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **High PSRR:** 75dB at 1kHz (typical).  
- **Thermal Shutdown & Current Limit Protection:** Safeguards against overheating and overcurrent.  
- **Stable with Small Ceramic Capacitors:** Requires only a 1µF output capacitor.  
- **Fast Transient Response:** Suitable for dynamic load conditions.  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Single Output LDO, 1A, Adj. (1.2 to 5.0V), Reverse Current Protection 6-SOT-223 -40 to 125

Alternative Part Number

  • LP38693SD-3.3/NOPB --: Low-dropout 3.3V linear regulator in a similar SOT-223 style package with comparable current capability, pin-compatible enough for many designs.
  • MIC5219-3.3YM5-TR --: 3.3V LDO regulator with similar dropout and current rating, available in small packages, suitable as a functional replacement.
  • AP2112K-3.3TRG1 --: Popular 3.3V LDO with low dropout and good availability, commonly used as a drop-in alternative for TI 3.3V regulators.

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