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TPS73733QDRBRQ1 from TI,Texas Instruments

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TPS73733QDRBRQ1

Manufacturer: TI, TEXAS

Automotive Single Output LDO, 1A, Reverse Current Protection 8-SON -40 to 125

Partnumber Manufacturer Quantity Availability
TPS73733QDRBRQ1 TI, TEXAS 297 In Stock

Description and Introduction

Automotive Single Output LDO, 1A, Reverse Current Protection 8-SON -40 to 125 The TPS73733QDRBRQ1 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Input Voltage Range:** 2.7V to 6.5V  
- **Output Current:** 500mA  
- **Dropout Voltage:** 110mV (typical) at 100mA load  
- **Accuracy:** ±2% (over line, load, and temperature)  
- **Quiescent Current:** 75µA (typical)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** SON-8 (2mm × 2mm)  

### **Descriptions:**  
- The TPS73733QDRBRQ1 is an automotive-qualified LDO regulator designed for high-performance applications.  
- It provides a stable 3.3V output with low noise and high PSRR (Power Supply Rejection Ratio).  
- Features thermal shutdown and overcurrent protection for reliability.  

### **Features:**  
- **Low Dropout:** Optimized for battery-powered applications.  
- **Low Noise:** Bypass capacitor reduces output noise.  
- **High PSRR:** 70dB at 1kHz (typical).  
- **Fast Transient Response:** Suitable for dynamic loads.  
- **AEC-Q100 Qualified:** Meets automotive reliability standards.  
- **Enable Pin:** Allows power-saving mode when disabled.  
- **Stable with Ceramic Capacitors:** No need for additional ESR.  

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

Application Scenarios & Design Considerations

Automotive Single Output LDO, 1A, Reverse Current Protection 8-SON -40 to 125

Alternative Part Number

  • LP38693QSD-3.3/NOPB --: Automotive-qualified 3.3V LDO in a similar small package with comparable current capability and low dropout, suitable as a functional drop-in replacement.
  • MIC29302WU-TR --: 3.3V-capable low-dropout regulator with higher current rating and adjustable output, offering margin and availability as an alternative regulator solution.
  • AP7361C-33E-13 --: Fixed 3.3V LDO with low dropout and good availability in a compact package, providing a cost-effective alternative for similar rail regulation needs.
  • MIC29302AWD --: Adjustable/3.3V-capable high-current LDO regulator from a different manufacturer and series, suitable as a functional substitute.
  • LT1963AEQ-3.3#PBF --: Low-noise 3.3V LDO with comparable dropout and current rating, different vendor and part series for clear differentiation.

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