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STA533WF13TR from ST,ST Microelectronics

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STA533WF13TR

Manufacturer: ST, STM

18 V, 3 A quad power half-bridge

Partnumber Manufacturer Quantity Availability
STA533WF13TR ST, STM 10328 In Stock

Description and Introduction

18 V, 3 A quad power half-bridge The STA533WF13TR is a power amplifier IC manufactured by STMicroelectronics (STM). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics (STM)  

### **Part Number:**  
STA533WF13TR  

### **Category:**  
Power Amplifier IC  

### **Description:**  
The STA533WF13TR is a dual-channel, high-efficiency Class-D audio amplifier designed for high-power audio applications. It integrates PWM modulation and output power stages, making it suitable for home audio systems, professional audio equipment, and automotive sound systems.  

### **Key Features:**  
- **Output Power:** Up to 2 × 100W (depending on supply voltage and load impedance)  
- **Class-D Operation:** High efficiency with low power dissipation  
- **Supply Voltage Range:** ±12V to ±40V (split supply) or 24V to 80V (single supply)  
- **THD+N (Total Harmonic Distortion + Noise):** Low distortion for high-fidelity audio  
- **Standby Mode:** Low-power consumption when inactive  
- **Protection Features:**  
  - Overcurrent protection  
  - Thermal shutdown  
  - Undervoltage lockout (UVLO)  
- **Package:** PowerSO-36 (with exposed pad for thermal dissipation)  
- **Operating Temperature Range:** -40°C to +105°C  

### **Applications:**  
- Home theater systems  
- Professional audio amplifiers  
- Automotive audio systems  
- Active speakers  

This information is based on the manufacturer's datasheet and technical documentation. For detailed electrical characteristics and application circuits, refer to the official STMicroelectronics datasheet.

Application Scenarios & Design Considerations

18 V, 3 A quad power half-bridge

Alternative Part Number

  • TDA7266 --: Class-AB audio power amplifier in a comparable power range, widely available and pin-compatible in many audio applications, making it a practical drop-in candidate.
  • LM1875T --: Well-known audio power amplifier IC with similar output power and supply voltage range, from a different series and manufacturer for easy distinction.
  • TDA2030A --: Popular audio amplifier IC with comparable output capability and supply requirements, commonly used as a substitute in audio amplifier designs.
  • TDA7491P --: Similar Class-D audio power amplifier in the same power range, commonly used as a drop-in substitute in audio applications.
  • TPA3110D2 --: Class-D audio amplifier with comparable output power and supply voltage, suitable replacement with minor layout adjustments.
  • MAX9744 --: Class-D audio amplifier offering similar performance and power rating, usable alternative when pinout changes are acceptable.

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