1 A Three-Terminal Positive Voltage Regulator The TA78033AF is a voltage regulator IC manufactured by Toshiba.  

### **Specifications:**  
- **Input Voltage Range:** 10V to 35V  
- **Output Voltage:** 5V (fixed)  
- **Output Current:** Up to 3A  
- **Dropout Voltage:** 2V (typical)  
- **Line Regulation:** 0.01%/V (typical)  
- **Load Regulation:** 0.1% (typical)  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package Type:** TO-220 (5-pin)  

### **Descriptions:**  
The TA78033AF is a high-current, low-dropout (LDO) positive voltage regulator designed for stable 5V output. It includes built-in overcurrent protection, thermal shutdown, and short-circuit protection.  

### **Features:**  
- **High Output Current:** Supports up to 3A  
- **Low Dropout Voltage:** Ensures efficient operation even with low input-output differential  
- **Built-in Protections:** Overcurrent, thermal shutdown, and short-circuit protection  
- **Stable Output:** Low ripple and high line/load regulation  
- **Wide Input Voltage Range:** Suitable for various power supply applications  

This regulator is commonly used in power supply circuits for industrial, automotive, and consumer electronics.

1 A Three-Terminal Positive Voltage Regulator

1 A Three-Terminal Positive Voltage Regulator The TA78033AF is a voltage regulator IC manufactured by Toshiba. Below are the factual specifications, descriptions, and features from the available knowledge base:  

### **Specifications:**  
- **Manufacturer:** Toshiba  
- **Type:** Positive Voltage Regulator  
- **Output Voltage:** 3.3V (Fixed)  
- **Output Current:** 1A (Maximum)  
- **Input Voltage Range:** Up to 18V  
- **Dropout Voltage:** ~1V (Typical)  
- **Package:** TO-220F (5-Lead)  
- **Operating Temperature Range:** -30°C to +85°C  

### **Descriptions:**  
- The TA78033AF is a fixed 3.3V output linear voltage regulator designed for stable power supply applications.  
- It includes built-in overcurrent protection and thermal shutdown features to ensure safe operation.  
- Suitable for use in consumer electronics, industrial equipment, and automotive applications.  

### **Features:**  
- **Fixed 3.3V Output:** Ensures stable voltage regulation.  
- **High Current Capability:** Supports up to 1A output current.  
- **Thermal Protection:** Built-in thermal shutdown prevents overheating.  
- **Overcurrent Protection:** Safeguards against excessive current draw.  
- **Low Dropout Voltage:** Efficient operation with minimal voltage loss.  

For detailed electrical characteristics and application notes, refer to the official Toshiba datasheet.

1 A Three-Terminal Positive Voltage Regulator