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TA7809AF from TOSHIBA

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TA7809AF

Manufacturer: TOSHIBA, TOSH

1 A Three-Terminal Positive Voltage Regulator

Partnumber Manufacturer Quantity Availability
TA7809AF TOSHIBA, TOSH 27855 In Stock

Description and Introduction

1 A Three-Terminal Positive Voltage Regulator The TA7809AF is a positive voltage regulator IC manufactured by Toshiba. Here are its specifications, descriptions, and features based on available data:  

### **Specifications:**  
- **Output Voltage:** +9V (fixed)  
- **Output Current:** Up to 1A  
- **Input Voltage Range:** Up to 35V (recommended to stay within safe operating limits)  
- **Dropout Voltage:** Typically 2V (at full load)  
- **Line Regulation:** 0.1% (typical)  
- **Load Regulation:** 0.3% (typical)  
- **Operating Temperature Range:** -30°C to +85°C  
- **Package Type:** TO-220 (5-pin)  

### **Descriptions:**  
- The TA7809AF is a 3-terminal fixed positive voltage regulator designed for stable +9V output.  
- It includes built-in overcurrent protection, thermal shutdown, and safe operating area (SOA) protection.  
- Suitable for power supply circuits in consumer electronics, industrial applications, and automotive systems.  

### **Features:**  
- **Fixed Output Voltage:** Provides a regulated +9V output.  
- **High Ripple Rejection:** Reduces noise in the output.  
- **Thermal Overload Protection:** Shuts down the device if overheating occurs.  
- **Short-Circuit Protection:** Safeguards against excessive current.  
- **Low Standby Current:** Improves efficiency in standby modes.  

For exact performance characteristics, refer to the official Toshiba datasheet.

Application Scenarios & Design Considerations

1 A Three-Terminal Positive Voltage Regulator

Alternative Part Number

  • L7809ACV --: Widely available 9V positive linear regulator in TO-220, functionally equivalent to the TA7809AF with similar dropout and current ratings.
  • MC7809CTG --: Standard 9V fixed linear regulator in TO-220, pin-compatible and electrically similar, suitable as a direct replacement.
  • LM7809CT --: Industry-standard 9V regulator in TO-220 with comparable specifications and broad availability as a fallback option.
  • L7809CV --: Widely available 9V positive linear regulator in TO-220, functionally equivalent to the TA7809AF with similar output current and voltage tolerance.

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