The ZR78L04GTA is a three-terminal positive voltage regulator manufactured by Zetex Semiconductors (now part of Diodes Incorporated). It is designed to provide a fixed output voltage of 4V with a maximum output current of 100mA. This regulator is commonly used in various electronic circuits for providing a stable and regulated power supply.

Applications:

• Battery-powered devices
• Microcontroller power supplies
• Logic circuits power supplies
• Portable electronic equipment
• General-purpose voltage regulation

Features:

• Fixed output voltage: 4V
• Output current: Up to 100mA
• Internal short-circuit current limiting
• Thermal overload protection
• No external components required
• Small outline transistor (SOT-23) package

Benefits:

• Provides a stable and regulated 4V power supply
• Protects the regulator from damage due to short circuits or excessive current draw
• Protects the regulator from overheating
• Simplifies circuit design with no external components needed
• Saves board space with the small SOT-23 package

Technical Specifications:

• Output Voltage: 4V (Fixed)
• Input Voltage Range: 6V to 20V (Typically)
• Output Current: 100mA (Maximum)
• Operating Temperature Range: -40°C to +125°C
• Line Regulation: Typically 30mV (Consult datasheet for precise value)
• Load Regulation: Typically 50mV (Consult datasheet for precise value)
• Package: SOT-23

The ZR78L04GTA is a simple and reliable voltage regulator suitable for a wide range of low-current applications. Its built-in protection features and ease of use make it a popular choice for providing a stable 4V supply in various electronic devices. Always refer to the manufacturer's datasheet for detailed specifications and application guidelines before use.