The CJ78L05-G is a three-terminal positive voltage regulator manufactured by Jiangsu Changjiang Electronics Technology Co., Ltd. This device provides a fixed 5V output voltage, making it ideal for a wide range of applications requiring a stable and regulated power supply. The 'G' suffix typically indicates that the device is RoHS compliant and lead-free.

Applications

• Small Electronic Devices: Used in various small electronic devices such as toys, gadgets, and hobbyist projects.
• Microcontroller Power Supplies: Provides a stable 5V power supply for microcontrollers and their associated circuits.
• Logic Circuits: Powers digital logic circuits requiring a regulated 5V supply.
• Sensor Power Supplies: Provides a stable voltage source for sensors and transducers.
• Simple Power Supplies: Used in basic linear power supply circuits.

Features

• Fixed 5V Output: Provides a stable and regulated 5V output voltage.
• Low Quiescent Current: Draws minimal current when no load is applied.
• Short-Circuit Protection: Built-in short-circuit protection to prevent damage to the regulator and the connected circuit.
• Thermal Overload Protection: Protects the regulator from overheating due to excessive power dissipation.
• Output Transistor Safe-Area Protection: Ensures the output transistor operates within its safe operating area.

Benefits

• Stable Voltage: Provides a highly stable and regulated 5V output, ensuring consistent performance of connected devices.
• Ease of Use: Simple to use, requiring only a few external components for operation.
• Protection Features: Built-in protection features enhance the reliability and longevity of the regulator and the connected circuit.
• Cost-Effective: Offers a cost-effective solution for providing a regulated 5V power supply.
• Compact Size: Small form factor makes it suitable for applications where space is limited.

Technical Specifications

The CJ78L05-G provides a fixed output voltage of 5V with a typical output current of up to 100mA. It operates with an input voltage range of typically 7V to 20V. The operating temperature range is generally from 0°C to +125°C. The device is commonly available in a TO-92 package. It features built-in short-circuit and thermal overload protection, enhancing its durability and reliability. It also incorporates output transistor safe-area protection to prevent damage from excessive current or voltage.