STMicroelectronics

L7905CP

L7905CP Description

The L7905CP is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer in the power management integrated circuit (PMIC) industry. This regulator is part of the L7905 series and offers a fixed output voltage of -5V with a maximum output current of 1.5A. The L7905CP is housed in a TO220FP package, making it suitable for through-hole mounting, which is ideal for applications requiring robust mechanical stability and ease of integration into printed circuit boards.

L7905CP Features

• Output Type: Fixed, ensuring a stable -5V output voltage.
• Output Current: Capable of delivering up to 1.5A, making it suitable for applications requiring moderate to high current loads.
• Number of Regulators: Single regulator design simplifies circuit design and reduces complexity.
• Output Configuration: Negative output voltage, ideal for applications requiring a negative voltage supply.
• Voltage Dropout: A maximum dropout voltage of 1.4V at 1A (typical) ensures efficient operation even at lower input voltages.
• Operating Temperature: Wide temperature range from 0°C to 125°C, suitable for both commercial and industrial applications.
• Quiescent Current: Low quiescent current of 3 mA minimizes power consumption during standby or low-load conditions.
• PSRR: High power supply rejection ratio of 60dB at 120Hz ensures excellent noise filtering and stable output voltage.
• Protection Features: Over-temperature and short-circuit protection enhance reliability and protect the regulator from damage under adverse conditions.
• Compliance: REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory adherence.
• Moisture Sensitivity Level: MSL 1 (unlimited), making it suitable for storage and handling in various environmental conditions.

L7905CP Applications

The L7905CP is ideal for a wide range of applications where a stable -5V supply is required. Its robust design and high current capability make it suitable for:

• Power Supplies: Ideal for laboratory and industrial power supplies requiring a stable negative voltage.
• Telecommunications: Used in telecommunication equipment where a reliable -5V supply is essential for signal processing and control circuits.
• Consumer Electronics: Suitable for consumer devices such as audio amplifiers and other equipment requiring a negative voltage rail.
• Industrial Control Systems: Provides a stable power source for sensors, actuators, and control systems in industrial environments.
• Medical Equipment: Ensures reliable power supply for medical devices that require precise voltage regulation and low noise.

Conclusion of L7905CP

The L7905CP from STMicroelectronics is a versatile and reliable linear regulator designed to meet the demands of various applications requiring a stable -5V supply. Its high output current capability, low dropout voltage, and robust protection features make it an excellent choice for both commercial and industrial applications. The L7905CP's compliance with environmental regulations and its wide operating temperature range further enhance its suitability for diverse environments. Whether used in power supplies, telecommunications, consumer electronics, industrial control systems, or medical equipment, the L7905CP offers a reliable and efficient power management solution.