Texas Instruments

UA7905CKTER  

Linear & Switching Voltage Regulators

UA7905CKTER Description

The UA7905CKTER is a fixed negative linear voltage regulator designed by Texas Instruments. This IC offers a regulated output voltage of -5V with a maximum output current capability of 1.5A. It is housed in a Surface Mount package, specifically the 3POWERFLEX form factor, making it suitable for compact and space-constrained applications. Despite being marked as obsolete, the UA7905CKTER remains a reliable choice for applications requiring a stable negative voltage supply.

UA7905CKTER Features

• Output Type: Fixed negative voltage regulator.
• Output Current: Capable of delivering up to 1.5A, ensuring robust power supply for demanding applications.
• Single Regulator: Designed with a single regulator, simplifying circuit design and reducing component count.
• Voltage Dropout: A maximum dropout voltage of 1.1V at 1A, ensuring efficient operation even under high load conditions.
• Operating Temperature Range: Wide operating temperature range from 0°C to 125°C, making it suitable for industrial and automotive applications.
• Protection Features: Over-current, over-temperature, and short-circuit protection, enhancing reliability and preventing damage under adverse conditions.
• PSRR: 60dB at 120Hz, ensuring low noise and high stability in the regulated output.
• Compliance: REACH unaffected and ROHS3 compliant, ensuring environmental safety and regulatory compliance.
• Moisture Sensitivity Level: MSL 3 (168 hours), making it suitable for standard manufacturing processes without additional moisture protection.
• Packaging: Supplied in Tape & Reel (TR) packaging, facilitating automated assembly processes.

UA7905CKTER Applications

The UA7905CKTER is ideal for a variety of applications where a stable negative voltage supply is required. Some specific use cases include:

• Power Supplies: Ideal for negative voltage rails in power supplies for laboratory equipment, test benches, and industrial control systems.
• Telecommunications: Suitable for powering negative voltage circuits in telecommunication equipment, ensuring stable operation under varying load conditions.
• Automotive Electronics: Given its wide operating temperature range and robust protection features, it can be used in automotive applications where reliability and durability are paramount.
• Industrial Control Systems: Provides a reliable negative voltage supply for control systems, sensors, and actuators in industrial environments.
• Medical Equipment: Ensures stable power supply for medical devices requiring negative voltage rails, contributing to accurate and reliable performance.

Conclusion of UA7905CKTER

The UA7905CKTER from Texas Instruments is a versatile and reliable fixed negative linear voltage regulator. Its ability to deliver up to 1.5A with a dropout voltage of only 1.1V at 1A makes it an efficient choice for applications requiring a stable negative voltage supply. The inclusion of over-current, over-temperature, and short-circuit protection features enhances its reliability and durability. Despite being marked as obsolete, the UA7905CKTER remains a robust solution for a variety of industrial, automotive, and telecommunications applications. Its wide operating temperature range, compliance with environmental regulations, and availability in a Surface Mount package further solidify its position as a valuable component in the electronics industry.

UA7905CKTER Documents

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