Texas Instruments

UA7905CKCS

UA7905CKCS Description

The UA7905CKCS from Texas Instruments is a fixed-output, negative-voltage linear regulator designed to deliver a stable -5V output at up to 1.5A of continuous current. Housed in a TO-220-3 package, this through-hole-mount IC is optimized for applications requiring reliable power regulation with robust protection features. With a low dropout voltage of 1.1V (max) at 1A, it ensures efficient operation even under varying load conditions. The device operates across a wide temperature range (0°C to 125°C), making it suitable for industrial and automotive environments.

UA7905CKCS Features

• Fixed -5V Output: Ensures consistent voltage regulation for precision applications.
• High Current Capability: Supports up to 1.5A output current with over-current, over-temperature, and short-circuit protection.
• Excellent PSRR: 60dB at 120Hz minimizes noise for sensitive analog circuits.
• Low Dropout Voltage: 1.1V (max) at 1A enhances efficiency in low-input-voltage scenarios.
• Wide Operating Temperature Range: 0°C to 125°C ensures reliability in harsh conditions.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.

UA7905CKCS Applications

• Industrial Power Supplies: Ideal for negative rail voltage regulation in control systems and instrumentation.
• Automotive Electronics: Suitable for on-board power management due to its rugged design and wide temperature tolerance.
• Audio Equipment: High PSRR makes it perfect for low-noise analog power rails in amplifiers and mixers.
• Test & Measurement Devices: Provides stable voltage references for precision circuits.
• Legacy Systems: As a "Last Time Buy" product, it supports maintenance of older designs requiring -5V regulation.

Conclusion of UA7905CKCS

The UA7905CKCS stands out as a high-performance, negative-voltage regulator with robust protection and efficiency. Its 1.5A output, low dropout, and industrial-grade reliability make it a preferred choice for demanding applications. While it is in "Last Time Buy" status, it remains a critical component for sustaining legacy systems and specialized designs requiring a dependable -5V supply. Engineers seeking a proven, high-current negative regulator will find this device exceptionally well-suited for their needs.