Texas Instruments

UA78M05CDCYG3

UA78M05CDCYG3 Description

The UA78M05CDCYG3 from Texas Instruments is a fixed-output, positive-voltage linear regulator designed to deliver a stable 5V output with a maximum current of 500mA. It operates within a wide input voltage range of up to 25V, making it suitable for various power supply applications. The device features a low dropout voltage of 2V @ 350mA, ensuring efficient performance even with marginal input voltages. Encased in a SOT-223-4 surface-mount package, it is optimized for compact PCB designs while offering robust thermal and electrical characteristics.

UA78M05CDCYG3 Features

• High Precision: Fixed 5V output with tight voltage regulation for reliable power delivery.
• Wide Operating Range: Input voltage up to 25V and operating temperature range of 0°C to 125°C.
• Enhanced Protection: Integrated over-current, over-temperature, and short-circuit protection for increased system reliability.
• Low Noise Performance: 80dB PSRR (120Hz) ensures minimal output ripple in sensitive applications.
• RoHS3 & REACH Compliant: Meets environmental and safety standards for global use.
• Compact & Efficient: SOT-223-4 package with MSL 2 (1 Year) moisture sensitivity, ideal for automated assembly.

UA78M05CDCYG3 Applications

• Industrial Control Systems: Stable voltage supply for sensors, microcontrollers, and PLCs.
• Consumer Electronics: Power management in set-top boxes, routers, and small appliances.
• Automotive Electronics: Auxiliary power for infotainment and dashboard systems (within operating limits).
• Embedded Systems: Reliable 5V rail for low-power MCUs and peripheral circuits.
• Battery-Powered Devices: Efficient regulation in portable equipment with varying input voltages.

Conclusion of UA78M05CDCYG3

The UA78M05CDCYG3 stands out as a robust, high-performance linear regulator, combining wide input tolerance, low dropout, and comprehensive protection features. Its compact form factor and compliance with industry standards make it a versatile choice for both industrial and consumer applications. Engineers will appreciate its balance of efficiency, reliability, and ease of integration, particularly in space-constrained designs requiring stable 5V power. For projects demanding a proven, cost-effective regulator, this TI offering is a compelling solution.