onsemi

MC78LC28NTRG

MC78LC28NTRG Description

The MC78LC28NTRG from onsemi is a low-dropout (LDO) linear voltage regulator designed for precision power management in space-constrained applications. This fixed 2.8V output regulator delivers up to 80mA of continuous current with an ultra-low dropout voltage of 0.06V @ 1mA, making it ideal for battery-powered and low-voltage systems. Its 3.6 µA quiescent current ensures minimal power loss, enhancing efficiency in always-on applications. Packaged in a compact 5-pin TSOP and available in Tape & Reel (TR), it is optimized for automated surface-mount assembly.

MC78LC28NTRG Features

• Low Dropout Voltage: 0.06V @ 1mA maximizes efficiency in low-input-voltage scenarios.
• Ultra-Low Quiescent Current: 3.6 µA minimizes standby power consumption.
• Fixed 2.8V Output: Stable regulation for sensitive analog/digital loads.
• Wide Input Range: Supports up to 12V, accommodating diverse power sources.
• Compact 5-TSOP Package: Ideal for portable and space-constrained designs.
• RoHS3 & REACH Compliant: Meets environmental and safety standards.
• Obsolete Status: Suitable for legacy designs but not recommended for new developments.

MC78LC28NTRG Applications

• Battery-Powered Devices: Extends runtime in wearables, IoT sensors, and medical monitors.
• Portable Electronics: Provides stable voltage for handheld instruments and consumer gadgets.
• Low-Voltage Systems: Ensures reliable power for microcontrollers, RF modules, and memory circuits.
• Industrial Controls: Suitable for precision analog circuits requiring minimal noise.
• Legacy Equipment Maintenance: Replaces older regulators in existing designs.

Conclusion of MC78LC28NTRG

The MC78LC28NTRG excels in low-power, compact applications where efficiency and minimal dropout are critical. While marked as obsolete, its performance in legacy systems remains unmatched for 2.8V regulation. Engineers should evaluate alternatives for new designs but can rely on this regulator for proven low-quiescent-current performance in battery-sensitive and portable electronics.