The L78S series of positive voltage regulators are three-terminal devices designed to provide stable output voltages ranging from 5V to 24V with output currents up to 2A. Suitable for local on-card regulation, these regulators feature internal current limiting, thermal shut-down, and safe area protection. Available in TO-220 packages, they are ideal for applications requiring reliable voltage regulation, including power supplies, industrial equipment, and embedded systems. Proper heat sinking allows delivery of over 2A, ensuring versatile usage in demanding environments.
Thermal protection, short circuit protection, safe area protection
Designed for fixed or adjustable output voltages with external components
Maximum junction temperature: 150°C
Power dissipation: internally limited, requires heat sinking for 2A
Storage temperature range: -65°C to +150°C
Operating input voltage: at least 2V above output voltage
Line regulation: typically 65-170 mV depending on model
Load regulation: typically 100-150 mV
Quiescent current: approximately 8 mA
Output noise: between 40 to 110 μV (varies by model)
Supply voltage rejection: 47-54 dB
Ro: Output resistance around 16-28 mΩ at 1 kHz
Buy the Buy STMicroelectronics L78S Series Voltage Regulator Part Number L78S05CV Online
Enhance your power management system with the high-reliability voltage regulator series designed for demanding applications. The L78S series provides fixed output voltages from 5V to 24V, supporting load currents up to 2A. Its advanced internal protections, thermal shutdown, and safe area protection ensure durability and safety in industrial, embedded, and power supply applications. Easy to incorporate with external components for adjustable voltages, this series guarantees stable operation, efficient heat dissipation, and robust performance, making it your ideal choice for reliable voltage regulation.
Buy STMicroelectronics L78S05CV now and experience unmatched reliability and performance with versatile fixed voltage regulation up to 2A.
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