onsemi

NCP583XV15T2G

NCP583XV15T2G Description

The NCP583XV15T2G from onsemi is a fixed-output, low-dropout (LDO) linear voltage regulator designed to deliver a stable 1.5V output at up to 150mA of continuous current. With a wide input voltage range of up to 6V, this regulator is optimized for low-power applications requiring high efficiency and minimal quiescent current (1.5 µA typical). Its compact SOT-563 package and surface-mount design make it ideal for space-constrained PCB layouts. Although marked as obsolete, it remains a reliable choice for legacy designs due to its robust performance and over-current protection features.

NCP583XV15T2G Features

• Fixed 1.5V Output: Ensures stable voltage regulation for precision low-voltage circuits.
• Low Dropout Voltage: 0.75V (max) @ 150mA enables operation with minimal headroom, enhancing efficiency.
• Ultra-Low Quiescent Current: 1.5 µA Iq minimizes power loss in battery-operated devices.
• Enable Control: Allows for power management via an external enable pin, reducing standby consumption.
• Over-Current Protection: Safeguards connected components from damage due to excessive load.
• MSL 1 (Unlimited): Suitable for extended storage and handling without moisture sensitivity concerns.
• REACH Unaffected: Compliant with environmental regulations, ensuring broader market applicability.

NCP583XV15T2G Applications

This LDO regulator excels in applications demanding low noise, compact size, and energy efficiency, such as:

• Portable Electronics: Wearables, IoT sensors, and handheld devices benefit from its low Iq and small footprint.
• Battery-Powered Systems: Extends battery life in medical devices, wireless modules, and backup power circuits.
• Embedded Systems: Provides reliable voltage regulation for microcontrollers, FPGAs, and memory modules.
• Industrial Controls: Suitable for low-voltage logic supplies in automation and instrumentation.

Conclusion of NCP583XV15T2G

The NCP583XV15T2G is a high-performance LDO regulator offering precision voltage regulation, low dropout, and ultra-low power consumption. While obsolete, its combination of enable control, protection features, and compact packaging makes it a viable solution for legacy or low-power designs. Ideal for portable, battery-operated, and space-sensitive applications, it balances efficiency with reliability in demanding environments. Engineers should evaluate alternative onsemi LDOs for new designs but can leverage this regulator for proven performance in existing systems.