Up0104s Datasheet Jun 2026

: Power management, voltage regulation, and signal stability for network interfaces and protocol converters.

Ultra-Low Dropout (LDO) Linear Regulator Controller Package Form: SOP-8 (Surface Mount Plastic Package) Maximum Continuous Current: 2.4 A (Up to 3A peak capacity) Operating Temperature Range: -40°C to +105°C Up0104s Datasheet

The UP0104S is purpose-built for generating low-voltage power rails in various PC components. It is found in: : Power management, voltage regulation, and signal stability

The is a high-performance, specialized Low Dropout (LDO) linear voltage regulator manufactured by uPI Semiconductor Corp (and alternatively produced by UIMICRO ). Designed primarily for space-constrained computing applications, motherboard power management systems, and graphics cards like the MSI GTX 650, this integrated circuit (IC) steps down input voltages with exceptional line and load regulation. Because official standalone documentation can be hard to source on public portals like ALLDATASHEET , this comprehensive technical deep-dive serves as an engineering reference guide, synthesizing vital electrical specifications, pin configurations, layout guidelines, and replacement strategies. Core Technical Specifications : When designing your PCB layout, optimize for

: When a UP0104S fails (often showing very low resistance, such as ~2 Ohms), it can sometimes be replaced by similar linear regulators in the same family, provided the pinout and thermal pad requirements match your specific PCB layout.

: When designing your PCB layout, optimize for thermal dissipation to ensure the chip remains within its rated operating temperature.