Up0104s Datasheet Jun 2026

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

The motherboard showed no signs of life. The 3VSB was measured at a low 1.48V instead of the required 3.3V. The power supply's 5VSB was present. Up0104s Datasheet

Always compare gate drive capability, voltage range, and frequency. The is a high-performance, specialized Low Dropout (LDO)

Features internal over-current protection (OCP) and thermal shutdown protection. Always compare gate drive capability, voltage range, and