Up0104s Datasheet Today
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Due to its reliability and high current output, the Up0104s is used in several demanding environments:
Monitors output performance via an external resistor divider loop if an adjustable configuration is utilized. Primary Industry Applications
If you are troubleshooting a failed chip, tell me it is on (motherboard, GPU, etc.) and what voltage readings you are getting on pins 3 and 6. I can help you confirm if the chip is shorted or trace the power issue. Share public link Up0104s Datasheet
| Parameter | Value/Description | |-----------|-------------------| | Input voltage (VCC) | 5V or 12V (typical application) | | Output voltage range | 0.6V to VCC – 2V | | Output current | Limited by external MOSFETs (up to ~15A per channel) | | Switching frequency | Adaptive on-time, varies with VIN/VOUT (typical 300–500 kHz) | | Number of channels | 2 (independent outputs) | | Synchronous rectification | Yes (built-in drivers for high-side & low-side MOSFETs) | | Protection features | UVLO, OCP (cycle-by-cycle), OVP, thermal shutdown | | Package | SOP-14 / TSSOP-14 (varies by suffix) |
Implementing the UP0104s is straightforward. To ensure stability, the datasheet typically recommends:
While originally part of the uPI Semiconductor Corp catalog, it is also associated with in distributor listings. You can typically find detailed PDF datasheets or technical support for pinouts and schematics through authorized distributors like Veswin. UP0104S UIMICRO Other Components - Veswin Electronics Always compare the full datasheet before substituting
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The is a high-performance low-dropout linear regulator (LDO) developed by uPI Semiconductor Corp to fulfill the stringent power management demands of modern electronics . This component provides stable, low-noise, and highly efficient positive voltage regulation in space-constrained layouts. Electronics engineers and hardware developers rely heavily on the uP0104S datasheet to analyze pin configurations, electrical safety limits, and circuit implementation rules required to prevent system failures. Core Technical Specifications
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The remaining pins manage ground (GND), enable (EN) triggers, and feedback loops to sample output variation and maintain stability under changing loads. Direct Equivalents and Cross-References
The UP0104S is a high-performance, low-dropout (LDO) linear regulator designed for efficient voltage regulation in compact, low-voltage electronic systems. It features robust protection mechanisms, including thermal overload and short-circuit protection, making it ideal for motherboard and portable device power applications. Further technical details can be found on the manufacturer's official datasheet.
: The uP0104P can often be substituted into the same footprint depending on system thermal configurations, but verification of the circuit board’s maximum operating current is recommended.
Engineers must adhere strictly to the absolute maximum ratings outlined in the datasheet to guarantee hardware longevity. Running the IC beyond these parameters can lead to immediate silicon degradation or permanent component breakdown.
Bootstrap pin; provides gate drive voltage for the high-side MOSFET. Main power supply input. SW Switch node connection to the inductor. GND Ground connection. FB Feedback input to regulate the output voltage. COMP Compensation pin for control loop stability. EN Enable pin; pull high to turn on the converter. SS
