STCMB1
- Mfr.Part #
- STCMB1
- Manufacturer
- STMicroelectronics
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC PFC CTL TRANSITION 500KZ 20SO
- Stock
- 4,242
- In Stock :
- 4,242
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- Manufacturer :
- STMicroelectronics
- Product Category :
- PFC (Power Factor Correction)
- Mode :
- Discontinuous (Transition)
- Operating Temperature :
- -40°C~125°C TJ
- Packaging :
- Tube
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- RoHS Status :
- ROHS3 Compliant
- Factory Lead Time :
- 12 Weeks
- Voltage - Supply :
- 10V~20V
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Mounting Type :
- Surface Mount
- Frequency :
- 500kHz
- Base Part Number :
- STCMB1
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Datasheets
- STCMB1

PFC STMicroelectronics STCMB1 Overview
The STCMB1 by STMicroelectronics is a state-of-the-art Power Factor Correction (PFC) controller, designed for high-frequency transition mode operation up to 500 kHz. This IC is specifically engineered to enhance the efficiency of AC/DC power supplies, ensuring optimal power delivery while minimizing energy loss. The STCMB1 is crucial for developers looking to achieve robust, compliant power solutions in compact form factors. With its advanced control features, it significantly improves system reliability and performance in various demanding applications. The integration of this IC from STMicroelectronics helps in reducing electromagnetic interference, thereby ensuring compliance with global power efficiency standards and enhancing the operational sustainability of power systems.
STCMB1 Features
The STCMB1 includes several key features that make it an exceptional choice for PFC applications. Its capability to operate at a high switching frequency of up to 500 kHz allows for smaller peripheral components, reducing overall system size and cost. The IC also integrates multiple protection features, including under-voltage lockout, over-voltage protection, and thermal shutdown, which safeguard the system against potential damage from various fault conditions. Additionally, the STCMB1's built-in soft start function reduces inrush current, enhancing the longevity and stability of the power supply.
STCMB1 Applications
- AC/DC Adapters: Utilized in adapters for laptops and mobile devices, the STCMB1 ensures efficient power conversion, contributing to extended battery life and reduced energy consumption.
- LED Lighting Systems: In LED lighting, the IC helps in maintaining a stable power factor, thus enhancing the efficiency of light output and prolonging the life of lighting components.
- Telecommunication Equipment: The STCMB1 is critical in telecom power systems, where maintaining high efficiency and reliability is paramount for uninterrupted service.
- Flat Panel Televisions and Monitors: It supports the power systems within modern flat panel displays, improving energy efficiency and reducing heat generation in these devices.
- Server and Network Power Supplies: Ideal for server farms and networking equipment, this IC helps in optimizing power usage effectiveness, crucial in reducing operational costs in data centers.
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| Part | Manufacturer | Stock | Description |
|---|---|---|---|
| STCMB1TR | STMicroelectronics | 4,000 | IC PFC CTL TRANSITION 500KZ 20SO |
















