L4981BD
- Mfr.Part #
- L4981BD
- Manufacturer
- STMicroelectronics
- Package / Case
- 20-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- IC PFC CTR AVER CURR 100KHZ 20SO
- Stock
- 14,825
- In Stock :
- 14,825
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- Manufacturer :
- STMicroelectronics
- Product Category :
- PFC (Power Factor Correction)
- Output Current :
- 1.5A
- REACH SVHC :
- No SVHC
- Voltage - Supply :
- 14.5V~19.5V
- Number of Terminations :
- 20
- Terminal Position :
- Dual
- Max Supply Current :
- 16mA
- Radiation Hardening :
- No
- Packaging :
- Tube
- Frequency - Switching :
- 100kHz
- Width :
- 7.6mm
- Power Dissipation :
- 600mW
- Peak Reflow Temperature (Cel) :
- 260
- Mode :
- Average Current
- RoHS Status :
- ROHS3 Compliant
- Analog IC - Other Type :
- POWER FACTOR CONTROLLER
- Number of Outputs :
- 1
- Frequency :
- 80kHz
- Switcher Configuration :
- Single
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Height :
- 2.35mm
- ECCN Code :
- EAR99
- Input Voltage-Nom :
- 18V
- Weight :
- 266.712314mg
- JESD-609 Code :
- e4
- Mount :
- Surface Mount
- Number of Pins :
- 20
- Pin Count :
- 20
- Mounting Type :
- Surface Mount
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Number of Functions :
- 1
- Control Technique :
- PULSE WIDTH MODULATION
- Package / Case :
- 20-SOIC (0.295, 7.50mm Width)
- Terminal Form :
- Gull wing
- Time@Peak Reflow Temperature-Max (s) :
- 30
- Operating Temperature :
- -40°C~125°C
- Output Voltage :
- 7.5V
- Factory Lead Time :
- 12 Weeks
- Base Part Number :
- L4981
- Length :
- 13mm
- Current - Startup :
- 100μA
- Lead Free :
- Lead Free
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Datasheets
- L4981BD

PFC STMicroelectronics L4981BD Overview
The L4981BD IC from STMicroelectronics stands as a key component in the realm of Power Factor Correction (PFC). Designed to enhance the efficiency of power supply systems, this IC operates with an average current mode at a frequency of up to 100kHz, enclosed in a 20SO package. The utilization of the PFC STMicroelectronics L4981BD ensures optimal power usage, contributing to energy conservation and cost efficiency for industrial applications. This product is crucial for businesses looking to optimize their power systems, reduce electrical waste, and achieve better environmental compliance.
L4981BD Features
The L4981BD IC excels with several features that make it an invaluable asset for power management systems. Primarily, its capability to operate at high frequencies up to 100kHz allows for improved power factor correction in both consumer and industrial products. The device's average current mode control offers precise power regulation, critical for maintaining stability and efficiency in power supplies. Additionally, its compact 20SO packaging makes it ideal for applications where space is at a premium.
L4981BD Applications
- Server Power Supplies: In server farms, the L4981BD improves energy efficiency and reduces operational costs by optimizing power factor, thereby decreasing the overall power consumption.
- Telecom Rectifiers: This IC helps in maintaining stable and efficient power supply in telecommunications infrastructure, crucial for minimizing energy loss and enhancing system reliability.
- Consumer Electronics: Utilized in devices such as televisions and gaming consoles, the L4981BD ensures that these devices use power more efficiently, contributing to lower electricity bills and reduced environmental impact.
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