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STMICROELECTRONICS L4981AD013TR Power Factor Corrector
The power factor corrector L4981A, designed with advanced BCD technology, achieves a high power factor of up to 0.99. Featuring control boost PWM with adjustable line current distortion below 5%, it supports universal mains input from 85V to 265V. This compact device offers precise voltage regulation, soft start, and overvoltage/overcurrent protections, ensuring efficient, reliable operation for high-efficiency power supplies. Suitable for systems requiring sinusoidal line current consumption, it includes an error amplifier, undervoltage lockout, and flexible frequency modes for optimized performance in industrial and electronic applications.
STMICROELECTRONICS L4981AD013TR Power Factor Corrector Specifications:
- Control boost PWM with up to 0.99 power factor
- Line current distortion < 5%
- Universal mains input: 85V to 265V
- Peak current (Ipk): 2 A (gate driver)
- Supply voltage: 19.5 V maximum
- Operating temperature: -40°C to 125°C
- Power dissipation: DIP20 (1 W), SO20 (0.6 W)
- Overvoltage and overcurrent protection with programmable thresholds
- Soft start with external capacitor, typical charge current 0.55 mA
- Error amplifier with 70-100 dB open loop gain
- Neutral frequency modes: fixed or modulated at 80-92 kHz
- Synchronization input/output for system coordination
- Typical efficiency: 92-94% across voltage ranges
- Package options: DIP20 and SO20
- Maximum junction temperature: 150°C
- Thermal resistance junction-ambient: DIP20 (80°C/W), SO20 (120°C/W)
Buy the Buy STMicroelectronics Power Factor Corrector Part Number L4981AD013TR Online
Enhance your power supply with the STMicroelectronics L4981 power factor corrector, supporting universal input and achieving up to 0.99 power factor. Its advanced PWM control minimizes line current distortion below 5%, ensuring high efficiency and compliance with regulatory standards. The device features soft start, overvoltage and overcurrent protections, and flexible frequency modes optimized for sinusoidal current consumption. Suitable for industrial, lighting, and electronic systems, this compact component guarantees reliable, low-noise operation, boosting system performance and energy savings in professional applications.
Get STMicroelectronics L4981AD013TR today—built for high efficiency, precise regulation, and reliable power factor correction in industrial applications.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS L4981AD013TR?
You can click on the BUY or RFQ button to purchase L4981AD013TR from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part L4981AD013TR?
You can download the L4981AD013TR datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of L4981AD013TR?
STMICROELECTRONICS