ST L4981AD

平均电流100kHz

Overview

Power Factor Correction (PFC) controllers operate in Transition Mode (TM) and Continuous Current Mode (CCM) for a wide-range-mains operation. The PFC controllers embed advanced protection features, which make SMPS more robust and compact, requiring fewer external components.

Features

Tube Package

Surface Mount Mounting Type

Applications

There are a lot of STMicroelectronics
L4981AD PFC PMICs applications.

• CPU power supply
• Switching regulator
• Multiple-power supply system
• Digital audio player
• Digital TV
• Smartcard
• Industrial equipment
• DVD and CD-ROM drive
• Quick charge protocols
• Measurement and control euipment