ACT4072数据手册Qorvo中文资料规格书

描述 Description

GENERAL DESCRIPTION
The ACT4072 is a current-mode step-down DC/DC converter that generates up to 2A output current at 420kHz switching frequency. The device utilizes Active-Semi’s proprietary ISOBCD30 process for
operation with input voltage up to 30V. FEATURES
• 2A Output Current
• Up to 95% Efficiency
• Up to 30V Input Range
• 6µA Shutdown Supply Current
• 420kHz Switching Frequency
• Adjustable Output Voltage
• Cycle-by-Cycle Current Limit Protection
• Thermal Shutdown Protection
• Frequency Fold-Back at Short Circuit
• Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors
• SOP-8 Package

APPLICATIONS
• TFT LCD Monitors or Televisions and HDTV
• Portable DVD Players
• Car-Powered or Battery-Powered Equipment
• Set-Top Boxes
• Telecom Power Supplies
• DSL and Cable Modems and Routers

特性 Features

• 2A Output Current
• Up to 95% Efficiency
• Up to 30V Input Range
• 6µA Shutdown Supply Current
• 420kHz Switching Frequency
• Adjustable Output Voltage
• Cycle-by-Cycle Current Limit Protection
• Thermal Shutdown Protection
• Frequency Fold-Back at Short Circuit
• Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors
• SOP-8 Package