Active-Semi ACT4065A
The ACT4065A is a current-mode step-down DC/DC converter that generates up to 2A output current at 210kHz switching frequency. The ACT4065A is highly efficient with peak efficiency at 95% when in operation. The ACT4065A is available in SOP-8 package and requires very few external devices for operation.FEATURES
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● 2A Output Current Up to 95% Efficiency 6.0V to 30V Input Range 210kHz Switching Frequency Adjustable Output Voltage Cycle-by-Cycle Current Limit Protection Thermal Shutdown Protection Frequency Foldback at Short Circuit Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors
GENERAL DESCRIPTION
Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency foldback at short circuit.● SOP-8 Package Note: ACT4065A is the drop-in replacement for ACT4065 with feedback resistance value change.
APPLICATIONS
● TFT LCD Monitors● Portable DVDs
● Car-Powered or Battery-Powered Equipments
● Set-Top Boxes
● Telecom Power Supplies
● DSL and Cable Modems and Routers
● Termination Supplies Efficiency vs. Load current ACT4065A-001 95 VIN = 12V 90 Efficiency (%) 85 VIN = 24V 80 75 VOUT = 5V 70 10 100 1000 10000 Load Current (mA) Innovative PowerTM -1- Copyright © 2012 Active-Semi, Inc. Free Datasheet ® ACT4065A Rev 0, 23-Apr-...