Active-Semi ACT4065
The ACT4065 is a current-mode step-down DC-DC converter that generates up to 2A output current at 200kHz switching frequency. The device utilizes Active-Semi’s proprietary ISOBCD30 process for operation with input voltage up to 28V. The ACT4065 is available in SOP-8 package and requires very few external devices for operation.| Part No. | ACT4065 |
|---|---|
| Datasheet | ACT4065 Download |
| Manufacturer |  Active-Semi |
| Description | High Input 2A Step Down Converter |
| Buy | Stock & Price |
FEATURES
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● 2A Output Current Up to 95% Efficiency Up to 28V Input Range 8µA Shutdown Supply Current 200kHz 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 SOP-8 Package
GENERAL DESCRIPTION
Consuming only 8μA in shutdown mode, the ACT4065 is highly efficient with peak efficiency at 95% when in operation. Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency foldback at short circuit.APPLICATIONS
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● 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 5V/2A (<23V INPUT) 5V/1.7A (>23V INPUT) BS 8.5V to 28V IN SW 5V/1.7A ACT4065 ENABLE EN G FB COMP + Figure 1. Typical Application Circuit Active-Semi, Inc. -1- ACT4065 ORDERING INFORMATION...
