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Zakładka z wyszukiwarką danych komponentów |
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ACT4072 Arkusz danych(PDF) 1 Page - Active-Semi, Inc |
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ACT4072 Arkusz danych(HTML) 1 Page - Active-Semi, Inc |
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1 / 10 page  Innovative Power TM - 1 - www.active-semi.com Copyright © 2008 Active-Semi, Inc. TYPICAL APPLICATION CIRCUIT ACT4072 Rev2, 27-May-08 Wide Input 2A Step Down Converter ACT4072 BS IN EN COMP FB SW G VIN ENABLE Up to 30V + VOUT 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 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. Consuming only 6µA in shutdown mode, the ACT4072 is highly efficient with peak efficiency at 95% when in operation. Protection features include cycle-by-cycle current limit, thermal shutdown, and frequency fold-back at short circuit. The ACT4072 is available in SOP-8 package and requires very few external devices for operation. Active-Semi |
Podobny numer części - ACT4072 |
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Podobny opis - ACT4072 |
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