(China (Mainland))
Product Summary
The ACT4060SH is a current-mode step-down DC/DC converter that generates up to 2A of output current at 420kHz switching frequency. The device utilizes the proprietary ISOBCD20 process of Active-Semi for operation with input voltages up to 20V. The applications of the ACT4060SH include: 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.
Parametrics
ACT4060SH absolute maximum ratings: (1)IN Supply Voltage: -0.3 to 25 V; (2)SW Voltage: -1 to VIN + 1 V; (3)BS Voltage: VSW - 0.3 to VSW + 8 V; (4)EN, FB, COMP Voltage: -0.3 to 6 V; (5)Continuous SW Current: Internally Limited A; (6)Junction to Ambient Thermal Resistance (θJA): 105 ℃/W; (7)Maximum Power Dissipation: 0.76 W; (8)Operating Junction Temperature: -40 to 150 ℃; (9)Storage Temperature: -55 to 150 ℃; (10)Lead Temperature (Soldering, 10 sec): 300 ℃.
Features
ACT4060SH features: (1)2A Output Current; (2)Up to 95% Efficiency; (3)4.75V to 20V Input Range; (4)8μA Shutdown Supply Current; (5)420kHz Switching Frequency; (6)Adjustable Output Voltage; (7)Cycle-by-Cycle Current Limit Protection; (8)Thermal Shutdown Protection; (9)Frequency FoldBack at Short Circuit; (10)Stability with Wide Range of Capacitors, Including Low ESR Ceramic Capacitors; (11)SOP-8 Package.
Diagrams
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