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 ISOBCD20 process for operation with input voltages up to 20V. The ACT4060SH is widely used in TFT LCD monitors, portable DVDs and so on.
Parametrics
ACT4060SH 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: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.
Diagrams
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