Features: ` 2A Output Current` Up to 95% Efficiency` 4.75V to 20V Input Range` 8A Shutdown Supply Current` 420kHz Switching Frequency` Adjustable Output Voltage` Cycle-by-Cycle Current Limit Protection` Thermal Shutdown Protection` Frequency FoldBack at Short Circuit` Stability with Wide...
ACT4060: Features: ` 2A Output Current` Up to 95% Efficiency` 4.75V to 20V Input Range` 8A Shutdown Supply Current` 420kHz Switching Frequency` Adjustable Output Voltage` Cycle-by-Cycle Current Limit ...
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PARAMETER | VALUE | UNIT |
IN Supply Voltage | -0.3 to 25 | V |
SW Voltage | -1 to VIN + 1 | V |
BS Voltage | VSW - 0.3 to VSW + 8 | V |
EN, FB, COMP Voltage | -0.3 to 6 | V |
Continuous SW Current | Internally Limite | A |
Junction to Ambient Thermal Resistance (JA) | 105 | °C/W |
Maximum Power Dissipation | 0.76 | W |
Operating Junction Temperature | -40 to 150 | °C |
Storage Temperature | -55 to 150 | °C |
Lead Temperature (Soldering, 10 sec) | 300 | °C |
The ACT4060 is a current-mode step-down DC/DC converter that generates up to 2A of output current at 420kHz switching frequency. The device utilizes Active-Semi's proprietary ISOBCD20 process for operation with input voltages up to 20V.
Consuming only 8A in shutdown mode, the ACT4060 is highly efficient with peak operating efficiency at 95%. Protection features include cycle-bycycle current limit, thermal shutdown, and frequency foldback at short circuit.
The ACT4060 is available in a SOP-8 package and requires very few external devices for operation.