MAX865EUA+

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The MAX865EUA+ is a highly efficient DC/DC converter with active voltage positioning (AVP™) for high-performance applications. This switch mode power supply regulator incorporates off-line startup and a continuous mode of operation for near-zero noise performance. It also features a wide input voltage range and programmable switching frequency. The MAX865EUA+ provides high-performance DC output in a small package, with a footprint of only 8.5 x 3.5mm. This makes it an ideal choice for applications requiring high power in a small form factor, such as cellular phones and portable electronic devices.

The MAX865EUA+ can be used to power both positive and negative voltages across a wide range of applications. It features adjustable output current, slew rate, and current limit so the supply can be easily configured for the specific needs of any application. The MAX865EUA+’s high efficiency, combined with its small size, makes it well-suited for applications in on-board, off-board and distributed power systems. The MAX865EUA+ is compliant to the RoHS standards and offers very low EMI for reduced noise pollution.

The MAX865EUA+ contains a six-pin synchronous rectifier, one MOSFET switch and a low-dropout control circuit. The device works by utilizing an on/off control circuit in a synchronous rectifier configuration to regulate the output voltage. To operate, high frequency pulses of current are generated by the high-side and low-side MOSFET switches. These current pulses follow the output voltage, and the AVP sensing circuitry adjusts the duration of the current pulses in order to ensure that the desired output voltage is maintained. The MAX865EUA+ also features programmable dead-time control to ensure smooth transitions between the on and off states of the synchronous rectifier.

The MAX865EUA+ is a highly efficient, low-noise solution for a number of DC/DC converter applications. Its high efficiency and small size make it ideal for portable and embedded power systems. Its wide input voltage range and programmable switching frequency enable it to be configured for nearly any application. Its AVP sensing circuitry and programmable dead-time control ensure that the output voltage is always accurately maintained.

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