MAX16990ATCD/V+

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The MAX16990ATCD/V+ is an integrated DC-DC switch mode power supply (SMPS) controller solution. It provides a complete solution for powering synchronous rectifiers, the primary and secondary cascading power switch, the power supply controller, and the voltage and temperature monitoring system. It is often used in applications that require high efficiency, low noise and reliable power supplies for mixed power conversion requirements.

The MAX16990ATCD/V+ features four integrated power switches and controllers as well as a dedicated gate driver for synchronous rectifiers. It is designed to drive low resistance MOSFETs with typical Rds(on) values of around 35mOhm. It also has a wide voltage range of up to 40V to give designers the flexibility to choose the right voltage for the application.

This device supports many advanced features such as programmable switching frequency, adjustable soft-start, adjustable switching frequency/duty cycle and cycle-by-cycle current limit protection. It also has an integrated voltage and temperature monitor built into the device to ensure accuracy, reliability and performance over time. This makes the MAX16990ATCD/V+ an ideal choice for applications such as energy-efficient computers, home appliances, and automotive systems.

The MAX16990ATCD/V+ uses a synchronous mode architecture that offers excellent efficiency and light-load regulation. This type of architecture is often used in applications such as portable devices, chargers and adapters that require high efficiency and dynamic adaptation to environmental conditions. The MAX16990ATCD/V+ features an advanced VID control loop to provide fast line and load transient response.

The MAX16990ATCD/V+ is also capable of active pulse generation for pre-bias applications. This makes it ideal for applications where the input voltage is low and must be stabilized before the main power rail is energized. The active pulse generation helps reduce stress on the main power switch resulting in higher efficiency, lower power losses and better system reliability.

To enable further optimization, the MAX16990ATCD/V+ features a wide operating range from 0V to 40V, a wide operating temperature range of -40°C to 105°C and a wide programmable soft-start time range of 0-128ms. This makes it ideal for applications such as high-current telecommunication systems and high-power DSPs, as it offers an extra degree of optimization. For extremely high-voltage applications, the MAX16990ATCD/V+ supports an optional ultra-high voltage enable (UHVE) pin to enable an internal voltage reference to provide a 100V operating range.

The MAX16990ATCD/V+ also features embedded protections such as cycle-by-cycle current limit, load disconnect, and internal thermal shutdown. This ensures safe and efficient operation of the device, reducing risk to the system and providing extra-strength protection.

In summary, the MAX16990ATCD/V+ is an integrated switched mode power supply (SMPS) controller solution with numerous features for powering synchronous rectifiers, high-efficiency power setting, voltage and temperature monitoring, and extensive protection features. It is suitable for applications such as energy-efficient computers, home appliances, and automotive systems. With an adjustable switching frequency, adjustable soft-start time, staggering of compensation settings, advanced VID control loop, and optional ultra-high voltage enable, it is an attractive solution for designers looking for a reliable and efficient power solution.

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