MAX16956AUBE/V+T

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The MAX16956AUBE/V+T is a Voltage-Mode Step-Down Switching Regulator that provides high-efficiency DC-DC conversion. This device combines a high-performance buck controller with a low-cost external power stage, allowing for superior load regulation and accurate step-down regulation with minimal external components. It also features protection features such as thermal shutdown, under voltage lockout (UVLO), and foldback current limit for enhanced protection. The device is also easy to use with a wide input voltage range and fast transient response, enabling users to quickly and efficiently implement their designs.

The MAX16956AUBE/V+T is targeted for power management applications including point-of-load (POL) supplies. It can convert an input voltage up to 30V and deliver an output voltage as low as 0.6V with up to 1A of output current. The device enables efficiencies up to 96%, depending on occupancy, input voltage, and output voltage. The device also features low quiescent current and a low-noise PWM operation.

The MAX16956AUBE/V+T works by monitoring the programmable feedback voltage via an external voltage divider. This voltage is compared to an internal reference voltage. A current error amplifier is used to control an external N-channel MOSFET (power switch). The switching frequency of the device is fixed internally at 500kHz or can be adjusted externally with a resistor.

The device includes an adjustable soft-start. During startup, the load will be ramped up from zero to its programmed level. This prevents inrush current from exceeding the maximum allowable. The MAX16956AUBE/V+T also includes an adjustable and disablable gain compensation to reduce output ripple voltage. In addition, the device provides a Power Good output to indicate that the output voltage is within the specified operating range. This can be used to delay the start of downstream circuits until the regulated output voltage is present.

The MAX16956AUBE/V+T is offered in a space-saving 20-pin TQFN package and is available in standard 3.3V and 5V versions. The device can be used in a wide range of applications such as communications, industrial control, medical and consumer applications.

In summary, the MAX16956AUBE/V+T is a Voltage-Mode Step-Down Switching Regulator that offers high-efficiency and accurate step-down regulation with minimal external components. It features integrated protection features and offers an adjustable soft-start and adjustable and disablable gain compensation. The device offers a Power Good output to indicate that the output voltage is within the specified operating range, enabling fast and efficient implementation of designs.

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