MAX15004BAUE/V+

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The MAX15004BAUE/V+ is a step-down switching controller that is capable of delivering up to 10A of output current and is packaged in a high speed, 3mm x 3mm TDFN. The device combines a Constant Off-Time control architecture which allows the device to operate over a wide input supply voltage of 2.5 V to 36 V. It also includes an onboard gate driver that provides quick turn-on and low turn-off times.

The MAX15004BAUE/V+ has been developed to provide reliable and cost-effective voltage regulation solution in LED lighting, battery-powered applications, automotive electronics and tablet system applications. Its features include input under-voltage lockout, adjustable low-side voltage limit, soft start and power good outputs, power-saving sleep mode,clock synchronization of multiple outputs, pulse-skipping mode, adjustable soft-start delay and adjustable current limit.

Application Field

The MAX15004BAUE/V+ is ideally suited for use in a wide range of portable applications such as consumer electronics, handheld devices, medical instruments, instrumentation, battery powered products and consumer electronics like portable games and cell phones. It is also suitable for automotive applications like audio amplifiers, motor control, GPS and navigation systems and lighting controls. The device is widely used in many consumer and industrial applications because of its high efficiency, wide input voltage range, wide temperature range and its low quiescent current.

Working Principle

The MAX15004BAUE/V+ is a step-down switching controller that operates from an input voltage of 2.5 V to 36 V and can deliver up to 10A of output current. It is a high-speed, low power, current-mode pulse-width modulated (PWM) regulator providing high efficiency, wide input voltage range, wide temperature range, and a low quiescent current mode. It uses an internal oscillator and synchronizes to an external clock signal, which can be synchronized with other regulators in a single power supply design. It works on the principles of pulse-width modulation (PWM) and utilizes a low-side current sense resistor to sense the inductor current.

The MAX15004BAUE/V+ also has an internal feedback loop. The output voltage is regulated by comparing the voltage from the feedback pin to a reference voltage derived from an internal reference diode. Its Internal gate driver consists of a low-side gate driver, an open-drain gate disable pin, and an under-voltage (UVP) pin. It also features adjustable soft start, adjustable idle current and a power-saving sleep mode.

The MAX15004BAUE/V+ is designed for reliable and cost effective voltage regulation and provides protection against over-current and over-temperature. Its features include input under-voltage lockout,adjustable low-side voltage limit, power-saving sleep mode, timer soft start, adjustable soft-start delay, adjustable current limit, clock synchronization of multiple outputs, and pulse-skipping mode.

The MAX15004BAUE/V+ is a highly reliable, cost-effective and efficient switch controller solution and is capable of providing robust quality of power, longer battery life and lower system power consumption.

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