MAX20029ATIA/V+

MAX20029ATIA/V+ is an automotive low-voltage step down DC-DC converter. This power-management IC (PMIC) integrates four low-voltage, high-efficiency, step-down DC-DC converters. The PMIC operates from 3.0V to 5.5V, making it ideal for automotive point-of load and post-regulation applications. It features fixed-frequency PWM-mode operation with a switching frequency of 2.2MHz. High-frequency operation allows for an all-ceramic capacitor design and small-size external components. The low-resistance onchip switches ensure high efficiency at heavy loads while minimizing critical inductances, making the layout a much simpler task with respect to discrete solutions. Internal current sensing and loop compensation reduce board space and system cost. It provides individual enable inputs and power good/ reset outputs, as well as factory-programmable PG times. It offers a SYNC input to synchronize to an external clock. Typical applications are automotive, industrial.

• Quad step-down DC-DC converters with integrated FETs
• Operate from 3.0V to 5.5V supply voltage
• 2.2MHz switching frequency
• Designed to improve automotive EMI performance, forced-PWM operation
• Two channels 180° out-of-phase, SYNC input
• Soft-start and supply sequencing reduces inrush current
• Individual enable inputs and power-good outputs simplify sequencing
• OV input-voltage monitoring, overtemperature and short-circuit protection
• Operating temperature range from -40°C to +125°C
• 28-pin TQFN-EP package

警告

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附註

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