The MAX15050 and MAX15051 are compact, low-voltage DC-DC regulators from Maxim Integrated, designed for high-efficiency power management in a wide range of applications. These 4A synchronous buck converters operate within a voltage range of 2.9V to 5.5V and come in a 2mm x 2mm wafer-level package (WLP), making them ideal for space-constrained designs. The integrated MOSFETs significantly simplify the overall design, reduce electromagnetic interference (EMI), and minimize the required board space.
Operating at a fixed 1MHz switching frequency, these devices allow for the use of all-ceramic capacitors, which further reduces the solution size and enhances performance. With a peak efficiency of up to 96%, they help lower power consumption in both portable and networked systems. This makes them particularly suitable for applications such as laptops, mobile devices, and industrial equipment where efficiency is critical.
The MAX15050 features skip-pulse mode operation, which optimizes efficiency under light-load conditions—making it an excellent choice for battery-powered devices like laptops and single-cell systems. On the other hand, the MAX15051 operates in forced PWM mode, ensuring stable performance in high-demand environments such as telecom, networking, and base station equipment.
Both devices offer a variety of essential features, including an enable input and power-good signal for proper power sequencing, an adjustable soft-start function for smooth startup, and a safe start-up feature that handles pre-biased outputs. They also provide ±1% output voltage accuracy across the full load, supply, and temperature range, ensuring reliable performance in demanding conditions.
These regulators are designed to operate over an extended temperature range of -40°C to +85°C, making them suitable for a wide range of industrial and commercial applications. Whether you're working on a portable device or a high-performance system, the MAX15050/MAX15051 deliver exceptional efficiency, reliability, and flexibility.
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