Maxim Integrated MAXM17552 Compact Step-Down Power Module

Maxim Integrated MAXM17552 Compact Step-Down Power Module

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Maxim MAXM17552 Compact Step-Down Power Modules are part of the Himalaya series of voltage regulator ICs that offer cooler, smaller, and simpler power-supply solutions. The high efficiency, synchronous, step-down MAXM17552 DC-DC power module consists of an integrated controller, MOSFETs, compensation components, and inductor.

The device operates over a wide input voltage range of 4V to 60V and delivers up to 100mA output current. This is over a programmable output voltage from 0.9V to 5.5V. With a true “plug and play” power supply solution, the MAXM17552 significantly reduces design complexity and manufacturing risks, decreasing the time-to-market. A peak-current-mode control architecture is enabled on the module, as well as a soft-start feature including the default soft-start time of 5.1ms. The MAXM17552 features ±1.75% feedback-voltage accuracy, and a fixed-frequency PWM in a low profile 10-pin 2.6mm x 3mm x 1.5mm µSLIC™ package.

MAXM17552 Typical Application Circuit

Features

  • Ease-of-Use
    • Wide 4V to 60V Input
    • Adjustable 0.9V to 5.5V Output
    • ±1.75% Feedback-Voltage Accuracy
    • Up to 100mA Output Current Capability
    • Internally Compensated
    • All Ceramic Capacitors
  • High Efficiency
    • Fixed-Frequency PWM
    • Pulse Frequency Modulation (PFM) Mode to Enhance Light-Load Efficiency
    • Shutdown Current as Low as 1.2µA (typ)
  • Flexible Design
    • Programmable Soft-Start and Prebias Startup
    • Open-Drain Power Good Output (Active-Low RESET Pin)
    • Programmable EN/UVLO Threshold
  • Robust Operation
    • Hiccup Overcurrent Protection
    • Overtemperature Protection
    • -40°C to +125°C Ambient OperatingTemperature/ -40°C to +150°C Junction Temperature
  • Rugged
    • Complies with CISPR22 (EN55022) Class B Conducted and Radiated Emissions
    • Passes Drop, Shock, and Vibration Standards – JESD22 -B103, B104, B111

Maxim Integrated MAXM17552EVKIT Evaluation Kit: Designed to evaluate the e MAXM17552 an ultra-small, high efficiency, DC-DC switching power module.

Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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