MAX15157DATJ+

60V current-mode buck controller with lossless current sense. The MAX15157D implements a single-phase, PWM valley current-mode controller and drives two external power MOSFETs in a buck configuration. The output voltage can be dynamically set through the 1V to 2.2V reference input (REFIN) for modular design support. It features an adjustable internal compensation ramp. The device incorporates an accurate current-sense amplifier that reports output current through an analogue output (IMON). Suitable for datacentre, industrial, automotive and multiphase buck applications.

• Wide operating range reduces development time
• Integration reduces design footprint, internal LDO for bias supply generation
• Synchronization input, current monitor output and accurate MOSFET dead time adaptive control
• Robust fault protection improves quality and simplifies system design
• Features adjustable input undervoltage lockout, adjustable input EN and thermal shutdown
• Features adjustable cycle-by-cycle overcurrent protection, input undervoltage fault protection
• Multiple levels of overvoltage protection
• Flexible, simple system design, adjustable slope compensation
• Discrete inductor or compact coupled inductor architecture

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