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The uP6636Q includes 4 synchronous-rectified buck converters and 9 linear regulators. With internal low
RDS(ON) switches, the buck converter is capable of delivering 1.5A or 2.8A output current over a wide input
voltage range from 2.7V to 5.5V. Fixed 2.25MHz PWM operation allows possible smallest output ripple and
external component size. Dynamic Voltage Scaling (DVS) is supported either by dedicated control pins, or through I2C interface to optimize the system performance for the processor. Other features include internal soft-start, overtemperature, and over-current protections.

The power sequence and reset controller provides poweron reset, software initiated reset, and power cycle reset for the processor. It also features the watchdog supervisory function. Multiple sleep modes with autonomous sleep and wake-up sequence control are supported.

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