An adaptive duty cycle limiting circuit is used with a switching DC-to-DC converter for preventing the duty cycle entering a region of operation having negative gain. The adaptive duty cycle limiting circuit includes a duty cycle ramp signal generator, a voltage source for providing a voltage having a fractional value of an input voltage source, and a comparator that compares the duty cycle ramp signal with the fractional value of the input voltage source. When the voltage level of the duty cycle ramp signal is less than the fractional value of the voltage source, a cycle limit signal is activated and communicated to a switching control circuit to adjust the duty cycle of the switching DC-to-DC converter to prevent the duty cycle entering the region of operation where the gain of the switching DC-to-DC converter becomes negative.

An adaptive duty cycle limiting circuit is used with a switching DC-to-DC converter for preventing the duty cycle entering a region of operation having negative gain. The adaptive duty cycle limiting circuit includes a duty cycle ramp signal generator, a voltage source for providing a voltage having a fractional value of an input voltage source, and a comparator that compares the duty cycle ramp signal with the fractional value of the input voltage source. When the voltage level of the duty cycle ramp signal is less than the fractional value of the voltage source, a cycle limit signal is activated and communicated to a switching control circuit to adjust the duty cycle of the switching DC-to-DC converter to prevent the duty cycle entering the region of operation where the gain of the switching DC-to-DC converter becomes negative.

A control circuit is configured to be used as part of a switched capacitor converter, which includes a plurality of switch elements and at least one capacitor, and is configured to generate a second voltage from a first voltage. The control circuit includes a mode switching circuit configured to switch between a first mode and a second mode. The first mode is a mode in which switching control of the plurality of switch elements is stopped to set the second voltage to a voltage value that can be regarded as the same as the first voltage. The second mode is a mode in which the plurality of switch elements is switching-controlled to set the second voltage to a voltage value lower than the first voltage.

A control circuit is configured to be used as part of a switched capacitor converter, which includes a plurality of switch elements and at least one capacitor, and is configured to generate a second voltage from a first voltage. The control circuit includes a mode switching circuit configured to switch between a first mode and a second mode. The first mode is a mode in which switching control of the plurality of switch elements is stopped to set the second voltage to a voltage value that can be regarded as the same as the first voltage. The second mode is a mode in which the plurality of switch elements is switching-controlled to set the second voltage to a voltage value lower than the first voltage.

An integrated circuit assembly comprises a plurality of die connection points configured to couple to an integrated circuit die, and a plurality of external connection points configured to couple to external circuitry. A metal power signal trace and a metal ground signal trace are each coupled to at least a respective one of the plurality of die connection points to provide electrical power to the integrated circuit. A first metal-insulator-metal capacitor comprises a plurality of first extensions interleaved with a plurality of extensions of the metal power signal trace and is separated from the plurality of extensions of the metal power signal trace by an insulator. A second metal-insulator-metal capacitor comprises a plurality of second extensions interleaved with a plurality of extensions of the metal ground trace and is also separated from the plurality of extensions of the metal ground trace by an insulator.

An integrated circuit assembly comprises a plurality of die connection points configured to couple to an integrated circuit die, and a plurality of external connection points configured to couple to external circuitry. A metal power signal trace and a metal ground signal trace are each coupled to at least a respective one of the plurality of die connection points to provide electrical power to the integrated circuit. A first metal-insulator-metal capacitor comprises a plurality of first extensions interleaved with a plurality of extensions of the metal power signal trace and is separated from the plurality of extensions of the metal power signal trace by an insulator. A second metal-insulator-metal capacitor comprises a plurality of second extensions interleaved with a plurality of extensions of the metal ground trace and is also separated from the plurality of extensions of the metal ground trace by an insulator.