Innovative regulation characteristics in multiple supply voltages

A regulator, comprising:

• a plurality of regulator circuits for coupling to a microelectronics device to provide a plurality of regulated input voltages to said microelectronics device, the plurality of regulated input voltages being maintained within an input voltage range bounded at an upper limit by a first reliability voltage value, the first reliability voltage value determined by multiplying a first one of the plurality of regulated input voltages by the sum of one and a tolerance level, wherein each regulator circuit provides a particular one of said plurality of regulated input voltages to said microelectronics device,
• wherein each said regulator circuit further includes:
• a controller including a comparator and a threshold detector, an input of said comparator being coupled to the output of said threshold detector,
• a switch coupled to said controller and operating in response to a signal provided by said controller, said switch connected to an inductor, a diode, and an output capacitor arranged in a network that produces a load current in response to an input source voltage received via said switch, and
• a current sense feedback network connected to said network output and having a gain factor, said feedback network coupled to said threshold detector to cause said threshold detector to produce an output signal as a product of said gain factor,
• the controller being configured to produce one of said plurality of regulated input voltages by varying the duty cycle of said switch in accordance with a voltage current loadline,
• and to maintain said one of said plurality of regulated input voltages within an input voltage range bounded at a lower limit, and
• the lower limit for said one of said plurality of regulated input voltages being computed by said controller in order to maintain said one of said plurality of regulated input voltages in accordance with said voltage-current loadline of said one of said plurality of regulated input voltages for different values of said load current.

An electronic system, comprising:

• a microelectronics device having at least two input voltage required values to receive at least two input supply voltages;
• a regulator coupled to said microelectronics device;
• and
• a power source coupled to said regulator,
• wherein said regulator is configured to produce said at least two supply voltages within an input voltage range bounded by an upper limit and a lower limit,
• said upper limit of each of said at least two input supply voltages is a first reliability voltage value, said first reliability voltage value is determined by multiplying one plus a tolerance level by a first input voltage required value, and
• said lower limit of at least one of said at least two input supply voltages is determined by one minus a tolerance level multiplied by each of said at least two input supply voltage required values.

A regulating method, comprising:

• supplying multiple input voltages to one or more microelectronics devices, each of said multiple input voltages including a corresponding input voltage required value;
• determining an upper limit of the voltage regulation range for all of said multiple input voltages by multiplying a first corresponding input voltage required value by a sum of one plus a tolerance level;
• determining a lower limit of a voltage regulation range for said multiple input voltages by a gain factor in accordance with a corresponding voltage-current loadline;
• and
• maintaining each of said multiple input voltages supplied to said microelectronics devices above said lower limit of said voltage regulation range and under said first reliability voltage.