Integrated circuit with power gating function
First Claim
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1. An integrated circuit, comprising:
- a first low dropout regulator coupled to and providing power to a first power line; and
a second low dropout regulator coupled to and providing power to a second power line based on a mode signal.
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Abstract
An integrated circuit with power gating function is disclosed, comprising a low dropout regulator coupled to a first power line to provide power to the first power line, a switch module connected between a second power line and a voltage source, turned on and off based on a mode signal to determine whether the voltage source provides power to the second power line, and an equalizer connected between the first and second power lines, activated with the switch module based on the mode signal to equalize the voltage of the second power line to that of the first power line when the mode signal permits the voltage source to provide power to the second power line.
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Citations
16 Claims
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1. An integrated circuit, comprising:
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a first low dropout regulator coupled to and providing power to a first power line; and
a second low dropout regulator coupled to and providing power to a second power line based on a mode signal. - View Dependent Claims (2, 3, 4, 5)
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6. An integrated circuit, comprising:
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a low dropout regulator coupled to a first power line to provide power to the first power line;
a switch module connected between a first power line and a voltage source, turned on and off based on a mode signal to determine whether the voltage source provides electric power to the second power line; and
an equalizer connected between the first and second power lines, activated with the switch module based on a mode signal, to equalize the voltage of the second power line with that of the first power line when the voltage source provides power to the second power line. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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Specification