POWER SUPPLY MODULE,ELECTRONIC DEVICE INCLUDING THE SAME AND POWER SUPPLY METHOD
First Claim
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1. A power supply module to be used with an electronic device, the power supply module comprising:
- a low-dropout (LDO) voltage regulator to adjust an input signal received from a battery and output a stabilized output signal; and
an external load calculation circuit to calculate an external load value at a power output node of the LDO voltage regulator and stabilize the output signal based on the external load value.
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Abstract
A power supply module and a power supply method corresponding to an electronic device. The power supply module includes a low-dropout (LDO) voltage regulator to adjust an input signal received from a battery and output a stabilized output signal, and an external load calculation circuit to calculate an external load value at a power output node of the LDO voltage regulator and stabilize the output signal based on the external load value.
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Citations
20 Claims
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1. A power supply module to be used with an electronic device, the power supply module comprising:
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a low-dropout (LDO) voltage regulator to adjust an input signal received from a battery and output a stabilized output signal; and an external load calculation circuit to calculate an external load value at a power output node of the LDO voltage regulator and stabilize the output signal based on the external load value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A power supply method, comprising:
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outputting to a low-dropout (LDO) voltage regulator a stabilizing signal based on an external load value of a power output node of the LDO voltage regulator; and optimizing a phase margin of the LDO voltage regulator by adjusting a signal input from a battery based on the received stabilizing signal. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A power supply module, comprising:
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a low-dropout (LDO) voltage regulator to optimize a phase margin thereof by adjusting a signal input from a battery; and an external load calculation circuit to output to the LDO voltage regulator a stabilizing signal based on an external load value of a power output node of the LDO voltage regulator to perform the phase margin optimization. - View Dependent Claims (17, 18, 19, 20)
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Specification