Title:
SEMICONDUCTOR DEVICE AND VOLTAGE CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2021/229935
Kind Code:
A1
Abstract:
Provided is a semiconductor device with which it is possible to speedily stabilize a generated voltage. A semiconductor device is provided with: an error amplifier (AMP1) for generating an error voltage corresponding to the difference between an output voltage (VH) and a reference voltage (VREFH); a gate to which the error voltage is supplied; a drive transistor (MP11) having a source or a drain to which the output voltage (VH) is outputted; a first switch (MP13) that, upon entering an ON state, adjusts the gate voltage of the drive transistor (MP11) so as to change the state of the drive transistor (MP11) towards an OFF state; a load circuit to which the output voltage (VH) is supplied; and a control unit for controlling the operation sequence of the load circuit, and putting the first switch (MP13) in an ON state during a first period including the timing at which the load of the load circuit changes.
Inventors:
NISHINO RIICHI (JP)
MORI YOTARO (JP)
MORI YOTARO (JP)
Application Number:
PCT/JP2021/013254
Publication Date:
November 18, 2021
Filing Date:
March 29, 2021
Export Citation:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORP (JP)
International Classes:
G05F1/56
Foreign References:
| JP2019053728A | 2019-04-04 | |||
| JP2019164800A | 2019-09-26 | |||
| JP2015127902A | 2015-07-09 |
Attorney, Agent or Firm:
TSUBASA PATENT PROFESSIONAL CORPORATION (JP)
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