Title:
SWITCHABLE VOLTAGE GENERATOR AND OPERATIONAL AMPLIFIER
Document Type and Number:
Japanese Patent JP3301780
Kind Code:
B2
Abstract:
PURPOSE: To obtain a voltage generator system which improves disadvantage of conventional technology by eliminating an 'open loop' operational amplifier which has been needed for the conventional technology.
CONSTITUTION: The voltage generator system has a power-down circuit 20 which operates in current control mode or voltage control mode and is connected to the operational amplifier 22 so as to power down the operational amplifier 22 when the mode is switched to the current control mode.
More Like This:
| JPH0736211 | [Name of device] Power switch circuit |
| JP2022114045 | SEMICONDUCTOR DEVICE |
Inventors:
Way-Chan Soo
Chin De Nguyen
Fred Toon-Jen Chang
Chin De Nguyen
Fred Toon-Jen Chang
Application Number:
JP14014892A
Publication Date:
July 15, 2002
Filing Date:
April 30, 1992
Export Citation:
Assignee:
Winbond Electronics North America Corporation
International Classes:
G05F1/56; G05F1/575; G06G7/12; H03F3/45; G05F1/00; (IPC1-7): G05F1/00; G05F1/56; G06G7/12
Other References:
【文献】米国特許4814688(US,A)
【文献】米国特許4783602(US,A)
【文献】米国特許4816740(US,A)
【文献】欧州特許出願公開326968(EP,A1)
【文献】欧州特許出願公開19095(EP,A1)
【文献】米国特許4783602(US,A)
【文献】米国特許4816740(US,A)
【文献】欧州特許出願公開326968(EP,A1)
【文献】欧州特許出願公開19095(EP,A1)
Attorney, Agent or Firm:
Youichi Ohshima