Patent ID: 6292048
Filing Date: 2001-09-18
Classification: H02M

Abstract:
A charge pump stage circuit comprising:a first transistor comprising a first terminal, a second terminal, and a third terminal;a first capacitor comprising a first terminal coupled to a first clock source and a second terminal coupled to said third terminal of said first transistor;a second capacitor comprising a first terminal coupled to a second clock source and a second terminal coupled to said second terminal of said first transistor;a first diode comprising an input terminal coupled to said first terminal of said first transistor and an output terminal coupled to said second terminal of said first transistor; anda second diode comprising a control terminal coupled to a control device, an input terminal coupled to said second terminal of said first transistor, and an output terminal coupled to said first terminal of said first transistor;wherein said control device is a second transistor comprising a first terminal coupled to said second terminal of said first transistor, a second terminal coupled to said third terminal of said first transistor, and a third terminal coupled to said control terminal of said second diode, said control device controlling operation of said second diode.