Power supply circuit

Details Power supply circuit Power supply circuit

H - Electricity

02

M

H02M 7/217 (2006.01) H02M 3/28 (2006.01) H02M 3/335 (2006.01)

Patent

CA 2112724

Abstract: Power supply circuit. Switched-mode power supplies in which a series arrangement of a bipolar transistor and a MOS field effect transistor is used are known and referred to as cascode circuits. In these circuits the bipolar transistor is switched (with the MOS field effect transistor) via the emitter instead of with the base. Since the collector current of the bipolar transistor may vary over a large range, the base should be proportionally driven to prevent the bipolar transistor from getting either above or below its normal operating range. By making use of an extra winding on a transformer arranged in series with the cascode circuit, a non-dissipative proportional drive of the base of the bipolar transistor is obtained. The extra winding is coupled to the base via an inductance. Fig. 1.

Affiliated with

Also associated with

Rating

Power supply circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Power supply circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power supply circuit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1596308