Multi-output power supply and electronic device using them

Details Multi-output power supply and electronic device using them Multi-output power supply and electronic device using them

2006-07-25

2006-07-25

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

Reexamination Certificate

active

07081741

ABSTRACT:
For controlling DC-DC converters conforming to voltage mode control system and current mode control system, in multi-output power supply, first converter section2is configured that first detection circuit31outputs first control signal, that first oscillation circuit32outputs first triangular wave signal and clock signal, and that first pulse-width modulation circuit33drives first switch by comparing first control signal with first triangular wave signal. Second converter section4is configured that second detection circuit34outputs second control signal, that second oscillation circuit35outputs second triangular wave signal synchronized with clock signal, that current detection circuit36outputs current signal of second inductor, and that second pulse-width modulation circuit37turns ON second switch in synchronization with clock signal and turns OFF second switch by calculating or comparing second control signal, the second triangular wave signal and current signal.

REFERENCES:
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patent: 6864670 (2005-03-01), Ouyang et al.
patent: 6903535 (2005-06-01), Liu et al.
patent: 6946820 (2005-09-01), Ishii et al.
patent: 8-11055 (1996-03-01), None

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