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2024年1月25日发(作者:)
STEP-UP-AND-DOWN CHOPPER DC-DC CONVERTER
申请(专利)号:
JP2
专利号:
JP2007053883A
主分类号:
H02M3/155
申请权利人:
DENSO CORP
公开国代码:
JP
优先权国家:
JP
摘 要:
PROBLEM TO BE SOLVED: To provide a
step-up-and-down chopper DC-DC
converter that can output power quickly
on starting with simple
control.;SOLUTION: A voltage of stored
electricity of an output smoothing
capacitor 55 is increased gradually by the
simultaneous on-off control of transistors
T1, Q2 of a step-up-and-down chopper
circuit 51 until the output voltage Vout of
the chopper circuit 51 becomes smaller
by a predetermined value ΔV
than a low threshold value V1 for starting
a through-mode. When the output voltage
Vout reaches the low threshold value V1
for starting the through-mode, the
chopper circuit is shifted immediately to
one of the through-mode, a step-up
mode, and a step-down
mode.;COPYRIGHT:
(C)2007,JPO&INPIT
主权项:
申请日:
2005-08-19
公开公告日:
2007-03-01
分类号:
H02M3/155
发明设计人:
NAKAMURA
KIMIKAZU;
YAMASHITA
TAKESHI
申请国代码:
JP
优先权:
20050819 JP
2005238982
摘 要 附 图:
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