Invention Grant
- Patent Title: Switch mode power supply, control circuit and associated control method
- Patent Title (中): 开关电源，控制电路及相关控制方式
-
Application No.: US14139601Application Date: 2013-12-23
-
Publication No.: US09331583B2Publication Date: 2016-05-03
- Inventor: Junming Zhang , Hao Long , Hui Li
- Applicant: Chengdu Monolithic Power Systems Co., Ltd.
- Applicant Address: CN Chengdu
- Assignee: Chengdu Monolithic Power Systems Co., Ltd.
- Current Assignee: Chengdu Monolithic Power Systems Co., Ltd.
- Current Assignee Address: CN Chengdu
- Agency: Perkins Coie LLP
- Priority: CN201210567105 20121224
- Main IPC: H02M3/335
- IPC: H02M3/335 ; H02M1/00
Abstract:
A switch mode power supply having an output terminal configured to provide an output voltage, the switch mode power supply has a first switch and a control circuit. The control circuit is configured to provide a switching control signal to control the first switch. The control circuit is configured to provide the switching control signal based on a first pulse signal having a first frequency and a second frequency for a light load condition, and the control circuit is configured to provide the switching control signal based on a second pulse signal for a non-light load condition.
Public/Granted literature
- US20140177290A1 SWITCH MODE POWER SUPPLY, CONTROL CIRCUIT AND ASSOCIATED CONTROL METHOD Public/Granted day:2014-06-26
Information query
IPC分类:
