Invention Grant
- Patent Title: Power supply device
-
Application No.: US16015405Application Date: 2018-06-22
-
Publication No.: US10554118B2Publication Date: 2020-02-04
- Inventor: Kyoji Marumoto , Akeyuki Komatsu
- Applicant: Rohm Co., Ltd.
- Applicant Address: JP Kyoto
- Assignee: Rohm Co., Ltd.
- Current Assignee: Rohm Co., Ltd.
- Current Assignee Address: JP Kyoto
- Agency: Fish & Richardson P.C.
- Priority: JP2017-122183 20170622; JP2018-116962 20180620
- Main IPC: H02M1/42
- IPC: H02M1/42 ; H02M1/14 ; H02M7/06

Abstract:
A power supply device has a switch and a coil connected in series with alternating-current input power. A first rectifier connected across the coil performs boost rectification, and a voltage across an output smoothing capacitor is charged to obtain output power.
Public/Granted literature
- US20180375422A1 POWER SUPPLY DEVICE Public/Granted day:2018-12-27
Information query