90W开关电源设计资料

90W Adapter Module Using OB2203AD19V4.73A2203.01 © On-Bright Electronics Confidential OB_DOC_DBM_A _0301 -1- Subject OB2203 Demo Board Manual Board Model: AD19V4.73A2203.01 Doc. No.: OB_DOC_DBM_A_0301 Key features: z PFC is shut down when system goes to standby z Standby power less than 0.28W under 264VAC no load z High efficiency more than 87.36% under normal line with full load z OCP with line compensation z Programmable soft start z Precise OVP z Meet EN55022 EMI Revision History Revise Date Version Reason/Issue 2007-10-29 00 First issue 2007-12-14 01 CY1,CY2 rejigger 2.2nF/250V/Y2 On-Bright Confidential to 明 华 90W Adapter Module Using OB2203AD19V4.73A2203.01 © On-Bright Electronics Confidential OB_DOC_DBM_A _0301 -2- Contents Index 1. Adaptor Module Specification..................................................................................................... 4 1.1. Input Characteristics....................................................................................................................... 4 1.2. Output Characteristics .................................................................................................................... 4 1.3. Performance Specifications ............................................................................................................ 4 1.4. Protection Features......................................................................................................................... 4 1.5. Environments.................................................................................................................................. 4 2. Adaptor Module Information........................................................................................................ 5 2.1. Schematic ........................................................................................