SDC602

Current Mode PWM Controller Datasheet SDC602 General Description Features SDC602 is a high-performance current mode control IC Tdesigned for AC/DC convertor, which supplies about continuous 5W output power at the universal AC input CONFIDENTIAL DOCUMENrangefrom85Vto265V.  Built-in high voltage power transistor of 700V  Cycle-by-cycle current limit  Very low power consumption under no load  Internal slope compensation and feedback compensation  Over load protection  Built-in high precise current limit with temperature compensation  Over temperature protection  Low startup and operating current  VCC over-voltage clamp  5W output power at the universal AC input range, 8W output power at AC input 220V  Package: DIP-8 Applications  Offline AC/DC flyback converter  Adaptor/Charger for cell and other portable Apparatus SDC DIP-8 Figure 1. Package Type December, 2013 Rev. 1.2 ©2013 Shaoxing Devechip Microelectronics Co., Ltd. 1/11 www.sdc-semi.com Current Mode PWM Controller Datasheet SDC602 Pin Configuration DOCUMENTPin Number 1 L2 IA3 4 T5 6 CONFIDEN7,8 OB 1 Package: DIP-8 8 OC NC 2 7 OC GND 3 6 NC FB 4 5 VCC Pin Name OB NC GND FB VCC NC OC Figure 2. Pin Configuration Function Startup current input, connecting to startup resistor No connection Ground Feedback pin Supply voltage No connection Output of HV transistor, connecting to primary wind of transformer Table 1. Pin Configuration SDC December, 2013 Rev. 1.2 ©2013 Shaoxing Devechip Microel...