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                                      SY21133 - High Efficiency Fast Response, 3A, 23V Input Sync Buck

                                      Features

                                      ·       Low RDS(ON) for Internal Switches (Top/Bottom): 120/85m?

                                      ·       4.5-23V Input Voltage Range

                                      ·       Instant PWM Architecture to Achieve Fast Transient Responses

                                      ·       Programmable Soft-Start Limits the Inrush Current

                                      ·       Pseudo-Constant Frequency: 500khz

                                      ·      3AOutput Current Capability

                                      ·       ±1.5% 0.6V Reference

                                      ·       Hic-Cup Mode Output Short Circuit Protection

                                      ·       Rohs Compliant and Halogen Free

                                      ·       Compact Package: DFN3x3-10

                                      Typical Application

                                      Description


                                      SY21133 develops a high efficiency synchronous step down DC/DC converter capable of delivering 3A output current. SY21133 operates over a wide input voltage range from 4.5V to 23V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.


                                      SY21133 adopts the instant PWM architecture to achieve fast transient responses for high step down applications and high efficiency at light loads. In addition, it operates at pseudo-constant frequency of 500kHz under continuous conduction mode to minimize the size of inductor and capacitor.



                                      Applications

                                      ·       Set Top Box

                                      ·       Portable TV

                                      ·       Access Point Router

                                      ·       DSL Modem

                                      ·       LCD TV



                                      湖北十一选五遗漏走势图

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                                                                                                          江西老时时杀号定胆 天津时时46分开奖 湖南快乐十分技巧出号规律 快乐十分前三组推荐号 内蒙古时时三星走势 重庆时时计划预警 广西快3走势图带连线 一肖中特兔 11选5万能码任7 广东快乐10分走势分布图走势 北京pk号码 香港特马资料心水 赛车pk拾高手赌法冠亚和 重庆幸运农场走势图统计报表 2019福彩3d派奖时间 三中三的算法