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XCV100-5BGG256C 北京显易科技小毕 010-51987309 QQ:2386681966

时间:2015-1-15,阅读:399,发布企业:北京显易科技有限公司, 资讯类别:会员资讯
公司:
北京显易科技有限公司
联系人:
梁先生
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电话:
086-010-51986955
传真:
-010-51986915
QQ:
547156795 和我即时交谈
地址:
海淀区远大路20号姜杰钢琴城文化艺术大厦E座11C2-2

DIODES降压型转换器提升轻载效率

Diodes公司 (Diodes Incorporated) 推出采用了轻载效率改善算法的同步直流-直流降压型转换器AP6550及AP6540,两款产品分别提供4A和5A的连续负载电流,效率可高达96%。新器件的电流模式控制具有快速瞬态响应及简易的环路稳定能力,从而在分布式负载点功率管理应用内确保可靠的线性和负载调整率。

这些高度集成的转换器以500kHz和750kHz的较高固定开关频率工作,可通过尽量减小外部电感及电容部件的尺寸,缩减电路占位面积。500kHz 的4A额定值AP65402与5A额定值AP65502能够在从0.925V到16V的输出电压范围内进行调节。750kHz的AP65403及AP65503则可在2.5V到 16V的较高输出电压范围内进行。

新转换器的宽广工作电压范围为4.75V到17V,适合5V和12V的总线系统设计,而且所有器件能够承受高达7V的瞬态峰值电压。这款产品采用行业标准带散热焊盘SO-8EP封装,并配备与整个产品系列相同的脚位。

为了提高电路的可靠性,这些降压型转换器集成了热关断、欠压闭锁、过压及电流限制等多种保护功能。新产品还包含电容编程软启动功能,以控制冲击电流和输出电压过冲。

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